Round and rose cut diamond, calibré sapphire, platinum

Round and rose cut diamond, calibré sapphire, platinum and gold brooch, g 10.07, length cm 9.20 circa.Broche in oro giallo e platino con diamanti rotondi, mezza rosetta e zaffiri calibré, g 10,07, l

An Edwardian diamond and sapphire bracelet, the stepped and pierced front section set with transition and rose cut diamonds and calibre sapphires. Platinum. Weight 7.85 grams. Length 18.5cm.

A diamond and sapphire dress ring. The old-cut diamond, within a rose-cut diamond panel and calibre-cut sapphire border, with later applied platinum rose-cut diamond accent side band. AF. Principal di

AN ART DECO SAPPHIRE AND DIAMOND RING in platinum or white gold, the oval cut sapphire within a geometric surround of round cut diamonds and calibre cut sapphires, marked indistinctly, size N / 6.75,

An early 20th platinum and 18ct gold sapphire and diamond brooch. The circular-shape sapphire, within a rose-cut diamond surround and calibre-cut sapphire accents, to the rose-cut diamond sides. Frenc

AN ART DECO SAPPHIRE AND DIAMOND BROOCH, CIRCA 1920 in platinum, set with a cluster of round cut diamonds, within a border of calibre cut sapphires, the diamonds all totalling 1.4-1.6 carats, stamped

Platinum antique watch by Stona Watch Co. featuring a rectangular 16.5 mm case set with round diamonds and calibre cut sapphires with milgrain detail, white dial with blue-tone hour markers, 15 jewel

Platinum sapphire diamond eternity band; finger size: 7 1/4; 2.6dwt; alternating sections of 3ea 2x1.7mm blue square step cut calibre sapphire and 2.0mm (I1/IJK 1/2ctTW) round full cut diamonds

METAL: platinum GEMSTONE(S): oval faceted aquamarine approx. 1.10 carats; calibre cut sapphire approx. 0.80 carat total; round brilliant cut diamonds approx. 0.26 carat total MEASUREMENTS: ring top 1/

a lovely handcrafted ring with carved shoulders, containing two round cabochon cut sapphires and 10 rose cut diamond accent stones. Stamp: (makers mark) Weight: 5.5 grams Ring Size: 8.5 The ring

Platinum, Sapphire, and Diamond Ringthree rows of calibre cut sapphires, with an offset design set with full cut round diamonds weighing approximately 1.17 total carats (I-J color, SI2-I1 clarity), te

Circa 1930's Vintage Platinum Ring with Rose cut Diamonds and a Natural round Blue Sapphire Approx. 3.50 CT holded by a 18k Gold bezel setting. Ring size: 8.75.

Art Deco Platinum and 14K yellow gold bar pin featuring 10 round sapphires weighing approx. 2.50ctw, possibly Ceylon, alternating with 18 rose cut diamonds weighing approx. 0.20ctw, lock safety catch,

Pair of Art Deco-Style Diamond and Sapphire Drop Earrings platinum, each with a central old European-cut diamond within a ring of calibre-cut sapphires, in navette-shaped plaques set with round brilli

ART DECO PLATINUM 1.58 CT DIAMOND SAPPHIRE RING w/ COA, circa 1935, with an open work design with fine millegrain accents, centered with three round Old European Cut diamonds, flanked by rose cut diam

ART DECO PLATINUM 1.58 CT DIAMOND SAPPHIRE RING w/ COA, circa 1935, with an open work design with fine millegrain accents, centered with three round Old European Cut diamonds, flanked by rose cut diam

Designed as a millegrained platinum bomb-form element, set with rose-cut and OMC diamonds later set with round faceted blue sapphire border and trefoil accents, saltwater cultured pearl and RBC diamon

Wide Rose Gold, Platinum, Sapphire and Diamond Buckle Bracelet 18 kt., six rows of fancy-shaped links, square-cut sapphires ap. 5.35 cts., 46 round diamonds ap. 4.00 cts., c. 1940, ap. 85 dwts. Length

Including one ring centering twelve round-cut sapphires set in a platinum and 18k rose gold mounting, size 5; one ring centering nine single-cut diamonds weighing a total of approximately 0.09 cttw. s

SAPPHIRE, DIAMOND AND FOURTEEN KARAT GOLD RING. The rose and white gold ring with 28 round-cut diamonds together weighing approximately 0.35 cttw; and featuring an oval-cut sapphire weighing approxima

Platinum, five rows of invisibly set calibre cut sapphires, bordering two rows of round, graduated diamonds, in a classic dome style, sz 6.5, 17 grams tw

DK Platinum, Sapphire & Diamond Crescent Necklace Circa 1900! This wonderful necklace is one of a kind!The weight is 9.3 grams.There are 0.90 points of rose cut diamonds. There are 4 carats of natural

PIAGET, 18K YELLOW GOLD, LAPIS LAZULI, DIAMOND AND SAPPHIRE WRISTWATCH 24.00 mm case diameter, the bezel and bracelet containing 35 round brilliant cut diamonds and 43 calibre cut sapphires, lapis laz

2.35ctw SI1-SI2/G-H Old European & Round Cut Diamond, 1.40ctw Blue Sapphire & Solid Platinum Art Deco Ring W/Hallmarks (Comes W/$27,500 Appraisal) - This gorgeous ring from the Art Deco period was fin