Grogan Art Deco Platinum & 18K Diamond Brooch

UDALL & BALLOU ART DECO PLATINUM, 18K GOLD, SAPPHIRE, AND DIAMOND BAR PIN / BROOCH, tested, marked "U&B", featuring 11 hexagonal-cut sapphires in slightly tapering sizes from 4.1 to 4.7 mm side to sid

2 Art Deco Brooches. 1st item: Art Deco platinum, 18k yellow gold sapphire, diamond and pearl brooch containing 14 baguette cut sapphires with a total weight of approximately .56 carats and 42 Old Eur

Circa 1920s. Art Deco Car Brooch crafted in 18k yellow Gold and Platinum on top, accented with Rose cut Diamonds. Along with one natural Round cut Emerald. Weight: 5.4 grams. Measurements: 1.2 x 0.6 i

Vintage handmade Art Deco period Platinum and 18K Gold "Bar" brooch with black enamel, stamped "CDP Inc. France". A double row of (32) Round Brilliant Cut Diamonds, total weight 1.50ct, Clarity VS1, C

Art deco 18k yellow Gold and Platinum on top, featuring three Old mine Diamonds weighing Approx. 0.60 carats. Along with Rose cut Diamonds and natural blue Sapphires weighing Approx. 1.00 carats. Broo

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".

Platinum 18k Weight 5.52g Art Deco Rose Cut & old Mine Diamond Approx. 0.50ct Brooch Measurements 0.7inx1.8in

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 40mm long. GEMSTONES: Rose cut diamonds. TESTED: Plat/ 18k. WEIGHT: 2.9 grams.Gemstones have not been graded for color and clarity ,and tested for cl

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 44mm long. GEMSTONES: Diamonds, blue stones. TESTED: 18k/ Plat. WEIGHT: 2.3 grams.Gemstones have not been graded for color and clarity ,and tested fo

Art Deco Bug brooch Crafted in 18k yellow Gold and Platinum, set with Diamonds, Two Round Shaped Rubies and a 8mm Round Pearl. Weight: 5.6g. Measurements: 1.4x0.8".

Art Deco Pendant / Brooch crafted in 18k yellow Gold and Platinum on top, accented with Old mine and Rose-cut Diamonds weighing together Approx. 2.0 carats total weight. Pendant come with antique Plat

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

DESCRIPTION: An Art Deco Pin Brooch comprised of an 18k yellow gold foundations, inlaid with black Onyx, a platinum setting inset with Diamonds and a final Ruby accent. Stamped along the "750" Total W

Art Deco Pin Brooch crafted in 18k yellow Gold and Platinum, set with Rose cut Diamonds, Rubies & Tsavorites. Embellished with applications of Red Enamel. Measurements: 0.80 x 0.65 inches. Weight: 3.1

Art Deco Pin Brooch crafted in 18k Gold and Platinum featuring Natural Baguette Rubies Approx. 2cts accented by Rose cut Diamonds Approx. 0.45cts. Set with two round pearls on each side. Stamp: "M.D."

Art Deco Platinum Diamond Brooch Weighing 15.1 grams Set with 135 Diamonds weighing app. 9.00 Ct. E-G Color, VS1-SI2 Clarity 2.25 x 1 inches

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),

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

Art Deco Weight 11.3g Platinum & 18k  Diamond Approx. 0.3ct Emerald Approx. 0,8ct Ring Size 10 Measurements 0.33”x0.87”

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 & 18k Yellow Gold Weight 2.8gr Measurement 0.24inx0.77in Old mine Diamond Sapphire Ring Size 6.5