J.E. CALDWELL & CO. Platinum, Diamond, and Ruby

J.E. CALDWELL & CO., PLATINUM AND DIAMOND CONVERTIBLE DRESS CLIPS Consisting of two platinum clips containing straight baguette, round brilliant, and single cut diamonds weighing approximately 5.00 ca

Platinum over gold with Old Mine and Old European cut diamonds, with original presentation box. Dimensions: 1 1/6" x 1 1/16" , 1.00 ct. total diamond weight, 5.1 grams total approximate weight. Proven

JEWELRY: Woman’s 14K J.E. Caldwell Concord Ruby and Diamond Wristwatch, stem wind and set movement stamped: “CONCORD Watch Co.,311, SWISS, Seventeen 17 Jewels”, note: watch is in running con

Very find early circa 1915 "J.E. Co." signed natural 18" pearl necklace with platinum clasp holding 12 small diamonds with central marquise diamond. Pearl excellent color and luster.

Tiffany & Co Platinum Diamond Ruby Cobblestone Luxury Stud Earrings in Box Rare

METAL: platinum. GEMSTONES: diamonds, rubies. MEASUREMENTS: ring size 7.25. Band is 2.5mm at widest point. MARKED: Tiffany & Co Pt950. WEIGHT: 3.8 grams.Gemstones have not been graded for color an

JEWELRY: Woman’s J.E. Caldwell Platinum Diamond Wristwatch, stem wind and set movement stamped: “Ed Koehn, Geneva, Swiss, 18 Jewels, 7 Adj. No. 87989”, note: watch is in running condition bu

J.E. Caldwell Platinum diamond and akoya cultured pearl earrings, with a unsigned matching graduated 9mm – 10mm pearl necklace with 14K white gold clasp. Provenance: From a local collection. Ear

METAL: Platinum. MEASUREMENTS: Earrings are 11mm x 6mm. GEMSTONES: Rubies, Diamonds approx. 0.10ctw. MARKED: 2002, Tiffany & Co, PT950. WEIGHT: 3.8 grams.Gemstones have not been graded for color a

Art Deco Tiffany & Co. Ruby, Diamond, Platinum Ring. Centering one octagonal shaped ruby measuring approximately 5.7 x 6.6 x 3.8 mm, accented by two baguette-cut and thirty round-cut diamonds weighing

Tiffany & Co. Platinum, Ruby and Diamond Ring One oval ruby ap. 1.50 cts., 24 round diamonds ap. 2.05 cts., signed Tiffany & Co., ap. 4.4 dwts. Size 5 1/2. With signed box. C The Estate of Kazuko Naga

Tiffany & Co Platinum, Ruby and Diamond Pierced Earrings Hoop earrings having round cut rubies and diamonds; marked 'T&Co' / 'Tiffany & Co' and 'PT950'; with Tiffany st

CRESARROW WATCH CO., LADIES RUBY, DIAMOND & PLATINUM WRIST WATCH, C 1920 Consisting of 1-platinum case, having 32-single cut diamonds weighing approximately 75/100 carats total VS1 clarity, G-H color,

French Brass and Crystal Regulator Clock. The face having vermeil filligree work and faux faceted diamond surround. Marked JE Caldwell & Co. Philadelphia. Having a mercury dial and key. Height- 12". B

Vintage Tiffany & Co Approx. .40 Carat TW Square Cut Ruby, .30 Carat TW Round Cut Diamond and Platinum Eternity Band. Signed, stamped Plat. Size 4-1/2. Approx. weight: 2.18 grams. Condition: Good vint

Ca. first quarter 20thC. Amazing quality throughout with 68 clear Columbian emeralds and 82 clear full cut diamonds surrounding the large central EVS1 diamond. Weight approx. 12.9 Grams. Measures appr

An 18K gold, platinum, diamond, and ruby brooch, Tiffany & Co. Schlumberger, "Ibex" designed as an ibex with a pavé-set round brilliant-cut diamond head, a pear-shaped ruby eye, and ribbed gold h

Circa 1915, platinum diamond & sapphire encrusted stickpin with J.E. Caldwell Box , 2.3 DWT 1 small sapphire missing

set with 58 round diamonds and rubies approx. 3.19 carats, stamped 'T&CO. PT950', 7in., 11.8gms.

Early platinum 7 diamond, 8 rectangular caliper-cut sapphire Art-Deco filigree bar pin. (4.2 dwt.) Vintage J.E. Caldwell leather box included but not original to pin.

Featured in this lot is this Burmese ruby diamond and platinum PT950 necklace with GGA and GIA paperwork. The necklace features a polished, stamped, and tested platinum construction that is marked on

METAL: 18K gold, platinum. GEMSTONES: diamonds-approx. 1.25ctw, ruby. MEASUREMENTS: brooch is 40mm in diameter x 47mm at widest point. MARKED: Tiffany Schlumberger 18K P. WEIGHT: 18.3 grams.Gemstones

Title: Vintage Tiffany & Co. 3ctw Fine Diamond 0.75ctw Natural Ruby Platinum Art Deco Circle Pin Brooch Description: Signed Tiffany & Co. platinum circle pin featuring approx. 3.0ctw of the fieriest

Featured in this lot is this rare Burmese ruby and VS2 diamond platinum bracelet with AIGL and GIA paperwork. The bracelet features a polished, stamped, and tested platinum construction that is marked