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A pink diamond called Pink Panther, the largest in the world, is the MacGuffin of the 1963 film of the same name. In 2002, when Ben Affleck proposed to Jennifer Lopez with a 6.1-carat pink diamond engagement ring, it catapulted pink diamonds into the popular mindset, triggering an immense surge in pink diamond prices that still exists today. [26]
The pink, cushion-cut, 34.65-carat Princie Diamond used to be part of the Jewels of the Nizams of Hyderabad; it was auctioned in 2013 by Christie's and sold for US$ 39.3 million, which is the highest-recorded auction price for a Golconda diamond and a world record for US$ 1.1 million per carat.
One carat is defined as 200 milligrams (about 0.007 ounces avoirdupois). The point unit—equal to one one-hundredth of a carat (0.01 carat, or 2 mg)—is commonly used for diamonds of less than one carat. All else being equal, the price per carat increases with carat weight, since larger diamonds are both rarer and more desirable for use as ...
A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems, together with amethyst, sapphire, emerald, and diamond. [1] The word ruby comes from ruber, Latin for red.
There are considerable price shifts near the edges of the size bands, so a 0.49 carats (98 mg) stone may list at $5,500 per carat = $2,695, while a 0.50 carats (100 mg) stone of similar quality lists at $7,500 per carat = $3,750. Stones near the top of a size band (or rarer fancy coloured varieties) tend to be uprated slightly.
The Graff Pink is a rare 24.78 carat pink diamond, once owned by American celebrity jeweller Harry Winston. The diamond, mounted in a ring, was sold by Sotheby's auctioneers in Geneva , Switzerland on 16 November 2010.
This is a partial list of the largest non-synthetic diamonds with a rough stone (uncut) weight of over 200 carats (40 grams). [1] The list is not intended to be complete—e.g., the Cullinan (formerly Premier) mine alone has produced 135 diamonds larger than 200 carats since mining commenced.
Spinel group Spinel structural group: Formula (repeating unit) TiFe 2+ 2 O 4: IMA symbol: Uspl: Strunz classification: 4.BB.05: Crystal system: Cubic: Crystal class: Hexoctahedral (m 3 m) H-M symbol: (4/m 3 2/m) Space group: Fd 3 m: Identification; Color: Iron-black, brown in reflected light: Crystal habit: Commonly as an exsolution in ...