Fluorescence
Fluorescence is a form of luminescence. This is a term describing any emission of light by a substance that is not the direct result of incandescence. Diamonds that are exposed to ultra-violet light (long wave or short wave) may glow, showing a certain degree of fluorescence. Fluorescence is caused by electron activity inside a gemstone, […]
Wedding anniversary gemstones
Historically, celebrations have been linked to life events such as births and weddings. The anniversary of such events has always been a legitimate reason to celebrate. With wedding anniversaries, there is so much to celebrate, and jewelry has come to represent some of our feelings for the occasion. Click here to read full article. Wedding […]
Essentials of Coloured Stones – another successful student!
Congratulations Nicolette Barnard on successfully completing the Essentials of Coloured Gemstone Course. Nicolette did extremely well and successfully identified all 20 gems in her final exam. We wish Nicolette all the best in the future.
Lulo Diamonds fetch US$12.8 million at Angolan tender
(Mining Review Africa) Lucapa Diamond Company and its partners Endiama and Rosas & Petalas have announced the outcome of the tender of six exceptional Lulo diamonds. The four large, top-quality white diamonds and two fancy pink diamonds recovered from the Lulo alluvial mine in Angola, and weighing a total of 336 carats, were sold in […]
Giant 7,525-ct Emerald Sells for Undisclosed Sum
(IDEX Online) – One of the world’s largest emeralds – weighing 7,525 carats – has been bought by Eshed – Gemstar. The Israel-based diamond and emerald specialists paid an undisclosed sum for the gem, recovered at the Kagem mine, in Zambia, which is operated by London-based Gemfields. Click here to read full article. http://www.idexonline.com/FullArticle?Id=47288
Six Suspects to Stand Trial over Green Vault Heist
(IDEX Online) – Six men will go on trial later this month in Germany over what has been described as the world’s biggest gem heist – 4,300 diamonds, with an insured value of at least $129m. Security guards watched raiders live on CCTV as they smashed their way into The Green Vault at Dresden’s royal […]
Alrosa Recovers 91.86-ct Yellow-Brown Diamond
(IDEX Online) – Alrosa has recovered a 91.86 carat yellow-brown diamond at its Anabar alluvial deposit, in the remote Arctic territory of Yakutia. The stone has been named Kyndykan, to honor a little girl who, according to folklore, was the sole survivor of a smallpox outbreak that wiped out her entire settlement 200 years ago. […]
The Fantastic – Incomparable Diamond
At 890 carats (just over 6 oz) this Congolese rough diamond was discovered by a young girl in 1989. The smart child noticed the diamond in a pile of rubble and passed it on to her uncle, who sold it to diamond dealers. Like many of the world’s diamonds, it ended up at one point […]
Flea Market Purchase Turns Out To Be A 34-Carat Diamond Worth $3.6 Million
BOSS HUNTING – A literal diamond in the rough has been uncovered over in the UK this year, estimated to be worth an easy US$2.7 million (AU$3.6 million). News like that isn’t so exciting, of course, but what makes this find a bit more fascinating is the fact that the exceptionally rare 34-carat diamond belongs […]
Famous Diamonds – The Millennium Star
This large rough diamond was found in the Democratic Republic of Congo in 1990. An estimated 65% of the world’s diamonds come from African nations, and this nation yielded an astonishing cut diamond weighing 203.04 carats. This makes it the second largest colourless and flawless diamond in the world (with the highest purity rating of […]
