Original ring with large rectangular table in 18k yellow gold (750‰) adorned with lines of round

Original ring with large rectangular table in 18k
yellow gold (750‰) adorned with lines of round
diamonds, princess-cut diamonds, calibrated rubies,
and an oval-cut sapphire cabochon in the center
Ring size: 49,5 (adjuster)
Gross weight: 27,2 g