
RUBY AND DIAMOND RING BAGUE RUBIS DIAMANTS • French assay mark for platinum (850 ‰) • 1 cushion-shaped ruby weighing 1.28 carat • Accompanied by a report from Bellerophon stating that this ruby is of Burmese (Mogok, Myanmar) origin, with no indications of any treatment. Report no. A31999 dated 20th January 2026 • Single-cut diamonds weighing approximately 0.20-0.40 carat in total • Ring size 48 / I ½ • Gross weight 3.71 grams Footnotes: CONDITION REPORT Overall condition: good, wear in form of minor scratches, base of hoop has possibly been re-sized. Ruby: Pinkish red hue, medium to dark tone. Chips and abrasion, chip on the girdle. Approx. measurements: 7.67 x 7.55 x 2.40 mm Diamonds: Single-cut diamonds weighting approximately 0.20-0.40 carat in total. Approximate colour: H-I Clarity: SI. Marks: French maker's mark partially visible probably for Sellier & Dumont, workshop from 1925 to 1933, they worked for Van Cleef & Arpels, Lacloche, amongst others. They are successor to Sellier Jolly Dumont. Became Dumont Bouchaud & Cie in 1933. This condition report is provided for your convenience based on the opinion of our gemmologists. Bonhams is not responsible for any discrepancies between this information and other opinions. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing






























