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75 ct. pear-shaped diamond

75 ct. pear-shaped diamond

5 Notable Diamonds That Recently Hit the Auction Houses - JCK

5 Notable Diamonds That Recently Hit the Auction Houses - JCK

Dolomite twin crystal with Hematite inclusions - Brazil #gems #gem #metals #metal #rocks #rock #crystals #crystal #quartz #minerals #mineral

Dolomite twin crystal with Hematite inclusions - Brazil #gems #gem #metals #metal #rocks #rock #crystals #crystal #quartz #minerals #mineral

fantastic pear shape #diamond - part of the upcoming Christie's Magnificent Jewels auction

fantastic pear shape #diamond - part of the upcoming Christie's Magnificent Jewels auction

Scorodite; Tsumeb Mine, Tsumeb, Namibia

Scorodite; Tsumeb Mine, Tsumeb, Namibia

When mined from the earth or the ancient riverbeds, rough diamonds look like pieces of ordinary molten glass. The raw material holds remarkable, natural optical qualities. But it takes highly specialized skill, scientific knowledge, and tools to turn rough diamonds into the sought-after, scintillating gemstones. In 1919, master gem cutter and mathematician Marcel Tolkowsky established the 58-facet standard and most widely accepted proportions for an ideal cut round diamond.

When mined from the earth or the ancient riverbeds, rough diamonds look like pieces of ordinary molten glass. The raw material holds remarkable, natural optical qualities. But it takes highly specialized skill, scientific knowledge, and tools to turn rough diamonds into the sought-after, scintillating gemstones. In 1919, master gem cutter and mathematician Marcel Tolkowsky established the 58-facet standard and most widely accepted proportions for an ideal cut round diamond.

Diamond-Drop-Earrings-by-Harry-Winston $8.5M

Diamond-Drop-Earrings-by-Harry-Winston $8.5M

A lovely 1 carat baby blue diamond.

A lovely 1 carat baby blue diamond.

This 5.3 carat blue diamond sold for $9,600,000 at Bonhams' Fine Jewellery sale in London. It's set horizontally in a Trombino ring pave-set with brilliant- and baguette-cut diamonds created by Bulgari circa 1965.

This 5.3 carat blue diamond sold for $9,600,000 at Bonhams' Fine Jewellery sale in London. It's set horizontally in a Trombino ring pave-set with brilliant- and baguette-cut diamonds created by Bulgari circa 1965.

Largest blue diamond - so far... from Cullinan/Petra mine near Pretoria South Africa

Largest blue diamond - so far... from Cullinan/Petra mine near Pretoria South Africa

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