AN INVISIBLY-SET SAPPHIRE AND DIAMOND RING
AN INVISIBLY-SET SAPPHIRE AND DIAMOND RING

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AN INVISIBLY-SET SAPPHIRE AND DIAMOND RING
Of bombé 'bridge' design, the central square-cut sapphire panel to the pavé-set diamond mount and platinum hoop, ring size 5
Possibly by Van Cleef & Arpels, signature unclear, no. 52692