TIFFANY & CO. - a diamond dress ring. Designed as a

TIFFANY & CO. - a diamond dress ring. Designed as a brilliant-cut diamond and polished bar lattice, with tapered half-band. Signed T&Co. Estimated total diamond weight 0.40ct. Ring size L. Weight 6.5g

TIFFANY & CO. - a diamond 'Open Heart' ring. Designed as a brilliant-cut diamond accent stylised heart, with tapered shoulders. Signed Tiffany & Co. Facsimile signature for Elsa Peretti. Ring size J1/

TIFFANY & CO. - a platinum sapphire and diamond dress ring. The circular-shape sapphire, with marquise-shape and brilliant-cut diamond stylised petal sides. Signed Tiffany & Co. Estimated total diamon

TIFFANY & CO. - a diamond 'Signature X Kiss' ring. Designed as a brilliant-cut diamond cross, atop a grooved tapered band. Signed Tiffany & Co. Estimated total diamond weight 0.30ct. Ring size K. Weig

TIFFANY & CO., JEAN SCHLUMBERGER, A STAR SAPPHIRE AND DIAMOND DRESS RING The oval cabochon star sapphire estimated to weigh between 55 to 60 carats, to crossover pavé set diamond leaf shoulders, ap

18K Tiffany & Co. Schlumberger rope "X" ring. Classic 18K yellow gold and platinum diamond ring designed by Jean Schlumberger for Tiffany & Co. Features 4 rope like layers of twisted gold wire that ar

The sixteen stone ring designed by Jean Schlumberger for Tiffany & Co., an 18k yellow gold band set with 8 diamonds approx. .075 ct each and pink sapphires, marked Tiffany & Co. Schlumberber 750, with

Tiffany & Co. Jean Schlumberger 1.40ctw Blue Sapphire & Diamond 18K Yellow/White Gold 16-Stone Ring - This gorgeous ring by Tiffany & Co. were designed in conjunction with Jean Schlumberger. Jean Schl

The Tiffany & Co. Streamerica Platinum 0.20 ct Diamond Band Ring shows us that structured metal and white diamonds go well together. This ring features a streamlined design from the 1930s. Designed wi

Tiffany & Co. Elsa Peretti Spain Solid 18K Yellow Gold Curved Band W/0.10ctw VS1-VS2/F-G Diamonds - This lovely ring was designed by Elsa Peretti, and made by Tiffany & Co. Elsa Peretti joined Tiffany

A diamond and platinum ring, 'Lucida', Tiffany & Co.designed as a polished band, centered by a radiant-cut diamond. 5.6 dwt; size: 9

Yellow gold 750, 10.0 g. Classic, sporty ring from the Paloma Picasso collection by Tiffany, designed as a crossed double ring, the face set with a brilliant-cut diamond of approx. 0.20 ct, F/VS. Sign

Platinum, stamped: (c) / Tiffany & Co. / Pt950 Designed with twenty channel-set full-cut round diamonds, totaling approximately 2cts and graded E-F color and VS clarity Ring size: 6.5 6.2 grams

Tiffany & Co. Elsa Peretti Solid 18K Yellow Gold Bean Ring W/Diamond Accents - This lovely ring was designed by Elsa Peretti, and made by Tiffany & Co. Elsa Peretti joined Tiffany in 1974, and her org

Tiffany & Co. Elsa Peretti Solid 18K Yellow Gold Bean Wire Ring W/Diamond Accents (Retired Piece) - This lovely ring was designed by Elsa Peretti, and made by Tiffany & Co. Elsa Peretti joined Tiffany

Designed with white gold topped diamond X's, approx. 2.0 cts. TW, over roped gold band. 14k. Size 5. 9.6 dwt. Note: in the style of Paloma Picasso for Tiffany & Co. Signature 'X' design.

Featuring three rows of princess-cut diamonds, weighing a total of approximately 5.35 carats, with F-G color and VS clarity, mounted in 18K yellow gold; ring size 6-1/2; weight 8.2g. Signed Tiffany &

Crafted out of 18K yellow gold, set with round brilliant-cut diamonds, weighing a total of approximately 1.30 carats; ring size 6, measures 1.1 cm at widest area; weight 8.7 g.; in original Tiffany &

A diamond dress ring. Designed as a rose-cut diamond crown, atop a similarly-cut diamond pear-shape cluster and openwork shoulders. Foreign marks. Ring size N. With case. Overall condition good. Minor

A diamond dress ring. Designed as two pear-shape diamonds, with old-cut diamond sides, to the grooved shoulders. Estimated total diamond weight 1.15cts, J-tinted colour, SI1-P1 clarity. Ring size J. W

An emerald and diamond dress ring. Designed as an oval-shape emerald, with brilliant-cut diamond surround and similarly-cut diamond openwork shoulders. Emerald weight 1.59cts. Total diamond weight 0.3

A diamond dress ring. Designed as a pave-set brilliant-cut diamond curved panel, with plain half band. Five diamonds deficient. Estimated total diamond weight 1.10cts. Ring size S. Weight 9.3gms.

A 14ct gold diamond dress ring. Designed as a series of brilliant and baguette-cut diamond curved lines, with tapered half-band. Estimated total diamond weight 1.50 to 2cts. Hallmarks for Birmingham.

AN EMERALD AND DIAMOND DRESS RING designed as a flower, set with a central round brilliant cut diamond with oval cut emerald petals, the leaves and outer petals set with further round cut diamonds, st