Important Natural 23 Carat Ceylon Sapphire Diamond Necklace 1950s Provenance

Certified 40-carat natural unheated Ceylon (Sri Lankan) yellow sapphire, ruby and diamond cluster cocktail ring in 14kt yellow gold. Made in an unusual warm alloy that is in between ...

Art Deco style natural Ceylon no-heat sapphire and diamond ring in platinum. A striking sapphire and diamond ring, designed as an exquisite engagement ring or a sophisticated stateme...

Mid-Century Royal Blue oval sapphire and round brilliant-cut diamond cluster clip-on earrings in platinum and 18kt white gold, French import marks, 1950s/1960s. Each of the earrings features an oval sapphire of a royal blue color in an open-back claw setting, surrounded by two tiered rows of similarly-set round brilliant-cut diamonds of an incredible sparkle. These jewels are secured to reverse with a post and omega clip fitting. Sapphires: 2 stones; 5.50 carats (approximately 12.83 x 9.23 x 5.64 mm) and 5.33 carats (approximately 12.59 x 8.87 x 5.79 mm); roval mixed-cut; royal blue color (assessed). Diamonds: estimated 11 carats in total; F-H color (assessed); VVS-VS clarity (assessed). French control mark “mascaron” (used 1926-present) for imported platinum; French hallmark “owl” (used 1893-1984) for imported gold. Dimensions: 2.5 x 2.0 cm. Gross weight: 25.8g. This item is in good condition, with marks and scratches consistent with general age and wear. Antique, period and vintage pieces, both signed and unsigned, are being offered as worn. Unless otherwise stated, all weights and quality factors have been graded as mounting permitted and using classic gemology and standard gemological equipment and might slightly differ from the assessments provided by other gemologists. Assessments related to period of manufacture or geographic origin of gemstones are expert opinions and may differ from the assessments provided by other professionals. Colors in the pictures/videos might slightly differ from the colors in real life. When certificated stones are being offered, the certificate or report will be mentioned. For additional information or clarification, please get in touch and our in-house team of expert GIA Graduate Gemologists and Registered Appraisers/Valuers will be happy to help. Upon request, every item sold by Espadim 1985...

Mid-Century diamond and dark blue sapphire cocktail ring in platinum, Europe, 1950s/1960s. This ring features an elongated cushion-shape dark blue sapphire claw-set to the center and...

This necklace is made in 14K white gold and features a CDC Certified (CDC 170051) pear shape, 4.37 carat Natural Corundum Ceylon Blue Sapphire, from S...

An important cabochon Sapphire & Diamond drop necklace, the centerpiece being detachable to be worn as a brooch. Made in France, circa 1950.

A natural yellow Ceylon sapphire diamond necklace by Van Cleef & Arpels. The necklace is beautifully finished in 18kt yellow gold foll...

A stunning bib necklace in white gold centering a 39.4 carat blue cabochon sapphire framed by 50 carats of round brilliant and emerald cut diamonds. Circa 1950s.