Bidspirit auction | Harry Ivens tanzanite ring GG/WG

Harry Ivens tanzanite ring GG/WG 585/0 - Harry Ivens tanzanite ring GG/WG 585/000 with an oval faceted tanzanite 9.0 x 6.8 mm in a bright blue-violet, transparent with very few internal features and round faceted white gemstones 1.6 mm, RG 56, IV stamped, 3.9 g