18K (750/1000) gold and platinum (850/1000) daisy ring set w - Lot 10

18K (750/1000) gold and platinum (850/1000) daisy ring set with a rose-cut oval diamond in a surround of ten smaller diamonds. Size of central diamond: 7.5 mm x 5.4 mm x 1.50 mm approx. Date : 1930 Origin: French work Metal: 18K gold 750/1000 and platinum 850/1000 Gross weight: 5.21 g Finger size: 53 (can be cut to size) Ring head dimensions: 20.2 mm x 15.6 mm Type of stones: diamonds Estimated gemological characteristics: Si - intense fluorescence (Please note that the stones have neither been loosened nor tested by a gemological laboratory) Condition : Used condition. A few chips, scratches and accidents to the stones. Claw setting to be reviewed. Weight of central diamond: approx. 0.40 cts. Weight of setting: approx. 0.50 cts. Title hallmark: dog's head for platinum and eagle's head for gold. No master hallmarks. Literature: the rose cut is one of the oldest and most delicate diamond cuts. The forerunner of the brilliant cut, it was developed in India before becoming the standard in 16th-century Europe.