Search results
Results from the WOW.Com Content Network
Immediately following the sale in 2008, Graff announced his intention to recut the gem to remove damage to the girdle and enhance the colour. [ 7 ] [ 12 ] [ 13 ] On 7 January 2010, it was reported that the diamond had been recut to enhance the stone's colour and clarity, losing over 4.45 carats (890 mg) in the process.
In the wholesale trade of gem diamonds, carat is often used in denominating lots of diamonds for sale. For example, a buyer may place an order for 100 carats (20 g) of 0.5-carat (100 mg), D–F, VS2-SI1, excellent cut diamonds, indicating a wish to purchase 200 diamonds (100 carats (20 g) total mass) of those approximate characteristics.
The Jacob Diamond, also known as the Imperial or Victoria Diamond, is a colourless diamond from India (or from the Golconda mines) [1] ranked as the fifth-biggest polished diamond in the world.
Historic rhinestone copy of the Florentine Diamond, made in 1865 in Paris by the L. Saemann company [1] Rhinestones on a tiara Rowenta enamel rhinestone compact. A rhinestone, paste or diamante is a diamond simulant originally made from rock crystal but since the 19th century from crystal glass or polymers such as acrylic.
The Elizabeth Taylor Diamond, formerly known as the Krupp Diamond, is a 33.19-carat (6.638 g) diamond that was bought by Richard Burton for his wife, Elizabeth Taylor in 1968.
Due to its features, the stone resembles a traditional Russian Matryoshka doll.Experts who studied the find claimed that this was the first such diamond in the history of world diamond mining until October 2019.
Its low cost and close visual likeness to diamond have made cubic zirconia the most gemologically and economically important diamond simulant since 1976.. A diamond simulant, diamond imitation or imitation diamond is an object or material with gemological characteristics similar to those of a diamond.
Cutting diamonds requires specialized knowledge, tools, equipment, and techniques because of its extreme difficulty. The first guild of diamond cutters and polishers (Diamantaire) was formed in 1375 in Nuremberg, Germany, [1] and led to the development of various types of "cut". This has two meanings in relation to diamonds.