NOW WITH FREE EXPRESS SHIPPING within the U.S. Ships within 2 business days of order; scheduled for delivery within 2 business days after being shipped. Delays by the shipping carrier may occur but are beyond my control. I will do everything possible to have your package arrive as scheduled.

This is a risk-free purchase guaranteed to be as described and your complete satisfaction is assured by the simple 100% full refund return policy. If you don't love it, return it. Please see below, my shop policies, FAQ, and contact me for further details of the refund policy and guarantees.

Offered for sale here is a previously consumer-owned 1.51 carat loose natural round brilliant cut diamond with a GIA report (aka certified). The GIA report states that it is a natural diamond with an Si2 clarity and a treated Fancy Vivid Green Yellow color. Si2 clarity is typically considered to be eye-clean by diamond professionals. See further description and comments below.

SUSTAINABILITY ATTRIBUTES: Previously consumer-owned as of year 2000 or before. NOT recently mined.

Further information, details and comments about the diamond, the GIA, the color treatment, shop policies, etc. are provided below.

Please always feel free to message me with any questions and requests.
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The GIA:
The Gemological Institute of America ( GIA ) is widely considered the world’s foremost authority on diamonds. The GIA describes itself as a public benefit nonprofit institute founded in 1931. The GIA "About" information and more can be found on its website at https://www.gia.edu/gia-about .

From the GIA Report for this diamond:

Date of report: September 12, 2023

Report Type: Colored Diamond Grading Report

Report # 2235055589

Shape: Round Brilliant

Measurements: 7.10 - 7.16 x 4.85 millimeters

Carat Weight: 1.51 carat

Color: Treated, Fancy Vivid Green-Yellow, Even

For these and additional details and information, please see the picture of the GIA report provided with the listing pictures.

You can also view the Report on the GIA website at https://www.gia.edu/report-check?reportno=2235055589 .

You can also scan the QR code on the GIA report shown in the listing pictures to view the full GIA Report on the GIA website.
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Further information and remarks:
The diamond has been treated by a high-pressure and high-temperature (HPHT) process to alter the color at the atomic level. More information about this process is provided below.

The treated color is designated by the GIA report as Fancy Vivid Green-Yellow. Vivid is the highest color intensity grade that the GIA assigns. This is a permanent color. This is a very rare color even among treated diamonds.

This is a stunning and unique diamond. It would be very difficult to find its equal, treated or not treated. The vivid green-yellow color of this diamond is rare even among treated diamonds. The color intensity of this diamond is the very definition of vivid. Mesmerizing. Remarkable. The diamond is beautifully cut and polished. This is a truly dazzling and exceptional diamond. A non-treated natural diamond comparable to this in all aspects would likely be priced in the hundreds of thousands of dollars.

To be clear, this is a natural diamond, made by the earth, and mined from the earth. The only enhancement is of the color using a high pressure high temperature process developed in the late 1990s. The process uses pressures of up to 70,000 atmospheres and temperatures of up to 2,000 °C (3,632 °F). See Wikipedia at https://en.wikipedia.org/wiki/Diamond_enhancement.

Definitive identification of HPHT stones requires laboratory examination with advanced technologies and instruments.

SUSTAINABILITY ATTRIBUTES: Previously consumer-owned as of year 2000 or before. NOT recently mined.

NOTE: This diamond will appear differently with varying lighting and viewing conditions. I have included images to try and show this. More pictures and video can be viewed at https://photos.app.goo.gl/UrxGBSQ2BSW2Hc7h7 .

More pictures and videos can be provided by request. Feel free to request pictures of particular views, angles, lighting, etc.

Please always feel free to message me with any questions and requests.
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Suggested further online exploration of HPHT color enhancement of diamonds:

https://en.wikipedia.org/wiki/Diamond_enhancement

https://www.gia.edu/gems-gemology/spring-2022-lab-notes-hpht-processed-natural-type-ia-diamond

https://www.gia.edu/gems-gemology/summer-2000-hpht-treated-yellow-green-diamonds-reinitz
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RETURN INFORMATION.
This is a risk-free purchase guaranteed to be as described and your complete satisfaction is assured by the simple 100% full refund return policy. If you don't love it, return it. Please see below, my shop policies, FAQ, and contact me for further details of the refund policy and guarantees.

100% full refund return policy for any reason or no reason. Notify me of return within 21 days of delivery.
Ship items back within 21 days of delivery. Return shipping costs are the responsibility of the buyer.

SHIPPING INFORMATION.
Free shipping within the U.S. by UPS express 2nd day, or USPS Express priority mail (second day). Insurance and signature confirmation are included.
I process orders for shipping within 2 days of the order, Monday through Friday, and usually Saturday as well. If you order on a weekend, I will ship your package by the end of day Tuesday. I have found the carrier deliveries to be very timely, but delays by the shipping carrier are beyond my control and may occur. I will do everything possible to have your package arrive as scheduled.

Please contact me for information regarding shipping outside of the U.S.

Buyers outside of the U.S. are responsible for any customs and import taxes that may apply. I'm not responsible for delays due to customs.

For more policies information please see the home page of my Etsy shop at https://etsy.me/2U0wsT0 .

Please always feel free to contact me with any questions, requests, and comments. Dave
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NOTES ABOUT MY ETSY SHOP:

Items in my shop with discounted prices can be found at https://etsy.me/2JkE0Ov .

To receive updates and see more of my jewelry, diamonds, and gemstones, please favorite my Etsy shop Davidjthomasjewelry at https://etsy.me/2U0wsT0 .

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I am a GIA Graduate Gemologist and a former GIA Senior staff Gemologist and Instructor of the GIA Graduate Gemologist course in residence. I have been buying and selling fine diamonds and jewelry for 35+ years, specializing in antique and vintage engagement rings, wedding bands, diamonds, and all manner of wonderful jewelry, including my own creations. My antique and vintage jewels preserve and express their past, continuing their lives into the present and future without adding further environmental impact. My original creations are often handmade using reclaimed materials and low environmental impact techniques, and are always made in the U.S.A. I hope each jewel in my shop is captivating....a beautiful pleasure possessing inherent appeal and value.

I GUARANTEE. I personally own and personally examine every item I offer in my Etsy shop; the descriptions are mine and I always stand by them. I provide a no-risk full refund return policy ( see details in the policies section of my shop), and I happily abide by all rights afforded to you by laws and regulations. I also provide guarantees of the accuracy of description for specific important features of all items offered in my Etsy shop. Please always contact me to ascertain, clarify, or request specific assurances and/or guarantees on any item in my shop. I encourage you to contact me with any questions and requests. I promise I will be happy to assist however I can.

Most of all, I hope you find something you love and that I might have had something to do with it. Thank you for visiting. Dave