the purplish toned red tourmaline bordered by twelve old round brilliant cut diamonds, black enamelled dot spaced border, the tapering square section shoulders inlaid with black enamel heart and bellflower motifs in strapwork borders, the gems claw set and mounted in gold, stamped '18K' Length 2cm / �''
Width 1.8cm / 11/16''
Tourmaline 11.10 x 9.50 x 6.15mm Weight: 11g
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