TIFFANY & CO., AN EXQUISITE ART DECO ROCK CRYSTAL AND DIAMOND BROOCH in platinum, the oval brooch

Tiffany & Co. Art Deco Diamond, Platinum Brooch Stones: European, transitional, and Swiss-cut diamonds weighing a total of approximately 6.00 carats Metal&col

Art Deco platinum and old mine-cut diamond brooch, 4.2 dwt. inclusive. [1 7/8" L].

Art Deco Rock Crystal Brooch with single cut diamonds, Emerald, Ruby, Ametrine set in platinum. Gems Cabochon cut, diamond full cut. Gems tested by jeweler. small ametrine missing on one side. Please

Apparently unmarked, containing center bezel set round diamond. Slight Chip to Rock Crystal. Weight appx. 1.35carat, pave set diamonds, total weight appx. 2.58carat, 50 small calibre cut rubies, total

A DIAMOND BROOCH, TIFFANY & CO in platinum, in the Art Deco style, of openwork design, the central rectangular panel accented at either end by hexagonal silhouettes, jewelled throughout with baguette

METAL: Platinum and 18k Gold. GEMSTONES: Diamonds approx. 1.50ctw. MEASUREMENTS: Brooch is 46mm x 4.2mm wide. MARKED: Tiffany & Co. WEIGHT: 6.1 grams.Gemstones have not been graded for color and c

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

Collection of Two Art Deco Diamond, Multi-Stone, Platinum, 14k White Gold Jewelry Items. Including one diamond, sapphire, rock crystal quartz, 14k white gold floral and filigree motif brooch measuring

CARTIER, IMPORTANT ART-DECO ROCK CRYSTAL AND DIAMOND BROOCH, set with 5 larger old cut diamonds and smaller diamonds totalling approx. 4.70 ct. The 2 sides set with carved rock crystal in trapezium sh

ART DECO ROCK CRYSTAL, ENAMEL AND DIAMOND BROOCH, CIRCA 1925 Of geometric design, the openwork square rock crystal plaque accented by black enamel bands and single-cut diamonds, between pierced, simil

Turner Auctions and Appraisals ushers in the next generation with andDaughters Auctions, founded by daughters Cassandra and Elysia Turner, along with Jason Krell. &Daughters Notes. A beautiful example

An Art Deco Rock Crystal & Diamond Pendant & a Victorian Chalcedony Brooch. Filigree pendant, c. 1925, centered by carved rock crystal and single diamond hung from a 14 kt white gold necklace, togethe

METAL: platinum, 14k gold. GEMSTONES: diamond, frosted crystal. MEASUREMENTS: brooch is 47mm x 20mm at widest point.MARKED: 14K&PL. WEIGHT: 4.5 grams. Gemstones have not been graded for color and

Art Deco Tiffany & Co 14 K gold and diamond brooch , pendant . The brooch gold with cobalt blue enamel and diamond center . Approx. 20 points central stone diamond surrounded by 12 approx.3 points dia

Ladies Touchon & Co fine platinum and gemstone brooch / nurses watch. Features a reticulated pin back section embellished with rose cut diamonds. Underneath are platinum links with natural seed pearls

AN ART DECO DIAMOND, ROCK CRYSTAL AND ENAMEL BROOCH the rectangular plaque with pierced diamond-set leaves, spaced by frosted rock crystal and diamond panels, between black enamel and diamond borders.

Art Deco dreicer & Co platinum bow brooch set with approx. 0.66ctw in rose cut diamonds and onyx. Some onyx stones are chipped. Brooch is 53mm x 12mm. Marked: Dreicer & Co, tested Platinum. Weight - 7

Antique Art Deco platinum brooch centering oval carved jade 38m x 16mm, framed by diamonds approx. 0.48ctw. Brooch measures 43mm x 18mm. Tested platinum. Weight is 7.2grams.Gemstones have not been gra

Fully marked on back. In the Beaux -Arts taste, early 20thC. From the same estate as the matching ring (lot 36). Missing one emerald baguette. H 1 W 2 D 1/8 Weight 8 Grams Missing one emerald baguette

Estate Lot of Platinum Jade & Diamond Art Deco Brooch & Ring. Oval Jadeite Flowered Brooch surrounded by platinum art deco motif with diamonds. The brooch measures W 2" x H 1". Art Deco Platinum Jade

Circa 1890's Art Nouveau antique Tiffany and Co platinum brooch having 4ctw old mine cut diamonds(Clarity:VS-SI/Color:E-H) with an onyx inlay and 18K yellow gold clasp/pin. Stamped 18K on clasp, engra

Turquoise and Diamond Flower Brooch Item # 6911 Category Pins & Clips Art Deco Platinum Turquoise and Diamond Flower Brooch Weighing 20.9 grams Set with an app. 18.00 Ct. real Turquoise Oval Cabochon

Art Deco; centering two oval cabochon sapphires weighing approximately 15.50 carats; with transitional cut diamonds accents set into polished crystal with a transition cut diamond surround; total diam

Art Deco Diamonds, Platinum and 18k yellow Gold filigree Brooch. Featuring a center Oval Cabochon Blue Stone Accented by Rose Cut Diamonds Approx. 0.15 Carats. Weight: 6.5g. Measures: 2.3x0.7".