Ring in 750 white gold and 850 platinum, set with an oval-cut sapphire (glass field, tinted) weighing approximately 4.40 carats, surrounded by fifty-five vintage brilliant-cut, 8/8, and baguette diamonds. Mid-20th century piece. Sapphire dimensions: 10.9 x 8.9 x 5.7 mm Estimated total diamond weight: 4.40 ct Ring size: 46 (resizing ring) Gross weight: 10 g