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
18th century diamond three row ring, c.1790, each row with seven old double-eight cut diamonds, close collet set in silver and gold, to tapering trifurcated shoulders and simple shank in gold