INTRICATE 1920s PLATINUM & 4 CTS OLD MINE CUT DIAMONDS

14K Gold, Platinum, Emerald, and Diamond Locket/Pendantca. 1900; centering a heart-shaped emerald weighing 4.81 cts. framed by various shaped old-cut diamonds weighing approx. 8.50-9.00 tcw.; 9.90 dwt

Art Deco Platinum and Diamond Bracelet Set with 4 old European cut diamonds weighing approximately 1.40 cts, 50 old European-cut diamonds weighing approximately 5.00 cts and 216 old European-cut and s

A mid 20th century platinum old-cut diamond brooch, with baguette-cut diamond accents. Estimated total diamond weight 4cts.French re-strike marks. Length 3.2cms. 11.7gms.

Platinum, 14kt white gold. c. 1920s. Length: 2 3/4". 1920s stick pin. Platinum and 14kt white gold. Center Old European Cut diamond = 0.40ct G/H SI2. Two square cut diamonds = 0.06ct tw G/H VS. Eight

incisa e sbalzata, con tre diamanti centrali taglio vecchio e diamanti taglio rosa, cts. 4.00 totali circa. Cm. 9. Gr. 8 An early 20th Century platinum brooch with old cut diamonds and rose cut diamon

Platinum, Diamond and Cabochon Emerald Bracelet One portrait triangular step-cut diamond ap. 1.25 cts., 14 portrait modified triangular step-cut and 2 hexagonal-shaped diamonds ap. 4.80 cts., 174 old

Featuring one old mine-cut diamond weighing approximately 4.23 cts., accented by four European cut diamonds weighing a total of approximately 0.60 cttw., set in a platinum and 14k yellow gold pendant

Platinum and Diamond Ring and Platinum and Diamond Band Ring One old European-cut diamond weighing 1.46 cts., 4 single-cut diamonds, 7 round diamonds ap. .20 ct., ap. 3.7 dwts. Sizes 5 1/2. With GIA r

Platinum and Diamond Ring Centering one old European-cut diamond weighing 1.83 cts., 4 tapered baguette diamonds ap. 60 ct., ap. 3.4 dwts. Size 5 1/2. The diamond has been weighed. C Property of a Pri

Platinum and Diamond Ring with Platinum and Diamond Guard Ring One old European-cut diamond weighing 1.70 cts., 4 single-cut diamonds, 7 round diamonds ap. .20 ct., ap. 3.7 dwts. Sizes 5 1/2. The diam

Platinum, Ruby and Diamond Ring One oval ruby ap. 5.75 cts., 6 old-mine cut diamonds ap. .20 ct. Size 4 1/2. C

Antique Platinum, Gold and Diamond Heart Pendant with Triple Strand Platinum and Cultured Pearl Chain Necklace Old European-cut diamonds ap. 5.90 cts., pearls ap. 4.7 to 2.2 mm., pendant c. 1905, pend

Platinum and Diamond Chain Necklace 18 kt., 84 round and old-mine cut diamonds ap. 8.75 cts., ap. 12.4 dwts. Length 29 1/4 inches. C

Two-Color Gold, Platinum, Colored Diamond and Diamond Flower Clip Yellow and bronze gold, one orangy brown and 7 yellow and brown old European-cut and round diamonds ap. 4.85 cts., 13 small yellow old

Diamond and platinum ring Featuring (2) old European-cut diamonds, weighing a total of approximately 1.45 cts., flanked by (4) single-cut diamonds, weighing a total of approximately 0.08 ct., set in a

Diamond and platinum wedding ring set one engagement ring features (1) old mine cut diamond weighing 1.16 cts., flanked by (4) full cut diamonds weighing a total of approximately 0.10 ct., set in a pl

Center Diamonds is an old-mine cut. Art Deco flower ring Weighing app .50 Cts. VS2-H fallows by app 1 cts of old min-cut and rose-cut diamonds. VS2-H in color. Weighs 11.8 gr Size 7 1/4

Diamond and platinum ringfeaturing (11) old mine and old European-cut diamonds, weighing a total of approximately 1.25 cts., set in a pierced platinum lozenge-shaped mounting, size 4 1/2, gross weight

Pair of Platinum, Diamond and Sapphire Pendant-Earrings 86 old European-cut diamonds ap. 2.40 cts., calibré-cut sapphires, ap. 8.4 dwts. C

Platinum and Diamond Ring One old European-cut diamond weighing 2.00 cts., chipped, 20 single-cut and 4 baguette diamonds, ap. 3 dwts. Size 5 3/4. The diamond has been weighed. C

Platinum, Diamond, and Sapphire Ringca. 1920s; centering an old European-cut diamond weighing approx. 2.10 cts. surmounted by channel-set sapphires and single-cut diamonds in a platinum filigree mount

Platinum filigree with square top-mount centering an old European-cut diamond weighing approximately 1.20 cts., graded G-H color and SI clarity, size 5 1/4, est: $2500/3500

Platinum Art Deco engagement ring containing old European cut diamond measuring 8.09mm weighing approx 2 cts., 6 marquis cut diamonds set in floral design on shoulders of ring, size 5.5, 4 grams tw

ART DECO PLATINUM/DIAMOND RING W/OVER 1.8 CT. CENTER STONE C. 1920 WEIGHT 3.53 GR. CENTER (1) OLD EUROPEAN CUT DIAMOND, APPROX 1.80 CTS, CLARITY VS-2, COLOR L. SIDE (4) SINGLE CUT DIAMONDS, APPROX 0.0