Showing posts with label colored diamonds. Show all posts
Showing posts with label colored diamonds. Show all posts
Thursday, October 19, 2023

Tiffany Vivid Yellow Diamonds

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I love yellow diamonds. Many thanks to Jill Newman of Robb Report and Victoria Wirth Reynolds, chief gemologist of Tiffany & Co for shar...
Friday, August 18, 2023

Yellow Zoning In Pink Diamonds

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Many thanks to researchers at GIA Carlsbad for sharing an insightful report on pink diamonds. Useful link: https://www.gia.edu/gems-gemology...

Patchy Yellow Trigon

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Take a look at the unusual growth event in a yellow diamond with trigons. Many thanks to researchers at GIA Carlsbad for the report. Useful ...
Saturday, April 22, 2023

Storm Mountain Diamonds Recovers 108.39 Carat Pink Diamond At Kao Mine In Lesotho

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A lucky find. Take a look. Useful link: https://stormmountaindiamonds.com/108c-pink
Friday, December 09, 2022

Why Are Large Diamonds Losing Their Luster At Auction?

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Fatigue. COVID-19. Recession. Too many large diamonds in the market. Useful link: https://rapaport.com/analysis/why-are-large-stones-losing-...
Tuesday, November 22, 2022

Exceptional Natural-Color Fancy Red Diamond

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Truly a fine example. Useful link: https://www.gia.edu/gems-gemology/fall-2022-lab-notes-exceptional-natural-color-fancy-red-diamond
Thursday, July 28, 2022

The Lulo Rose

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A brilliant storyteller. A 170 carat rough diamond was discovered during excavations at the Lulo mine in Angola. The type IIa rough diamond ...
Tuesday, August 03, 2021

The Fancy Color Diamond Price Index 2021

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The index tracks prices of yellow, pink, and blue fancy color diamonds in Hong Kong, New York, Geneva and Tel Aviv. Prices of fancy color di...
Thursday, May 20, 2021

Final Showcase Of Argyle Pink, Red And Blue Diamonds

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Mining ceased at Argyle on 3 November, 2020 and the 2021 Argyle Pink Diamonds Tender is the final collection of the rarest diamonds from the...
Saturday, April 03, 2021

Petra Diamonds Finds 39-carat Blue Diamond At Cullinan Mine

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South Africa's Petra Diamonds has found a blue rough diamond at Cullinan mine, a 39.34-carat, type IIb said to be of exceptional qualit...
Friday, January 01, 2021

Leibish Buys A Quarter Of Diamonds At Argyle Pink Diamonds Tender

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Leibish Polnaur bought a quarter of the diamonds at Argyle's record breaking tender. He outbid rivals for 16 of the 62 diamonds, marking...
Monday, December 21, 2020

Argyle Pink Diamonds Tender 2020

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Rio Tinto achieved record value at its 2020 Argyle Pink diamonds Tender, after bidders raised prices for the rare diamonds as supply has com...
Friday, November 27, 2020

Letšeng Recovers 14 Carat Pink Diamond

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Gem Diamonds has recovered a 14.09 top quality Type II pink diamond from  its Letseng mine in Lesotho. Take a look. Useful link:   https://w...
Tuesday, August 18, 2020

India Bore Diamond Holdings Discovers Rare Purple Fluorescent Diamonds At Ellendale

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An independent study of IBDH diamonds by Perth-based Delta Diamond Laboratory has revealed that a number of diamonds mined within the L-Chan...
Tuesday, March 31, 2020

Larry West Buys A 6-Carat Pink Diamond From Alrosa

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Take a look. Useful links: http://www.ljwestdiamonds.com https://www.nationaljeweler.com/diamonds-gems/supply/8525-larry-west-bought-...
Tuesday, March 24, 2020

Why Are Pink Diamonds Pink?

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Possibly plastic deformation, but still the experts do not know the actual atomic structure of the defect causing color. Useful link: ...
Saturday, February 29, 2020

Russia May Soon Become World’s Largest Producer Of Colored Diamonds

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Spot on. Useful links: http://eng.alrosa.ru https://www.rt.com/business/481499-russia-largest-diamond-producer
Monday, February 24, 2020

New Alrosa Mine Yields 17 Carat Yellow Diamond

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Take a look. Useful links: http://eng.alrosa.ru https://www.diamonds.net/News/NewsItem.aspx?ArticleID=64751&ArticleTitle=New%2bAl...
Sunday, December 29, 2019

Natural-Color Fancy White And Fancy Black Diamonds: Where Color And Clarity Converge

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These two colors are outliers within the colored diamond world. Gemologists must read the GIA report. Useful link: https://www.gia.edu...
Tuesday, December 17, 2019

World’s Pink Diamonds Is Drying Up. Here’s Why.

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It's finite, like a famous artist passing away, where no new art will ever come onto the market. Useful links: https://argylepinkd...