The 1990s witnessed important developments in the commercial viability of gem-quality synthetic diamonds.
Read MoreWhite, pink and black nontransparent synthetic "cubic zirconia" is currently being manufactured in Russia and marketed primarily in cabochon and bead form.
Read MoreThe author has uncovered many ancient references to the simulation or enhancement of gemstones.
Read MoreContrasting the physical properties of diamond with colourless specimens to identify the most problematic diamond simulants.
Read MoreAn examination of the skull-melting technique used to produce cubic zirconia, first introduced in 1976, as well as the market status of this diamond simulant and information about its production and quality.
Read MoreOver the past several years, diamond simulants have entered the market that consist of colourless cubic zirconia reportedly coated with a thin layer (e.g. represented to be 30–50 nm) of nanocrystalline diamond particles embedded in a matrix.
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