Antique Gold And Platinum Earrings With Synthetic Diamonds And Rubies, Netherlands, Pr

Unique Art Nouveau earrings in gold and platinum, set with diamonds and synthetic rubies. Made of 18-karat yellow gold (purity 0.750) and high-purity platinum (purity 0.900). These earrings are adorned with two antique brilliant-cut diamonds of approximately 0.70 ct (clarity VS2-SI1; color HI). They are also set with 26 rose-cut diamonds and one 8/8-cut diamond of 0.20 ct. The design is enhanced by 34 synthetic rubies of a magnificent pink color. Synthetic rubies: produced in a laboratory, they have the same properties as natural stones. The synthesis of ruby (corundum) began in the early 20th century and became popular in jewelry in the 1920s. Hallmarks: Dutch hallmark for gold and platinum. L x W: approximately 2.8 x 0.8 cm.