Antique Platinum 1.25CT VS1 MineCut Diamond

Ladies' platinum bracelet featuring 24 old mine cut (12 round, 12 marquise) diamonds approximately 4.92 carats, Clarity-VS1, Color-F. The bracelet tests platinum and is 6 3/4" L. Gross weight of the b

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

An antique platinum mount supports a fine old mine cut diamond weighing approx. .75 ct. Ring completed with small full cut round diamonds totaling approx. .20 ct.

Antique Platinum .86ct old mine cut diamond engagement ringSI2 H, size 4-5, 2.8 grams

ANTIQUE ART DECO PLATINUM MINE CUT DIAMOND RING WITH SAPPHIRE ACCENTS, C. 1920; APPROX. 1.0 CT CENTER STONE, COLOR H-I, CLARITY VS2-SI1; SIZE 7; 2.7 GRAMS TOTAL WEIGHT; PROVENANCE: PROPERTY OF G. LASH

Antique Ladies platinum and mine cut diamond ring with matching diamond band; center stone approx. 0.60 carats, high grade, eye clean, color H-I; size 5; platinum not tested, stones need cleaning** Al

METAL: 18k Gold/Platinum. GEMSTONES: Three old mine cut diamonds - 0.80ctw. MEASUREMENTS: Bracelet will fit up to 7.5" wrist x 3.4mm wide. Damage/evidence of repair next to one side diamond. MARK

Title: Platinum 1.25ct Diamond Band E-F VS1 4.0 grams size 5.75 Metal Purity: platinum Gemstones: Diamonds Carat Weights:1.25ct Size/Dimension: ring size 5.75 Additional Information: Reserve: $500.00

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

DESCRIPTION: A Platinum Art Deco Ring centered by an Approx. 1.25ct Old Minor Baguette cut Diamond, encompassed by an open work setting accented with further Old Minor cut Diamonds. Total Weight: 3.5

DIAMOND HAS CHIP ON GIRDLE, OTHERWISE VERY ATTRACTIVE, I-1 CLARITY, 5mm IN DIAMETER FOR AN ESTIMATE WEIGHT OF .50ct. FABULOUS FILIGREE IN GREAT CONDITION. ESTIMATE $1200-$1500

Victorian 1.05CT Genuine I1-I2/H-J Mine-Cut Diamond Set in Antique Solid Platinum Filigree Band STUNNING, ANTIQUE PIECE - This ring features a stunning, natural mine-cut diamond solitaire that is appr

Tested platinum navette ring set with Old European and Old Mine cut diamonds. Approximately .60 CTW. 3.4 grams. Size 5-1/2. In Bailey, Banks &; Biddle, Philadelphia, PA antique ring box.

METAL: Platinum. GEMSTONES: Old mine cut diamond approx. 0.80ct, two larger side OMC stones - 0.30ct each. MEASUREMENTS: Ring size 5 1/4, ring top is 13mm wide. TESTED: Plat. WEIGHT: 6 grams.Gemstones

Antique Platinum & Diamond Ring, .80 carat round Old European or mine cut diamond in center with baguette and round diamonds throughout adding another .36 carat, total 1.16 carat, in a fine Art Deco s

METAL: platinum. MEASUREMENTS: ring size - 6 1/4, ring top is 13mm x 18mm. GEMSTONES: old mine cut diamonds - approx. 1.30ctw. TESTED: plat. WEIGHT: 7.4 grams.Gemstones have not been graded for color

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

Filigree design, with 3 mine cut diamonds 0.50ct and two are approx . 0.20.ct , with 4 apprx 0.03 ct rose cut diamonds in filigree design. Diamonds are SI-I1, F-I Color. Total weight is approx 2.61 dw

Antique Platinum and Diamond Lavalier Necklacethe pendant in a delicate geometric design centering on an old mine cut diamond weighing approximately .50 carat (G color, SI1 clarity), over an open pear

Side Old Mine Cut diamonds total approx. 0.12ctw. Center will fit approx. 7mm round diamond. Ring size 8. Marked 10% Irid Plat. Weighs 4.2 grams.Gemstones have not been graded for color and clarity ,a

Title: Antique Old Mine Cut Diamond Platinum Art Deco Era 14k Gold Tie Hat Lapel Stick Pin Description: Terrific antique, Art Deco era stick pin that is handcrafted in platinum & set with clean, whit

Antique ring (from circa 1900) made of platinum (acid tested) set in its center with a pearl integrated with Old Mine Cut diamonds weighing a total of approximately 0.25 Carats. Size: 9.5 Weight: 5 gr

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

ANTIQUE PLATINUM-ON-YELLOW GOLD, DIAMOND AND SYNTHETIC SAPPHIRE RING. Cushion shape rectangular synthetic sapphire weighing 3.50-4.00 ct. surrounded by 14 old mine cut diamonds together weighing appr