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Understanding the Basics of HPHT Processing
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Sundance Process
Fancy color diamonds are becoming increasingly popular as consumers become more aware of their existence. However, while natural fancy color diamonds are attractive their price is not. Changing natural brown or cape color diamonds to fancy colors using the Sundance Process produces beautiful diamonds that are both profitable and affordable.
The high cost of natural fancy color diamonds makes it difficult for most retail jewelers to carry them. However, now retail jewelers have the opportunity to take advantage of the Sundance value proposition with the ability to have quick delivery diamonds that satisfy the broad range of your customers' needs and tastes.
Fancy colors can be created from two classes of Type I diamonds; browns and capes. Brown diamonds yield fancy, intense and vivid yellow colors. Sundance customers may also select from colors popular in the Orient such as apple green. Before processing, experts from Sundance Diamonds will analyze each diamond to determine its potential. Customers are then given what potential their diamonds have and are able to select within a desired color range depending on their customer base. Sundance Perfected Diamonds have a completely saturated color and exhibit a full, permanent, and brilliant color.
A comparison of the values of natural fancy color diamonds to HPHT processed fancy color diamonds illustrates the opportunity to market these stones at more attractive prices to a larger market while retaining good profit margin.
Sundance Process
Sundance Diamonds has perfected the processing of brown Type IIa diamonds into the colorless range. Sundance understands that colorless diamonds are the standard for the industry. These diamonds remain a rare commodity and the most significant portion of the industry. Now Sundance Diamonds has created a means to bring brown diamonds into the colorless range through HPHT processing.
Candidates for color improvement are termed as Type IIa, indicating that they have extremely low nitrogen content. It is this nitrogen that is commonly present in a diamond that often creates a yellow coloration that can be present in some diamonds. This same nitrogen is also responsible for creating natural and Sundance fancy intense yellow colors.
The brown diamond is generally believed to have a brown coloration due to some plastic deformation or stress in the diamond. The Sundance Process is able recreate some of the natural conditions found in the earth of high pressure and high temperature and subject the diamond to these conditions. This extreme condition allows the diamond to go to a more relaxed state-removing the stresses (brown coloration) from the diamond.
Type IIa diamonds however are quite rare in nature accounting for 3-5% of the run of the mine diamonds; although, some mines have a much higher percentage to Type IIa diamonds. In rough form, Type IIa diamonds exhibit certain traits that help them to be distinguished. Type IIa are often large crystals that are in a cleavage or long elongated crystals. These diamonds can also be identified by using ultraviolet light which passes through the diamond due to the lack of nitrogen.
Sundance Diamonds has worked with several laboratories in the identification of diamonds that have been Sundance Processed and we remain confident in their ability to detect HPHT processed diamonds.
Sundance Process
The Sundance Process uses a combination of High Pressure High Temperature (HPHT) processing and Sundance Diamonds' own proprietary advances to create the most beautiful processed diamonds in the world. At Sundance Diamonds we rely on the natural chemistry of each diamond to create its own natural color. Every diamond, before it's transformed, receives a detailed analysis, risk assessment and preparation. This attention to detail and the diligence of our ongoing research and development division give Sundance Diamonds the edge over its competition. The Sundance Process is designed to:
- Create More Beauty in Your Diamond
- Add Value to Your Diamond
- Provide Improved Margins
The Sundance Process permanently changes natural brown and cape diamonds to fancy intense yellow, orange, greenish-yellow, green, pink, and pinkish/purple colors. Within natural diamonds is found a variety of different elements that were trapped in the molecular structure during the diamond's natural cooling process. It is these natural impurities that cause the many different colors that exist in natural diamonds.
The Sundance Process recreates the high pressure and high temperature conditions that existed naturally within the mantel of the earth during the formation of the diamond to allow these different natural elements to relax and display their natural color. Nearly all diamonds have the potential to be improved through the Sundance Process. During the Sundance Process, nothing is artificially added or removed from the diamond. Sundance Diamonds are certified by all major gem labs.
Frequently Asked Questions
Q. Why should I have my diamond Sundance Processed?
Q. How long has Sundance Diamonds been providing this HPHT process?
Q. How was Sundance Diamonds created?
Q. What makes Sundance Processed Diamonds different then Synthetic Diamonds?
Q. Do we make or sale Synthetic Diamonds?
Q. For who does Sundance Diamonds process diamonds?
Q. What is HPHT processing?
Q. What is a Type I diamond?
Q. How rare are Type I diamonds?
Q. What is a Type II diamond?
Q. How rare are type II diamonds?
Q. What is the difference between a treatment and a process?
Q. Is the color permanent?
Q. How can I tell if my stone can be processed?
Q. Will I know what color to expect before processing?
Q. Is their any risk in HPHT processing?
Q. Will my diamond require repolishing after being HPHT processed?
Q. What will be the weight loss after repolishing?
Q. Can Sundance Diamonds repolish my diamond?
Q. Can I choose what color I would like to have?
Q. Can Sundance Diamonds guarantee my results?
Q. Who is responsible if there is some damage to my stone?
Q. How long does it take to process a stone?
Q. Are these diamonds certified?
Q. How will the certificate look for a stone that has been HPHT processed?
Q. Who should I send my diamond to for certification?
Q. How can I determine if my diamond has been HPHT processed?
Q. What size of diamond can be processed?
Q. How does Sundance Diamonds ensure disclosure of diamonds that have been HPHT processed?
Q. Why should I have my diamond Sundance Processed?
A. Sundance Diamonds is the world’s only professional HPHT processor. We add beauty and value to undesired diamonds.
Q. How long has Sundance Diamonds been providing this HPHT process?
A. Sundance Diamonds has been serving the diamond industry since 2002 with the latest technology and services found no where else in the world.
Q. How was Sundance Diamonds created?
A. Sundance Diamonds is a part of US Synthetic Corp., the world largest manufacturer of Polycrystalline Diamond Compacts (PDC) used in the oil and gas industry. As the worlds leader in PDC US Synthetic Corp. began to look for ways to expand use of its proprietary high pressure and high temperature technology. In the early 1980’s USS began experimenting with natural diamonds in order to change their color; however, it wasn’t until 2002 that USS began to seriously consider the diamond industry. At this time it became very apparent that the diamond industry needed a HPHT servicing company that provided the highest level of technology and service while standing firmly on the integrity on which the diamond industry was built. It was under these premises that Sundance Diamonds was created.
Q. What makes Sundance Processed Diamonds different then Synthetic Diamonds?
A. Sundance Diamonds only processes natural diamonds to enrich their natural beauty and value. It is through this natural chemistry that we are able to replicate the conditions found in the earth to bring the diamond to it natural potential. Synthetic diamonds are made in a lab environment under which certain chemicals are used to create color.
Q. Do we make or sale Synthetic Diamonds?
A. No, Sundance Diamonds only processes natural diamonds.
Q. For who does Sundance Diamonds process diamonds?
A. Sundance Diamonds provides services for retailers and wholesalers. If you are a consumer we suggest that you contact a retailer in your area.
Q. What is HPHT processing?
A. High Pressure and High Temperature (HPHT) processing is a process that recreates similar conditions to those found in the earth during the formation of a diamond. These natural conditions allow a type II diamond to become colorless and a type I to naturally transform into a beautiful color.
Q. What is a Type I diamond?
A. Type I diamonds are classified into several sub-classifications; however, it is generally used to classify the natural nitrogen impurity in diamond. These natural impurities are what enable a type I diamond to achieve beautiful fancy colors after processing?
Q. How rare are Type I diamonds?
A. Type I diamonds represent approximately 95 -98% of all diamonds.
Q. What is a Type II diamond?
A. The Type II diamonds are classified into several sub-classifications; however, it is generally used to classify a diamond with a low nitrogen content. It is this type of diamond that has the potential to become colorless during HPHT processing.
Q. How rare are type II diamonds?
A. Type II diamonds are somewhat rare in that they make up approximately 2-5% of all natural diamonds.
Q. What is the difference between a treatment and a process?
A. A treatment is used to indicate a procedure that can be removed or that is not permanent. A process is used in a procedure that is permanent. For example painting a diamond is a treatment and polishing a diamond is a process. Also, irradiation is a treatment and HPHT processing is a process.
Q. Is the color permanent?
A. Yes, as with all processes completed here at Sundance the color is permanent.
Q. How can I tell if my stone can be processed?
A. Almost all diamonds can be processed to improve their color. The diamond needs to be VS or better in clarity.
Q. Will I know what color to expect before processing?
A. Yes, Sundance Diamonds provides a free analysis and consultation for every stone where we will convey to you a range of potential results.
Q. Is their any risk in HPHT processing?
A. Yes, HPHT processing uses extreme temperatures and pressures to process your diamond. These extreme conditions have the possibility of causing fractures and diamond loss. The percentage of damage is typically very low, but it remains a risk involved in the process.
Q. Will my diamond require repolishing after being HPHT processed?
A. Yes, during the process the diamond will form a very slight layer of graphite on the surface and will require repolishing.
Q. What will be the weight loss after repolishing?
A. The amount of weight loss will depend on each individual stone; however, our customers have indicated that they may lose between 2 – 5% from repolishing. This amount lost may increase depending on the individual stone.
Q. Can Sundance Diamonds repolish my diamond?
A. No, due to the extreme variations in cut and polish, Sundance Diamonds will not polish your diamond. However, we can recommend polishers here in the Untied States who you can independently contract to have your diamond polished.
Q. Can I choose what color I would like to have?
A. Yes, to a certain extent. After we have completed our analysis we can then discuss with you the options based on your diamonds own chemical and physical properties. Within certain diamond types it is possible to target different colors.
Q. Can Sundance Diamonds guarantee my results?
A. No, Sundance Diamonds relies on years of experience and technical equipment to estimate each final result; however, it is possible that the stone may have different results then what is expected.
Q. Who is responsible if there is some damage to my stone?
A. Sundance Diamonds is not responsible for any damage that may occur. We will do our best to ensure that this does not happen; however, it should be taken into consideration that it is possible.
Q. How long does it take to process a stone?
A. Depending on the parcel size the process usually takes between 1 to 2 days from when the parcel is received.
Q. Are these diamonds certified?
A. Yes, all reputable labs will certify HPHT processed stones.
Q. How will the certificate look for a stone that has been HPHT processed?
A. The properties of the diamond will be listed as normal with HPHT processing clearly stated next to the color. Also the notes will clearly state that the color of the diamond has been changed due to HPHT processing.
Q. Who should I send my diamond to for certification?
A. The world’s leading laboratories in the identification and certification of HPHT diamonds are GIA, EGL USA, and EGL Canada.
Q. How can I determine if my diamond has been HPHT processed?
A. Simply send your diamond to a reputable laboratory such as GIA, EGL USA, or EGL Canada.
Q. What size of diamond can be processed?
A. We process diamonds from 0.05cts to 100cts in size.
Q. How does Sundance Diamonds ensure disclosure of diamonds that have been HPHT processed?
A. Sundance Diamonds requires every individual to sign a legal agreement stating that they will ensure that their stones are being disclosed as being HPHT processed. If an individual breaks this agreement, they can be held to legal action and will no longer have the ability to process stones with Sundance Diamonds.
Terms of Use
SUNDANCE DIAMONDS LISTING SERVICE TERMS OF USE
ACCEPTANCE OF TERMS
US Synthetic Corporation (“US Synthetic”) provides a listing service for customers of its SUNDANCE DIAMONDS HPHT treatment process, including advertisements for treated gemstones subject to the following Terms of Use (“TOU”). Utilization of the listing service in any way, including listing gemstones for sale or placing a request for more information concerning a listing, constitutes agreement to these TOU. Use of this service is limited to gemstone wholesalers and retailers. To register to use this service, please contact US Synthetic.
ENTIRE AGREEMENT AND MODIFICATIONS
The TOU constitute the entire agreement between each user and US Synthetic and govern use of the listing service. US Synthetic reserves the right, at its sole discretion, to change, modify or otherwise alter these terms and conditions at any time. Such modifications shall become effective immediately upon the posting thereof.
CONTENT OF LISTINGS
All information, text, images, photos, or other materials (“Content”) posted on, transmitted through, or linked from the listing service, are the sole responsibility of the person from whom such Content originated. A listing user is entirely responsible for the accuracy of the information contained in any listing posted or otherwise made available via the listing service by or for that user. US Synthetic does not control, and is not responsible for the Content made available through the listing service by others and makes no representation or warranty as to the accuracy, completeness or authenticity of the information contained in any listing. Users requesting more information must evaluate, and bear all risks associated with, the use of any Content, and independently investigate the accuracy of such Content. Under no circumstances will US Synthetic be liable in any way for any Content or for any loss or damage of any kind incurred as a result of the use of any Content posted, emailed or otherwise made available via the listing service. By using the listing service each user acknowledges that US Synthetic does not pre-screen or approve Content, but shall have the right (but not the obligation) in its sole discretion to refuse or delete any Content available via the listing service, for any reason.
TRANSACTIONS BY USERS
Interactions by users of the service with other users found on or through the listing service, including payment and delivery of goods or services, and any other terms, conditions, warranties or representations associated with such dealings, are solely between such users. Each user should make whatever investigation it believes is necessary and/or appropriate before proceeding with any transaction with any other user. US Synthetic shall not be responsible or liable for any loss or damage of any sort incurred as the result of any such dealings. If there is a dispute between users, the users understand and agree that US Synthetic is under no obligation to become involved. In the event of any such dispute, users hereby release US Synthetic, its officers, employees, agents and successors in rights from claims, demands and damages (actual and consequential) of every kind or nature, known or unknown, suspected and unsuspected, disclosed and undisclosed, arising out of or in any way related to such disputes and / or our service.
LIMITATIONS ON SERVICE
The SUNDANCE DIAMONDS listing service is available to US Synthetic customers to facilitate the exchange of HPHT treated gemstones serviced by US Synthetic. No other listings are allowed. US Synthetic may establish limits concerning use of the listing service, including the maximum number of days that a listing will be retained, the maximum number and size of listings or email messages that may be transmitted or stored, and the frequency with which users may access the listing service. US Synthetic bears no responsibility or liability for the deletion or failure to store any Content maintained or transmitted by the Service and reserves the right at any time to modify or discontinue the listing service (or any part thereof) with or without notice. Use of the listing service acknowledges that US Synthetic shall not be liable to any user or to any third party for any modification, suspension or discontinuance of the listing service.
EXCLUSION OF LIABILITY
Neither US Synthetic nor any of its agents, directors, employees, or subcontractors shall be liable for any direct, indirect, special, incidental, consequential, punitive, or exemplary damages, including lost profits (even if US Synthetic is advised of the possibility thereof) arising in any way from, including but not limited to, (i) any defects, viruses and any other malfunctions caused to any equipment and other software in connection with access or use of the listing service or the listing service web site, (ii) the information provided on or via the listing service web site, (iii) the interception, modification or misuse of information transmitted to or from US Synthetic, (iv) the functioning or non-availability of the listing service web site, (v) the misuse of the listing service web site, (vi) the loss of data, or (vii) claims of third parties in connection with the use of this web site.
APPLICABLE LAW
This listing service and the TOU shall be governed by and construed in accordance with the laws of the State of Utah. All disputes arising out of or in connection with this listing service shall be submitted to the exclusive jurisdiction of the courts of the State of Utah.
TERMINATION
US Synthetic, in its sole discretion, has the right (but not the obligation) to delete or deactivate listings, block emails or IP addresses, or otherwise terminate the access or use by any user of the Service (or any part thereof), immediately and without notice, and remove and discard any listing, for any reason, including, without limitation, if US Synthetic has reason to believe any listing contains any inaccurate information or violates the letter or spirit of the TOU. Use of the service acknowledges each user’s agreement that US Synthetic shall not be liable for any termination of such access. The rights and obligations of all parties under these TOU shall survive any such termination.
DISCLAIMER OF WARRANTIES
THE SUNDANCE DIAMONDS LISTING SERVICE IS PROVIDED ON AN “AS IS” OR “AS AVAILABLE” BASIS, WITHOUT ANY WARRANTIES OF ANY KIND. ALL EXPRESS AND IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT OF PROPRIETARY RIGHTS ARE EXPRESSLY DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. TO THE FULLEST EXTENT PERMITTED BY LAW, US SYNTHETIC DISCLAIMS ANY WARRANTIES FOR THE SECURITY, RELIABILITY, TIMELINESS, ACCURACY, AND PERFORMANCE OF THE SUNDANCE DIAMONDS LISTING SERVICE. TO THE FULLEST EXTENT PERMITTED BY LAW, US SYNTHETIC DISCLAIMS ANY WARRANTIES FOR OTHER SERVICES OR GOODS ADVERTISED ON THE SUNDANCE DIAMONDS LISTING SERVICE. In some jurisdictions, limitations of liability are not permitted. In such jurisdictions, some of the foregoing limitation may not apply.
LIMITATIONS OF LIABILITY
UNDER NO CIRCUMSTANCES SHALL US SYNTHETIC BE LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL OR EXEMPLARY DAMAGES (EVEN IF US SYNTHETIC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES), RESULTING FROM ANY ASPECT OF USE OF THE SUNDANCE DIAMONDS LISTING SERVICE, WHETHER THE DAMAGES ARISE FROM USE OR MISUSE OF THE LISTING SERVICE, FROM INABILITY TO USE THE LISTING SERVICE, OR THE INTERRUPTION, SUSPENSION, MODIFICATION, ALTERATION, OR TERMINATION OF THE LISTING SERVICE. SUCH LIMITATION SHALL ALSO APPLY WITH RESPECT TO DAMAGES INCURRED BY REASON OF OTHER SERVICES OR GOODS ADVERTISED THROUGH THE LISTING SERVICE, AS WELL AS BY REASON OF ANY INFORMATION RECEIVED OR ADVERTISED THROUGH THE LISTING SERVICE. THESE LIMITATIONS SHALL APPLY TO THE FULLEST EXTENT PERMITTED BY LAW. In some jurisdictions, limitations of liability are not permitted. In such jurisdictions, some of the foregoing limitation may not apply.
INDEMNITY
Utilization of the listing service in any way serves as an acknowledgement by each user of its agreement to indemnify and hold US Synthetic, its officers, subsidiaries, affiliates, successors, assigns, directors, officers, agents, service providers, suppliers and employees, harmless from any claim or demand, including reasonable attorney fees and court costs, made by any third party due to or arising out of content submitted or made available through the listing service, the user’s use of the Service, the user’s violation of the TOU or breach of any of the representation and warranty herein, or any violation of any rights of another.
Disclaimer
The SUNDANCE DIAMONDS listing service is available to U.S. Synthetic customers to facilitate the exchange of HPHT treated gemstones serviced by U.S. Synthetic. U.S. Synthetic will only respond to requests for information about any listing which are made by registered gemstone wholesalers or retailers. If you are a gemstone wholesaler or retailer and want to register for this service, please click here. U.S. Synthetic does not control, and is not responsible for the information made available through the listing service and makes no representation or warranty as to the accuracy, completeness or authenticity of the information contained in any listing. Users of the service are responsible for independently evaluating any items offered through the listing service and bear all risks associated with investigating the accuracy of any listing. To see the complete Terms of Use for the listing service, please click here.
Retailers
Take advantage of the natural beauty in Sundance Perfected Diamonds...
Expand your customer base by providing the highest quality diamonds at incredible values.
Sundance Process delivers:
- Unsurpassed Quality
- Fully saturated natural Colors
- Improved Margins
Manufacturers
From Dull to Dazzling...
Sundance Perfected Diamonds can enable you to take advantage of the growing demand for HPHT processed diamonds. With Sundance Diamonds, the industry's processed diamond leader, you get the highest quality processed diamonds backed by superior customer service and a commitment to unsurpassed quality. Beautiful diamonds at incredible value.
Sundance Process offers:
- Premier Diamond Analysis and Processing
- Permanent Color Transformation
- Superior Customer Service
- An Internet Showcase For You and Your Clients
Consumers
The Right Stone at the Right Price...
With Sundance, the symbol of eternity, beauty and love just became much more affordable. Uncover the natural beauty within each diamond without compromising its quality.
Sundance Perfected Diamonds deliver:
- Beautiful Natural Diamonds
- Unique and Permanent Colors
- Lasting Value
Research & Disclosure
Events
Management Team
Our Philosophy
Our Culture & Values
Our History
About Us
Sundance Diamonds is the world's only professional High Pressure High Temperature (HPHT) diamond processing company. Our uncompromised commitment to constant innovation, outstanding quality and superior customer service allows us to provide the highest performance standards available to the diamond industry.
We are focused on the continued development of HPHT technology in order to provide our customers with the best service and product available. Sundance Diamonds maintains the ideals that the diamond industry was built on by requiring full disclosure from all of its customers.