Marcus & Co. Deco Platinum Diamond Pin

Marcus & Co platinum ladies wrist watch set with diamonds, 20mm diameter case, the movement signed C.H. Meylan Brassus Swiss 5 adjustments, 18 jewels, #30752, the case stamped platinum 10798 together

Art Deco Tiffany & Co 14k gold and platinum jabot pin, adorned with lapis, onyx and diamonds. Each top is 10mm in diameter, entire pin is 76mm long. Marked Tiffany & Co. Weight - 4.6 grams.

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

Title: Antique Marcus & Co. 5ctw Fine Old Euro Diamond Aquamarine Center Platinum Art Nouveau Era Pendant Brooch w/ Orig. Box Dated 1922 Description: A truly dazzling Art Deco era brooch / pendant tha

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

Art Deco gold and diamond stick pins, two left to right: 1) platinum, 14K yellow gold, 0.20 carat round brilliant cut diamond (clarity: VS2, color: G), 0.50 cttw single and old European cut diamonds (

Tiffany & Co Art Deco Platinum Diamond and Sapphire Ladies Wrist Watch. Watch is set with round and marquis cut diamonds and square cut sapphires in a platinum case with a manual-wind movement and saf

set with 63 round diamonds approx. 1.65 carats (in our opinion: G-H color, VSI clarity, however not guaranteed), one diamond missing, tests platinum, 15x37mm, 5.8gms., Opening Bid $500

METAL: platinum. GEMSTONES: diamonds-approx. 0.90 -1.00ctw. MEASUREMENTS: brooch 60 x 6.3mm at widest point. MARKED: Plat. WEIGHT: 5.4 grams.Gemstones have not been graded for color and clarity, and t

SIGNED TIFFANY & CO. ART DECO PLATINUM, DIAMOND AND SAPPHIRE LOW DOME RING, early 20th century. Old European cut round diamond weighing approx 1.00 ct. Centered by two lines of six calibré-cut sapp

Art Deco platinum brooch/pin decorated with mixed cut diamonds. Center stone- Old European cut diamond-approx. 0.79ct (VS2/I), two side stones-Old European cut diamonds-approx. 0.55ctw (SI1-SI2/I-J),

set with 22 European cut diamonds approx. 3.00 carats (in our opinion: K-L color, SI2-I1 clarity, however not guaranteed), 2 center diamonds each approx. 70pts, in tested filigreed platinum (pin stem

METAL: Platinum. GEMSTONES: Diamonds (one stone is missing) - approx. 3.00ctw. MEASUREMENTS: Brooch is 63mm x 29mm. TESTED: Plat. WEIGHT: 11.9 grams.Gemstones have not been graded for color and clarit

METAL: Platinum. MEASUREMENTS: Brooch is 35mm x 17mm. GEMSTONES: Diamonds approx. 1.40ctw (center stone approx. 0.40-0.44ct). TESTED: Plat top. WEIGHT: 7.7 grams.Gemstones have not been graded for col

Brooch measures 46mm x 22mm. Decorated with approx. 2.00ctw diamonds. Top tested plat. Weight - 10.7 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhanc

METAL: Platinum. MEASUREMENTS: Brooch is 45mm x 19mm. GEMSTONES: Diamonds approx. 3.00ctw, old mine cuts. TESTED: Plat. WEIGHT: 8.1 grams. Gemstones have not been graded for color and clarity ,and tes

METAL: Platinum. GEMSTONES: old mine and rose cut diamonds approx. 263 stones., center stone is approx. 0.70ct. MEASUREMENTS: Brooch is 57mm x 40mm. TESTED: Platinum. WEIGHT: 18 grams.Gemstones have n

Art Deco Platinum Diamond Stick Pin, Period antique lapel pin; platinum set with ten European cut diamonds, bead set and four square cut sapphires, the center with a European cut round cut diamond, ap

Art Deco Platinum Diamond & Pearl Pin 4.2dwt; 18 Diamonds weighing 0.60cts, 4 Pearls 3.50mm; 2'' x 3/8'' x 3/8''

Vintage from the 1920s Length: 2.5 Inches Materials: Platinum Style: Art deco Recycled Description Solid platinum genuine diamond bar pen measuring two. 5 inches with magnificent hand done open scroll

METAL: Platinum. GEMSTONES: Mixed old mine and rose cut diamonds. MEASUREMENTS: Brooch is 32mm x 21mm. TESTED: Plat. WEIGHT: 6.5 grams.Gemstones have not been graded for color and clarity, and tested

Art Deco platinum diamond bar pin, 2 1/2" long, center diamond measuring approximately 0.20 carats, ten smaller diamonds in body, stamped Platinum, weight 7.2 grams/4.6 dwt

Art Deco stick pin, with platinum and diamond top, with gold stem. Top measures 14.5 x 7mm, with approx. 0.24ctw in diamonds. Length of the pin - 65mm. Weight - 2.1 grams.

Art Deco platinum, diamond, and fine emerald brooch / pin, composed of fifty-one mixed-cut diamonds including baguette and round brilliant-cut diamonds; approx: 5.50 ct tw., color: H-I, clarity: VS2 -