Oscar Heyman Star Sapphire, Diamond and Ruby Earrings, c. 1945
An exquisite pair of Oscar Heyman star sapphire, diamond and ruby clover stud earrings set in platinum, circa 1945. Each earring is designed as a trefoil composed of three natural unheated round cabochon star sapphires of a greyish-blue colour claw-set in open-back settings, the central one issuing two ribbons, one of them grain-set with round brilliant-cut diamonds and the other one channel-set with calibre-cut rubies, further accented by three claw-set round brilliant-cut diamonds surrounding the central cabochon star sapphire. The earrings are secured to reverse with a screw-back fitting. Each sapphire measures approximatel 6-8mm. The total diamond weight is approximately 0.50 carats, F/G colour and VS/SI clarity. The rubies have an estimated combined weight of 0.25 carats. Dimensions: 20x20mm. Gross weight: 14.03g.
Oscar Heyman is a highly regarded American jeweller, who used to manufacture for all the big jewellery houses in the early 20th century, before continuing his craft under his own name. This pair of earrings is an excellent example of his unrivalled craftsmanship, with an intricate yet sturdy design that makes you feel like you own a truly remarkable treasure of the 1940s. The natural unheated star sapphires are of equal importance, each of them displaying a flawless asterism phenomenon.
Main Stone Cut
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