Mauboussindiamond, ruby and sapphirecrossover ring. Set with two drop shape brilliant cutdiamonds in open backclaw settings with a combined approximate weight of 2.10 carats, flanked by sixteen rectangular baguette cut diamonds in open back channel settings with a combined weight of 1.20 carats, adorned with fourteen tapered rectangular baguette cut natural sapphires in open back channel settings with a combined approximate weight of 1.00 carats and further set with twenty two tapered baguette cut natural rubies in open back channel settings with a combined approximate weight of 1.35 carats. The total approximate diamond weight is 3.30 carats, to an impressive crossover design featuring curving claws and polished edges, a smooth gallery and fancy shape open backholing, the integrated trumpeting shoulders flowing through to a ridged D-shapeshank. Marked 18 carat yellow gold, signed 'MRE Mauboussin', indistinct makers mark, numbered '4 1253', French, circa 1980, accompanied by Gemmological Certification Services report #5782-141.
Mauboussin diamond, ruby and sapphire crossover ring, French, circa 1980.
Mauboussin diamond, ruby and sapphire crossover ring. Set with two drop shape brilliant cut diamonds in open back claw settings with a combined approximate weight of 2.10 carats, flanked by sixteen rectangular baguette cut diamonds in open back channel settings with a combined weight of 1.20 carats, adorned with fourteen tapered rectangular baguette cut natural sapphires in open back channel settings with a combined approximate weight of 1.00 carats and further set with twenty two tapered baguette cut natural rubies in open back channel settings with a combined approximate weight of 1.35 carats. The total approximate diamond weight is 3.30 carats, to an impressive crossover design featuring curving claws and polished edges, a smooth gallery and fancy shape open backholing, the integrated trumpeting shoulders flowing through to a ridged D-shape shank. Marked 18 carat yellow gold, signed 'MRE Mauboussin', indistinct makers mark, numbered '4 1253', French, circa 1980, accompanied by Gemmological Certification Services report #5782-141.