Vintage 6.69cts Old European Diamond Platinum Brooch Pin

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

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),

Old European cut diamonds set in platinum filigree with gold pin back. Approximately 1.5 carat center stone with .75 carat side stones as well as many small diamonds throughout. Dimensions: L 2.75" x

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

This is an antique platinum large brooch bar pin with delicate filigree studded with Old European and Old Mine cut diamonds. The diamonds are VS-SI in clarity and GH in color. The pin is 3 7/8 x 3/4".

This is a vintage retro 14K gold bow brooch pin featuring Old European cut diamonds. The diamonds range from VS-VS2 in clarity and the color is HI for each. The brooch is 1 3/4 x 1 3/8". It weighs 10.

A vintage circle brooch containing twenty two old European cut diamonds weighing approximately 2.2 carats total weight. Finished with milgrain details and safety clasp to verso. Measures approximatel

Vintage circular platinum openwork brooch with central Old European cut diamond measuring approx. 4.0mm surrounded by single cut, round brilliant cut, and Old European cut diamonds. Total approx. weig

A lovely, vintage white gold and platinum stick pin featuring an approximately .18ct old European cut diamond and six single cut white diamonds, as well as two invisible set calibre sapphires on each

Antique Handmade Brooch-Pin in 14K yellow gold, Platinum Iridium, with "Eclipse-Crescent" design, set with (15) Old European cut round brilliant diamonds graduating from the center, approx. 0.45 ct to

57 full cut old European cut diamonds, 22 single cut old European diamonds, graduating in size 2.0 - 1.2mm, tested platinum, straight bar pin with "J" clasp, 2-1/4 x 5/8 in, 10.1 grams Provenance: Pro

This is a vintage platinum heart shaped pendant/brooch studded with 48 Old European cut diamonds. SI-I clarity and GH-HI color. 1 3/8 x 1 3/8". It weighs a total of 8.1g. Draft title TW estimate seems

A vintage 1.25" circle brooch in platinum containing 34 VS2-SI1, G-H color Old European Cut diamonds weighing approximately 3.50 carats total weight. 5.57 Dwt.

Openwork Platinum and Diamonds Pin/Pendant - 5.33 CTTW Vintage platinum pin/brooch with floral and ribbon design containing 67 European cut diamonds, diamonds measuring up to 0.62 ctw. (1.8mm - 5.5mm

Edwardian brooch from beginning of 20th century designed as a half crescent, made of platinum (acid tested - the pin on the reverse is made of 18K Yellow Gold) and set with many lovely Old European Cu

Period Edwardian 14K White and Yellow Gold Bar Pin Form Brooch, set with (1) central old European 0.20 point diamond, flanked on either side by (1) triangular shaped blue sapphire, 3.6 dwt, 3/4" high,

Platinum open circle pin featuring old European and round cut diamonds, weighing approx. 2.00 ctw, and French cut black onyx, milgrain edge, 18K safety catch, 1.25 in. diameter, 5.8 grams Provenance:

six old European cut diamonds, approx. 4.5mm, H-I, SI, 16 round single cut diamonds, five multi colored pearls, graduating in size 3.5 - 5.0mm, pearl colors range from white, cream and grayish brown,

Vintage Diamond, Platinum, 14k Yellow Gold Bow Brooch. Designed as an open work bow with black velvet backing, the center featuring one old European-cut diamond weighing approximately 0.30 ct., accent

Platinum diamond ribbon brooch combines old European, round and baguette cut diamonds weighing approx. 7.00 ctw with an average color grade of H-L and an average clarity grade of VS-SI set in flowing

With yellow golden pin - 37 old European cut / single cut cut diamonds (1x approx. 0.35 ct., 2x approx. 0.09 ct. (Old European cut) and 34x approx. 0.01 ct. (Single cut) in a platinum setting). Clarit

This delicate platinum topped pin has an approx. .75 ct. Old European cut diamond dangling in the circular center that is flanked by two smaller Old European cut diamonds, approx. .55 ct. tw., accente

ANTIQUE, DIAMOND BOW BROOCH Containing numerous old European cut diamonds weighing approximately 4.50 carats total. Mounted in platinum-topped gold. 2 3/4 x 2 inches.Pin stamp: 18K. Gross weight: 10.8

A VINTAGE BAR PIN WITH DIAMONDS AND A PEARL Featured center pearl with old mine diamonds set in platinum. Open metal work is accented with milgrain edging. Brooch is 2.75" long. 1 off-round white pear