Yellow gold 750 ‰ and platinum 850 ‰ ring, square cut shape. It is centered with a +/- 0.70 carat square step emerald (probably Colombian), in a double surround of old-cut brilliants, the ring body is shouldered by three rose-cut diamonds on each side.
French work around 1910. 
Gross weight : 4,01 g - TDD : 55 (adjustable)
Live Tuesday 28 March 2023・13:30 (Europe/Paris)
Lot no. 176

Yellow gold 750 ‰ and platinum 850 ‰ ring, square cut shape. It is centered with a +/- 0.70 carat square step emerald (probably Colombian), in a double surround of old-cut brilliants, the ring body is shouldered by three rose-cut diamonds on each side. French work around 1910. Gross weight : 4,01 g - TDD : 55 (adjustable)

Estimate
€1,200 - €1,500
Result
€1,914
Buyer's premium
28%
Yellow gold 750 ‰ and platinum 850 ‰ ring, square cut shape. It is centered with a +/- 0.70 carat square step emerald (probably Colombian), in a double surround of old-cut brilliants, the ring body is shouldered by three rose-cut diamonds on each side. French work around 1910. Gross weight : 4,01 g - TDD : 55 (adjustable)
Sale Tuesday 28 March 2023・13:30 (Europe/Paris)
Salle 2 - Hôtel Drouot 9, rue Drouot 75009 Paris