18k (750‰) yellow gold ladies' signet ring adorned with an hourglass motif on paved round-cut and baguette-cut diamonds French product

18k (750‰) yellow gold ladies' signet ring adorned with an hourglass motif on paved round-cut and baguette-cut diamonds
French production c. 1980
Ring size: 53
Gross weight: 9,6 g