natural diamond
1Diamond Nexus Labs — is a producer and marketer of laboratory produced gemstones. The company owns the trademark: “The World Leader in Laboratory Created Precious Gemstones”. The company produces and sells laboratory created rubies, emeralds sapphires and canary… …
2Diamond — This article is about the mineral. For the gemstone, see Diamond (gemstone). For other uses, including the shape ◊, see Diamond (disambiguation) …
3Diamond simulant — Due to its low cost and close visual likeness to diamond, cubic zirconia has remained the most gemologically and economically important diamond simulant since 1976. The high price of gem grade diamonds, as well as significant ethical concerns of… …
4Diamond-like carbon — A ta C thin film on silicon (15 mm diameter) exhibiting regions of 40 nm and 80 nm thickness …
5Diamond flaws — Contents 1 External flaws 1.1 Blemishes 1.2 Scratches 1.3 …
6Diamond enhancement — Diamond enhancements are specific treatments, performed on natural diamonds (usually those already cut and polished into gems), which are designed to improve the gemological characteristics and therefore the value of the stone in one or more ways …
7Diamond type — is a method of scientifically classifying diamonds by the level and type of their chemical impurities. Diamonds are separated into four types: Type Ia, Type Ib, Type IIa, and Type IIb. The impurities measured are at the atomic …
8Diamond turning — Diamond flycutting Diamond turning is a process of mechanical machining of precision elements using lathes or derivative machine tools (e.g., turn mills, rotary transfers) equipped with natural or synthetic diamond tipped tool bits. The term… …
9Diamond Rock — Diamond Rock, off the coast of Martinique Diamond Rock (Rocher du Diamant) is a 175 meter (574 feet) high[1] basalt island located south of Fort de France, the main port of the Caribbean island of Martinique. The uninhabited island is about… …
10Diamond Head (Hawaii) — Diamond Head Diamond Head, östlich von Waikīkī Höhe 232  …
