Marcus & Co. natural pearl and diamond necklace, circa 1915.

Marcus and Co. diamond brooch. Set to centre with one round old cut diamond in an open back grain setting with an approximate weight of 0.40 carats, further adorned by sixty round mi...

Natural pearl, emerald and diamond ring. Set centrally with a round natural saltwater pearl in a closed back half drilled setting, approximately 5.5 x 5.6 x 4.5mm in size, further decorated with eight calibré cut natural emeralds in open in open back rubover settings with a combined approximate weight of 0.20 carats, further set with sixteen round eight cut diamonds in open back grain settings with a combined approximate weight of 0.16 carats, flanked further with two round old cut diamonds in open back rubover settings with a combined weight of 0.06 carats. The total approximate diamond weight is 0.22 carats, to an impressive cluster design featuring intricate openwork with millegrain edging, a decoratively pierced gallery and fancy shape open backholing, leading to asymmetric openwork shoulders with a foliate motif, and flowing through to a solid D-shape shank. Tested platinum, circa 1915, accompanied by Gem and Pearl...

Belle Epoque pearl and diamond necklace, circa 1905. An open work 3 row flat chain of platinum links and seed pearls. In the centre, an ...

Natural pearl and diamond tiara/necklace/bracelet. Set with twenty seven round natural saltwater pearls, approximately 5.4 to 9.8mm in diameter, further set with six round old cut diamonds in open back rubover settings with a combined weight of 2.40 carats, embellished with seven drop shape briolette cut diamonds in bead settings with a combined weight of 4.00 carats, further set with one hundred and seven round old cut diamonds in open back rubover settings, fifty one forming the tiara band, fifty six forming the bracelet, with a combined weight of 21.70 carats. The total approximate diamond weight is 27.90 carats, to an impressive articulated necklace, featuring fringes of graduating pearls interspersed between festoons of pearl and diamond highlights, the diamond set band of...

Vintage Tiffany & Co. GIA Certified Natural Pearl Necklace with Platinum Diamond Clasp 16 Inch Pink/White Strand of Pearls Stunning and Rare 16-inch GIA Tiffany Necklace Features ...

An natural pearl and diamond necklace, the one-hundred-twelve natural pearls of cream colour graduating in size from 8.4mm to 3.8mm, strung with one-hundred-thirteen seed pearls in-between, attached to an Art Deco diamond clasp...

An Edwardian natural pearl and diamond festoon necklace, consisting of one-thousand-six-hundred-and-fifty-nine pearls accompanied by GCS repo...

A Belle Epoque natural pearl and diamond sautoir necklace, centred with an openwork plaque of geometric design, encrusted with swiss-cut diam...