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A diamond simulant, diamond imitation or imitation diamond is an object or material with gemological characteristics similar to those of a diamond. Simulants are distinct from synthetic diamonds , which are actual diamonds exhibiting the same material properties as natural diamonds.
A moissanite engagement ring Moissanite: emerald cut. Moissanite was introduced to the jewelry market as a diamond alternative in 1998 after Charles & Colvard (formerly known as C3 Inc.) received patents to create and market lab-grown silicon carbide gemstones, becoming the first firm to do so. By 2018 all patents on the original process world ...
If emission is at 70%, transconductance can be at 90% still, and gain at 100%. The best and most popular version used by the German army was the Funke W19 [citation needed]. The disadvantage of an emission tester is that it can test a good tube as bad, and a bad tube as good, because it ignores other properties of the tube. A tube with low ...
eBay office in Toronto, Canada. eBay Inc. (/ ˈ iː b eɪ / EE-bay, often stylized as ebay or Ebay) is an American multinational e-commerce company based in San Jose, California, that allows users to buy or view items via retail sales through online marketplaces and websites in 190 markets worldwide.
Lab-grown diamonds of various colors grown by the high-pressure-and-temperature technique. A synthetic diamond or laboratory-grown diamond (LGD), also called a lab-grown diamond, [1] laboratory-created, man-made, artisan-created, artificial, synthetic, or cultured diamond, is a diamond that is produced in a controlled technological process (in contrast to naturally formed diamond, which is ...
DDPL mainly focuses on cutting and polishing quality diamonds, which it eventually sells to retailers and jewelers across the globe. The company manufactures diamonds in various shapes and sizes, ranging from 0.01 carat to 10 carat and distributes its products through its sales offices at Hong Kong, the United States and Belgium.
This is an accepted version of this page This is the latest accepted revision, reviewed on 21 February 2025. Entrepreneur, philanthropist, and founder of eBay (born 1967) Pierre Omidyar Omidyar in 2007 Born Parviz Morad Omidyar (1967-06-21) June 21, 1967 (age 57) Paris, France Citizenship Iran France United States Education University of California, Berkeley (BS) Occupation(s) Founder of eBay ...
The Best of Diamond Head is a compilation album by British heavy metal band Diamond Head, released by Half Moon Records in 1999. It is the band's most comprehensive ...
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