Ring Art Deco diamond Square and Sapphires on Platinum
Ring headband in paltinium (hallmark: Mascaron), the finely chased ring of which is set in its center with an diamond cut square, weighing approx. 0.80 Ct (estimated color I, estimated clarity VS), in a shoulder of natural sapphires whose total weight is estimated at approx. 0.15 Ct.
Circa 1920, Art Deco.
Gross weight: 5.51g
SizeSize: 51 3/4 (diameter 16.30/ US 5.75)
Design height: 0.60cm
Condition: very slight micro-scratches and deformations on the parts paltinium, natural inclusions in the stones, see photos.
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The diamond crystallizes between 150 and 750km beneath the earth's mantle. At this depth, pressure is over 50,000 times greater than atmospheric pressure. This compresses the atoms together, giving the diamond its great hardness and brilliance.
All our antique rings.
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Description
Ring headband in paltinium (hallmark: Mascaron), the finely chased ring of which is set in its center with an diamond cut square, weighing approx. 0.80 Ct (estimated color I, estimated clarity VS), in a shoulder of natural sapphires whose total weight is estimated at approx. 0.15 Ct.
Circa 1920, Art Deco.
Gross weight: 5.51g
SizeSize: 51 3/4 (diameter 16.30/ US 5.75)
Design height: 0.60cm
Condition: very slight micro-scratches and deformations on the parts paltinium, natural inclusions in the stones, see photos.
Â
The diamond crystallizes between 150 and 750km beneath the earth's mantle. At this depth, pressure is over 50,000 times greater than atmospheric pressure. This compresses the atoms together, giving the diamond its great hardness and brilliance.
All our antique rings.
