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Diamonds with higher color grades are rarer, in higher demand, and therefore more expensive, than lower color grades. Oddly enough, diamonds graded Z are also rare, and the bright yellow color is also highly valued. Diamonds graded D–F are considered "colorless", G–J are considered "near-colorless", K–M are "slightly colored".
Diamonds sold through this process are known as conflict diamonds or blood diamonds. [131] In response to public concerns that their diamond purchases were contributing to war and human rights abuses in central and western Africa, the United Nations, the diamond industry and diamond-trading nations introduced the Kimberley Process in 2002. [142]
Diamonds became popular as ornaments in jewelry in the 1400s and the different techniques and styles of diamond cuts were gradually developed over many years. [4] Lodewyk van Bercken was a Flemish diamond polisher who invented the scaif. This ingenious polishing wheel enabled him to quickly cut facets into diamonds with precision.
Herkimer diamonds are double-terminated quartz crystals discovered within exposed outcrops of dolomite in and around Herkimer County, New York, and the Mohawk River Valley in the US. [ 1 ] [ 2 ] They are not diamonds ; the "diamond" in their name is due to both their clarity and well-formed faces.
In light of the news that Queen Camilla will wear Queen Mary's Cullinan-studded crown for her coronation, T&C takes another look at these nine magnificent gems cut from the largest diamond ever found.
A blue diamond with the same shape, size, and color as the Hope Diamond was recorded by John Francillon as in the possession of the London diamond merchant Daniel Eliason in September 1812, the earliest point when the history of the Hope Diamond can be definitively fixed, [14] [18] although a second, less definitive report claims that the Hope ...
While many of Herschel's consumers probably don't need to use the lash tabs for ice axes, the design continues today as a nod to the company's history. Related: Unusual uses for coconut oil More ...
Duchess Kate's blue sapphire and diamond engagement ring still remains every bit iconic to this day. Many know that the ring holds a special place in the royal family's heart.