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
Art Deco emerald and diamond cluster ring, c.1920, the cushion cut Colombian emerald of approximately 2.00cts, bordered by single cut diamonds extending to two diamonds to each shoulder, millegrain set in platinum, accompanied by AGL report no. 1124368 for the emerald giving the Colombian origin opinion and that the stone shows insignificant traditional clarity treatment (oiling), total diamond weight approximately 0.15cts in all,
Early 20th century three stone emerald and diamond ring, c.1910, set with a 3.97ct Colombian emerald of stepped square cut, flanked by two Asscher cut diamonds of approximately 2.25ct and 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,