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The concept of a diamond eternity ring was created in the 1960s by diamond merchant De Beers. [5] [6] American investigative journalist Edward Jay Epstein stated that at the time the company had a secret agreement with the Soviet Union which, in return for the creation of a "single channel" controlling the world's supply of diamonds, required the purchase of 90–95% of the uncut gem diamonds ...
A trilogy ring is a ring with a cluster of three stones set along the hoop. The center stone is often larger, or set higher than the two other stones, which are identical. The three stones symbolize the past, present (center stone), and future. These rings are often given as engagement rings, but can be used for other purposes, such as eternity ...
White gold is an alloy of gold and at least one white metal (usually nickel, silver, platinum or palladium). [5] Like yellow gold, the purity of white gold is given in karats. White gold's properties vary depending on the metals used and their proportions. A common white gold formulation consists of 90% wt. gold and 10% wt. nickel. [4] Copper ...
The Jewel Box (also known as the Kappa Crucis cluster, NGC 4755, or Caldwell 94) is an open cluster in the constellation Crux, originally discovered by Nicolas Louis de Lacaille in 1751–1752. [4] This cluster was later named the Jewel Box by John Herschel when he described its telescopic appearance as "... a superb piece of fancy jewellery".
The Heart of Eternity is a diamond measuring 27.64 carats (5.528 g), rated in color as "Fancy Vivid Blue" by the Gemological Institute of America. The Heart of Eternity was cut by the Steinmetz Group, who owned the diamond before selling it to the De Beers Group. The Heart of Eternity is a member of an exceedingly rare class of coloured diamonds.
A puzzle with striking similarities to both eternity puzzles, the Diamond Dilemma, with a deadline in 1990, 10 years before the deadline of the original eternity puzzle, has fewer puzzle pieces, 160 compared with 209 and 256 for the first two eternity puzzles respectively, and yet Diamond Dilemma has not yet been solved in over 25 years.