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Showing posts with label Lab-grown diamonds. Show all posts
Showing posts with label Lab-grown diamonds. Show all posts

Tuesday, November 21, 2023

CVD-Grown Diamond With Few Diagnostic Features

Without sophisticated analytical gem testing instruments it is virtually impossible to identify and interpret the diagnostic features of CVD- Grown diamond. Many thanks to Gems & Gemology and GIA researchers for sharing the report.


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Saturday, July 15, 2023

Differentiating A Natural Diamond From A Laboratory-Grown Diamond

Many thanks to Martin Winter of Mirror U.K and QueenSmith U.K for sharing an interesting story and poll on the difficulty of differentiating natural diamonds from lab-grown diamonds by the consumers in the U.K. Do you think the rest of the world are that smart? Not really. Even experienced jewelers make mistakes like their consumers with natural diamonds and lab-grown diamonds. If doubtful always consult a reputed diamond testing laboratory like the GIA.


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Wednesday, June 28, 2023

Greenlab Diamonds

Greenlab is the largest cultivator of diamonds in the world. Recently Greenlab sold a round, 7.5 cart, F color, VVS2 clarity polished diamond to the Indian government so Prime Minister Narendra Modi of India could present it to Jill Biden at a state visit to the White House in the U.S.


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Monday, June 26, 2023

HPHT-Grown Colorless Diamond Displaying Unusual Phosphorescence Effects

Phosphorescence produced from visible light by diamonds will always remain a challenge for diamond graders. Many thanks to Gems & Gemology and GIA researchers for sharing an insightful report for practicing gemologists and consumers.


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Tuesday, March 14, 2023

Why Not All Lab-Grown Diamonds Are Created Equal

Victoria Gomelsky's report along with Ada Diamonds was spot on. What matters between natural diamonds and lab-grown diamonds are the interpretations by lab-grown diamond producers and diamond experts, but sadly most consumers won't be able to see the difference.


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Tuesday, January 10, 2023

India Requests 0% Import Duty On Lab-Grown Diamond Seeds

Inda's jewelry industry is requesting the government to abolish import duty on seeds for growing lab-grown diamonds, which they believe would boost the country's manufacturing sector. A logical thing to do.


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Sunday, December 11, 2022

The Diamond Synthesisers

Nina Notman was spot on. Regardless of their, size and color, the process of growing diamonds is neither easy nor quick. This is why lab-grown diamonds are not cheap.


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Wednesday, November 16, 2022

Assure 2.0

The Natural Diamond Council has debuted Assure 2.0, which rates testers on their ability to distinguish natural diamonds from lab-grown diamonds. 


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Friday, October 07, 2022

Diamond Engagement Ring Market

According to Edahn Golan, jewelry with lab-grown diamonds comprises around 10% of U.S. diamond engagement ring sales so far in 2022. The numbers were calculated by Tenoris, the consultancy Edahn Golan cofounded with Chris Casy, former National Jeweler publisher. Tenoris calculates its numbers using data from 1200 specialty jewelry stores in the U.S. Take note.


Useful links: https://www.edahngolan.com I https://www.tenoris.bi

Wednesday, October 05, 2022

Lab Grown Diamonds Warning

If Kay, the biggest jewelry brand in the U.S. is advertising a US$300 pair of sterling silver earrings online with the warning that due to supply constraints these earrings may include natural diamonds, what would be the situation in medium to large jewelry outlets in India and other parts of Asia? The fact of the matter is lab grown diamond production haven't reached consistent levels of quality and quantity to meet the growing demand. As a responsible consumer, if you have doubts, ask logical questions in a polite manner.


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 https://www.kay.com

Tuesday, September 13, 2022

Lightbox Fancy Shapes

Lightbox, De Beers Group's lab-grown diamond brand, has added new shapes to its collection of loose diamonds. Take a look.


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Monday, September 05, 2022

Thursday, November 04, 2021

Lightbox Now Disclosing Post-Growth Treatments

Lightbox, De Beers' lab-grown diamond brand, has started disclosing the treatments it uses to create its synthetic diamonds---but still believes such disclosures are optional. Why it took so long?


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