Rare 93-ct Black Diamond goes on Display
(IDEX Online) – An extremely rare 93-ct black diamond has gone on display at London’s Natural History Museum. The rough diamond, which weighed over 300 carats, is thought to have originated in Brazil. It was acquired by the lender’s family during the late 1800s in Goa, India – a well-known gem cutting center at the […]
Pigeon’s Blood Ruby Ring could sell for $4.5m
(IDEX Online) – A ring with diamonds and a giant 8.11-ct pigeon’s blood ruby – so-named because of its vivid crimson hue – is to be sold by Christie’s Hong Kong with a high estimate of $4.5m. It will lead the Magnificent Jewels Auction on 28 November. The sale features additional high-value pigeon blood rubies […]
From Gray to Yellow at -320F: Introducing the Color-Changing Cryogenic Diamond
(IDEX Online) – Newly discovered “cryogenic” diamonds change color from gray to yellow at extremely low temperatures, say experts at the GIA lab. They’re the opposite of “chameleon” diamonds, first discovered in 1866, which change color at very high temperatures. Stephanie Persaud, senor analytic technician at the Gemological Institute of America (GIA) in New York, […]
Opsydia Technology Advances to Secure Identity of Melee Diamonds
The UK-based diamond innovator has collaborated with the Natural Diamond Council on the latest phase of its ASSURE Program for Diamond Verification Instruments.(PRESS RELEASE) Leading diamond security specialist, Opsydia, has honed its sub-surface laser technology to such an extent that it can now place permanent identifiers in melee diamonds without affecting their surface polish.Diamonds that […]
2,150 New Stores: China’s Biggest Jeweler is getting a Lot Bigger
IDEX Online) – Chow Tai Fook aims to open more than 2,000 new stores across China by 2025. The jeweler is already the country’s biggest by market value, and currently has 4,850 points of sale. It is planning to increase that number by 2,150 to 7,000. Click here to read full article. http://www.idexonline.com/FullArticle?Id=47047
Natural Diamond Council launches “For Moments Like No Other” campaign
SNJ-NEW YORK) – The Natural Diamond Council (NDC) has launched its second global “For Moments Like No Other” advertising campaign inspired by a singular, direct manifesto: “Love Life.” The campaign stars the actress and NDC Global Ambassador, Ana de Armas. Read full article here. https://southernjewelrynews.com/latest-news/whats-new/natural-diamond-council-launches-for-moments-like-no-other-campaign/
Congratulations Filip on successfully completing the Diamond and Diamond Grading course
Congratulations Filip on successfully completing the Diamond and Diamond Grading course, with exceptionally high marks. Filip is a qualified jeweller, polishes gemstones and is now returning home to open his diamond polishing operation. Have a safe trip home to Slovakia and we wish you well with your new ventures. Keep in touch, we look forward […]
South Africa’s Cullinan mine puts sparkle back in Petra Diamonds
Fin 24 – “Exceptional stones” unearthed at its Cullinan Mine – which contributed a record $62 million during the year – gave Petra Diamonds’ revenue and sales a boost – even in 2021’s tough economic climate. Read full article here. https://www.news24.com/fin24/companies/south-africas-cullinan-mine-puts-sparkle-back-in-petra-diamonds-20210914
Gold (Au) the most popular metal used in Jewellery
The most popular metal used in jewellery. Gold in its pure form is too soft to make jewellery and therefore different metals such as copper, zinc, silver and palladium or a combination thereof are added to increase its strength. Click here to read full article. Gold – Most common metal in Jewellery
Famous Diamonds – The Cullinan
The Cullinan, the biggest gem-quality diamond weighing 3106 ct., ever found, was discovered at the Premier Mine in the Transvaal, South Africa on 26 January 1905. The rough diamond measured 2 x 2½ x 4 inches, weighed 1⅓ pounds and was nearly flawless. It was named the Cullinan in honour of Sir Thomas Cullinan, the […]
