having a square chequer cluster appearance with the oval facetted rubies edged by calibre cut rubies and the old brilliant cut diamonds with small diamond accent stones, diamond line border and diamond line shoulders, mounted in platinum, principal diamonds approximately 0.75cts in all, the rubies approximately 0.70cts in all Cluster 18 x 18mm Weight: 5g
Art Deco pink sapphire, rock crystal and diamond oblong cluster ring, French c.1925, possibly by Rene Boivin, collet set with a rectangular cushion cut Burma pink sapphire,