Marina B
Unique Sapphire, Coloured Sapphire and Diamond ‘Laca’ Ring
Auction Closed
November 12, 07:46 PM GTNN
Estimate
50,000 - 100,000 CHF
Lot Details
Description
Collet-set with a step-cut sapphire, the mount embellished with buff-top sapphires of various pink, yellow and blue hues, accented by baguette diamonds, size 53, signed Marina B, numbered, maker’s mark for Marina B, partial French maker’s and assay marks for gold; circa 1990.
Accompanied by SSEF report no. 149310, dated 9 October 2025, stating that the sapphire is of Burmese origin, with no indications of heating, together with an original Marina B invoice, dated 6 November 1990.
Viviane Jutheau de Witt, Marina B - The Art of Jewellery Design, Milan, 2003, p. 158 for the Laca ring which is a one-of-a-kind creation dated to 1990.