Rose-cut Diagram

Rose-cut

Rose-cut diamonds are seldom seen nowadays, except in antique and Art Deco jewelry. There have been various forms of the rose cuts since the mid-16th century which have been derived…
ART DECO DIAMOND AND MULTI-GEM VANITY CASE

Hardstone

Hardstone. Hardstones are precious or semi-precious gemstones which can be used for intaglios or mosaics etc. Reference: Lexico. During the Art Deco era hardstones were extremely popular in jewelry, vanity case,…
French Art Deco Gold Mounted Agate, Hardstone and Coral Miniature Footed Bowl

Coral

Many forms of coral are now a protected species so care should always be taken to make sure that any item containing this gemstone is a genuine antique. The most…