Art Deco emerald and diamond ring, the emerald-cut Colombian emerald 4.46ct, flanked by step cut triangular diamonds, all bordered by baguette and trapezium cut diamonds,
the border line forming a strapwork overlap at the half hoop, hear-scroll pierced gallery, emerald bracket-claw set, the diamonds millegrain set, the shank engraved to three-quarter back with quatrefoil and laurel band, mounted in platinum, stamped 'PLAT', accompanied by AGL report no. 1122858 for the emerald giving a Colombian origin and that the stone shows minor oil clarity treatmentLength of head 1.5cm / 5/8''
Emerald 11.85 x 9.77 x 5.21mmWeight: 6g
Three stone ruby and diamond line cluster ring, the trio of Burma rubies with largest to centre, of 1.53ct, flanked by two rubies of pigeon-blood colour, 0.76ct and 0.73ct,
Early 20th century diamond three stone and onyx navette cluster ring, c.1915, with three old European cut diamonds, the principal to centre of approximately 1.80ct,
Art Deco emerald and diamond ring, the emerald-cut Colombian emerald 4.46ct, flanked by step cut triangular diamonds, all bordered by baguette and trapezium cut diamonds,