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2. List of sapphires by size - Wikipedia

   en.wikipedia.org/wiki/List_of_sapphires_by_size

   It is typically blue, but natural "fancy" sapphires also occur in yellow, purple, orange, and green colors; "parti sapphires" show two or more colors. The only color corundum stone that the term sapphire is not used for is red, which is called a ruby. [1] Pink colored corundum may be either classified as ruby or sapphire depending on locale.

3. Sapphire - Wikipedia

   en.wikipedia.org/wiki/Sapphire

   Pink sapphire. Pink sapphires occur in shades from light to dark pink, and deepen in color as the quantity of chromium increases. The deeper the pink color, the higher their monetary value. In the United States, a minimum color saturation must be met to be called a ruby, otherwise the stone is referred to as a pink sapphire. [10]

4. Pink diamond - Wikipedia

   en.wikipedia.org/wiki/Pink_diamond

   Pink diamonds can occur in hues ranging from brown-pink to purple-pink, although pink can also be a modifying color in other diamond colors. Brown, orange and purple are the only occurring secondary hues in pink diamonds although a pink diamond can exhibit both brown and orange overtones at the same time, making it a "brownish orangey pink ...

5. Gemstone - Wikipedia

   en.wikipedia.org/wiki/Gemstone

   Group of precious and semiprecious stones—both uncut and faceted—including (clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster. A gemstone (also called a fine gem , jewel , precious stone , semiprecious stone , or simply gem ) is a piece of mineral crystal which, when cut or ...

6. Diamond color - Wikipedia

   en.wikipedia.org/wiki/Diamond_color

   The record was broken again by the Pink Star diamond on April 3, 2017. The Pink Star was sold at an auction in Hong Kong for US$71.2 m (553 million Hong Kong dollars including fees) to Chow Tai Fook Enterprises.(GBP 34.7m; 56.83m SFr). [20]

7. Pear-shaped pink diamond sells for $31.5M at Sotheby's - AOL

   www.aol.com/article/2016/05/18/rare-pink-diamond...

   The 'Unique Pink,' weighing 15.38 carats and mounted on a ring, sold to an Asian private collector bidding by telephone, the auction house said. Pear-shaped pink diamond sells for $31.5M at ...