Imitation gem

Jewel having multiple culets

Method and system for laser marking in the volume of...

Method for cutting ornamental transparent gemstones and products

Method for determining a high-reflection cut of a gem,...

Method for producing a highly refractive composite gemstone,...

Method for treating a gem and gem treated with this method

Microinscribed gemstone

Microinscribed gemstone

Mixed cut gemstone

Modified princess cut diamond having hearts and arrows...

Multi-element pleochroic genstomes

Multi-faceted combined cut gemstones

Multi-stone oval gemstone assembly

New-cut diamond shape

Nonreflecting jewels for television broadcasting use

Play assembly and method for making an item of jewelry

Polished gemstone

Princess cut diamond

Principles and appliances for the cutting of spherical-faceted g