Rare diamonds

The rarest gemstones in the world are extraordinary treasures formed under rare geological conditions, making them highly sought after for t...

Discover the world of diamonds, coloured gemstones, and fine jewellery with Diamond Buzz® – your expert guide since 2018.

By Erika Winters 122.52-carat blue diamond recovered at the Cullinan mine Petra Diamonds announced the recovery of a 122.52-carat blue diamond at the Cullinan mine in South Africa. The diamond […]

A Magnificent and Spectacular Fancy Vivid Blue Diamond. Internally Flawless; also accompanied by a diamond type classification letter stating that the diamond is determined to be a Type IIb diamond. Type IIb diamonds are very rare in nature (...less than one half of one percent)...today the most significant source is limited to the Cullinan Mine in South Africa...Among famous gem diamonds, the 70.21 carat Idol's Eye and the 45.52 carat Hope are examples of Type IIb.

The Juliet Pink Diamond, 30+ carats in a necklace (total 98 carats) with marquise, pear and round-cut white diamonds. LPT-L-JEWELS-The Natural History Museum is getting in the jewelry business, sort of. The museum is opening an exhibition called “Diamonds: Rare Brilliance.” It runs through March 19 and features rare diamonds and will look at how gems get their colors. Photo by Brad Graverson/The Daily Breeze/SCNG/12-16-16

Spinel is a rare gemstone that often appears flawless and comes in a range of beautiful colours. It is also the fourth most durable gemstone, with a rating of 8 on the Mohs scale, ranking just behind sapphire, ruby, and diamond.

Diamonds which have not yet been cut are referred to as 'rough' or 'raw' diamonds. To identify whether the stone you have is a diamond, you can do a quick visual evaluation to rule out other gemstones. From there, you'll want to perform a...

The pinnacle of Harry Winston's craftsmanship and design in jewels so remarkable and rare they can only be described by a single world: Incredible.

View auction details, art exhibitions and online catalogues; bid, buy and collect contemporary, impressionist or modern art, old masters, jewellery, wine, watches, prints, rugs and books at sotheby's auction house

Marvellous selection of exquisite and rare green and blue diamonds with variations in their tone, hue and saturation from Novel’s…

Revisit the Farnese Blue, the Blue Moon of Josephine, Mrs. Paul Mellon's blue and more memorable blue diamonds at Sotheby's.

Discover what makes this diamond especially rare and coveted.

The sale of the historic Peace Diamond to Graff Diamonds will improve lives in one of the world's poorest countries.

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Black Diamond Black Diamonds, sometimes known as carbonados are one of the toughest forms of natural diamond. The black colour comes from a mixture of graphite and carbon within the stone. Black Diamonds are incredibly tough and more porous than white diamonds, making them harder to cut but very long lasting. Black diamonds do not sparkle like other colors - but they look incredible set into jewellery on their own or aside other stones. Since they are completely opaque, they do not vary in…

Graff The Blue Ice. Blue diamonds are one the rarest colours in nature and at 22.02 cts. The Blue Ice is a fancy deep blue pear shape diamond ring set with pear shape diamond shoulders is one of the finest examples in the world today.

The 102.34 carat rock, cut from a stone mined in Botswana, has been hailed as the 'rarest white diamond' ever to come to market. It is on display at Sotheby's Diamonds in London.

Some of what I’m reading this morning: