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Diamond [a] is a gemstone formed by cutting a raw diamond. Diamonds are one of the best-known and most sought-after gems, and they have been used as decorative items since ancient times. The hardness of diamond and its high dispersion of light —giving the diamond its characteristic "fire"—make it useful for industrial applications and ...
Diamond. Typically yellow, brown, or gray to colorless. Less often blue, green, black, translucent white, pink, violet, orange, purple, and red. Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. Another solid form of carbon known as graphite is the chemically stable form of carbon ...
The pear-shaped pendant at the bottom of the necklace weighs 67 carats (13.4 g). Brown diamonds are the most common color variety of natural diamonds. In most mines, brown diamonds account for 15% of production. The brown color makes them less attractive to some people as gemstones, and most are used for industrial purposes.
Offering a wide selection of mixed metals and gemstones that are ethically-sourced and sustainably-made, our favorites include the snake stud earrings ($70; $63) and mini Athena necklace ($160).
The most common diamond simulants are high- leaded glass (i.e., rhinestones) and cubic zirconia (CZ), both artificial materials. A number of other artificial materials, such as strontium titanate and synthetic rutile have been developed since the mid-1950s, but these are no longer in common use.
Diamond prices have fallen 5.7% so far this year, according to Zimnisky’s rough diamond index, declining more than 30% from their all-time high in 2022. De Beers once commanded a monopoly on the ...
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