"1950s Diamond Spiral Ring In Rose Gold And Platinum"
18K rose gold and platinum spiral ring (hallmarked with a dog's head and an owl) composed of gold interlacing bands holding a brilliant-cut diamond, weighing approximately 0.80 ct (estimated color G, estimated clarity SI), within a shoulder of old-cut diamonds whose total weight is estimated at approximately 0.20 ct. French work from the 1950s. Gross weight: 9.75g. Height of the central motif: 1.50 cm. Ring size: 50 (diameter 16.00/ US 5.25). Condition: slight micro-scratches on the gold parts, see photos. 
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