Ruby

Ruby in the marketplace
Rubies are more valuable and rare than top quality colorless diamonds. The record price for a ruby sold at auction is a 16 carat ruby which sold for US$227,301 per carat at Sotheby's in 1988. A 27.37 carat Burmese ruby ring sold for US$4 million at Sotheby's in Geneva in May 1995, $146,145 per carat. A 32 carat ruby sold for US$144,000 per carat at Sotheby's in 1989. In contrast, eight D-color internally flawless diamonds over 50 carats have been sold in the past six years and the largest, a pear-shape of 102 carats, fetched a mere US$125,000 per carat. Top rubies are so rare that the world's top gem dealers must comb estate sales and auctions to find them. Sizes above five carats are very  rare.

Ruby or Sapphire
Ruby is the red variety of the of the mineral corundum, one of the most durable minerals which exists, a crystalline form of aluminum oxide. Other colors of the same mineral are known as Sapphire. Corundum has a hardness of 9 on the Mohs hardness scale and is also extremely tough. In its common form, it is used as an abrasive.

Choosing a Ruby
The most important factor in the value of a ruby is color. The top qualities are as red as you can imagine: a saturated pure spectral hue without any overtones of brown or blue. The word red is derived from the Latin for ruby, ruber, which is derived from similar words in Persian, Hebrew, and Sanskrit. The intensity of color of a fine ruby is like a glowing coal, probably the most intensely colored substance our ancestors ever saw.

After color, the other factors which influence the value of a ruby are clarity, cut, and size. Rubies that are perfectly transparent, with no flaws, are more valuable than those with inclusions which are visible to the eye. Cut can make a difference in how attractive a ruby appears to the eye.

Ruby is considered a Type 2 gemstone

Type 2 Description: Usually eye clean with some inclusions under magnification

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MAJESTIC OVAL FACET INTENSE RICH RED RUBY

Weight: 0.56 CT.
Size: 6x4 MM.

Color: Intense Rich Red

Clarity: Clean

Origin: Thailand

Item # 400100000915

$750.00/ct. US

Price: $420.00 US