J.E. CALDWELL Platinum Diamond Antique Pin Brooch

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

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.

Platinum brooch features approx. 1.20ctw in diamonds set in platinum. Brooch measures 31mm in diameter. Tested platinum. Brooch weighs 5.3 grams. Gemstones have not been graded for color and clarity ,

METAL: Platinum. MEASUREMENTS: Brooch is 3.5" long x 17mm wide. GEMSTONES: Diamonds approx. 69 stones total, combination of smaller rose and larger old mine mixed shaped stones. WEIGHT: 8.8 grams

METAL: Platinum. MEASUREMENTS: Brooch is 44mm x 17mm. GEMSTONES: Sapphire, Emerald, Diamonds approx. 0.70ctw. MARKED: 8990P. WEIGHT: 5.1 grams.Gemstones have not been graded for color and clarity ,and

METAL: Platinum. Stem is not gold. GEMSTONES: Diamonds approx. 0.10ctw. Pearls. MEASUREMENTS: Brooch is 48mm x 45mm. TESTED: Platinum. WEIGHT: 9.8 grams.Gemstones have not been graded for color and cl

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

METAL: 18k Gold, Platinum. GEMSTONES: Center diamonds approx. 0.13ctw. Rose cut diamonds. MEASUREMENTS: Brooch/Pin is 70mm x 6mm. MARKED/TESTED: 750, Platinum. WEIGHT: 4.8 grams.Gemstones have not bee

METAL: 18k Gold/ Platinum. MEASUREMENTS: Brooch is 58mm x 4.8mm. Comes with box. GEMSTONES: Old mine and rose cut diamonds approx.1.00-1.20ctw. TESTED: 18k/ Plat top. WEIGHT: 3.8 grams.Gemstones have

Ca. first quarter 20thC. Excellent original condition with three 3 1/2mm center full cut diamonds, set among forty-six 1mm mine cut diamonds placed diagonally within the checkered interior. The border

Title: Antique 3ctw Fine Diamond Irid Platinum Art Deco Era Circle Pin Brooch Description: Classic circle pin featuring approx. 3.0ctw of very well-matched, white F-H color, clean VS, hi-performance d

METAL: Platinum/ 18k Gold. MEASUREMENTS: Brooch is 69mm x 21mm. Chain is 3.75" long (with safety pin). TESTED: Plat top/ 18k gold. WEIGHT: 13.9 grams.Gemstones have not been graded for color and

METAL: Platinum and 14k Gold. GEMSTONES: Old mine cut diamonds approx. 0.84ctw (center diamond approx. 0.62ct). MEASUREMENTS: Brooch is 38mm x 11mm wide. TESTED: Plat, 18k. WEIGHT: 3.7 grams.Gemstones

METAL: 18k Gold. GEMSTONES: Two small rose cut diamonds. Ruby. Center gemstone is chipped. MEASUREMENTS: Brooch is 43mm x 5mm (missing a dangle element). TESTED: 18k, Plat. WEIGHT: 3.2 grams.Gemstones

Edwardian 14K Gold Diamond Flower Basket Pin. Antique brooch. Decorative metalwork basket with 11 diamonds. Floral and leaf design with diamonds. Tests 14k Gold acid; possible platinum. -- Dimensions:

Elegant antique Edwardian ladies brooch pin. Filigree platinum with collet-set diamonds. Center set with a Tsavorite green garnet of approximately 3.5mm. Secure ban back. Unmarked, x-ray verified Plat

METAL: Platinum/18k Gold. GEMSTONES: Diamonds approx. 1.20ctw. Turquoise - 10mm x 8.5mm. MEASUREMENTS: Brooch is 37mm x 25mm. MARKED: French Eagle's head Hallmark. Tested - Plat. WEIGHT: 10.7 gram

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

Metal : Gold back/Platinum Top Designer : Not Signed Gemstone : Demantoid garnets, Diamonds Measurements : Pendant is 25mm x 25mm Marked: : Tested plat/gold Weight: 10.1 grams

18kt Yellow Gold and Platinum 0.35ctw Diamond & 0.75ctw Peridot Two Doves Brooch/Pin - 14 grams

Antique platinum bar pin displaying (12) Old Mine cut diamonds. Diamonds average approx. 3.5mm x 2.5mm. With a 14kt yellow gold brooch backing. Total approx. weight of the brooch is 3.7 dwt (gross). F

This is an antique Art Deco bar brooch pin/pendant rendered in fine 14K white gold. The filigree brooch features 21 Old European cut diamonds of VS-SI clarity and HI color. It is 2 1/2" long and it we

METAL: 14K gold, platinum. GEMSTONES: diamonds, pearls. MEASUREMENTS: brooch is 35mm long x 40mm at widest point. TESTED: 14K, platinum. WEIGHT: 5.7 grams. Gemstones have not been graded for color and

This is an elegant vintage circle brooch pin rendered in fine platinum. The Art Deco pin is studded with 3.5tcw Old European and Old Mine cut diamonds of VS clarity and GH color. It is 1 3/8" diameter