Edwardian Platinum and Diamond Brooch, 11.25 ctw

Edwardian Platinum and Yellow Gold 2.5 Carat Total Weight Round Cut Diamond Estate Brooch with 1- 3/8 Carat Center Stone, 1/4 Carat of Stone on Each Side and 1 Carat of Accent Stones. Measures 2 inche

Edwardian platinum topped 18K, 1.43 CTW diamond and pearl brooch. Diamonds: Old European Cut, Old Minor Cut, Swiss Cut Color: G-H Clarity: VS2-SI1 OMC Carat Weight: 0.46 ct OEC Carat Weight: 0.53 ct

Edwardian platinum brooch converted to pendant on 14k white gold chain. Features and ovular Edwardian pendant measuring 2 1/2" x 3/4" with approximately 1 carat total weight of round cut and rose cut

Featuring four European-cut diamonds weighing a total of approximately 2.09 cttw., accented by nineteen old European-cut diamonds weighing a total of approximately 0.47 cttw., highlighted by an a

Antique handmade, ribbon form brooch set with Old Mine cut and Old European cut round brilliant diamonds. Bezel set in the center is one elongated pear shape diamond, measuring .66ct. Clarity SI1, Col

An Edwardian platinum and diamond brooch pendant centering an old European-cut diamond weighing approximately 1.25 carats; accented by single and old European-cut diamonds; total remaining diamond wei

DESCRIPTION: A Edwardian Platinum brooch composed of two concentric circles with a center stem decorated with old minor diamonds, ranging from .20cts - .05cts. Total Weight: 3.1 dwt CIRCA: 20th Centur

Edwardian Platinum and Diamond Brooch/Pendant ca. 1910, the circular platinum brooch with an openwork lacy pattern set with a central old European-cut diamond, surrounded by smaller European-cut diamo

White platinum diamond ladies brooch with one 1.0ct center diamond VS1-2 clarity, F-G color, two 0.25ct round diamonds VS1-2 clarity, F-G color, two 0.07ct round diamonds, six 0.05ct round diamonds, t

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

$42852 Spectacular Edwardian antique diamond and platinum brooch with 6.68 carats of diamonds! 17.1 grams of platinum. Circa 1910. You won't find another like it anywhere. Complete with appraisal of $

Main Gem: Natural sapphire Color: Blue Gemstone Size: 5.5 carats Diamonds: Approximately 3 ctw of Old European Cut diamonds Color/Clarity: G, VS Metal: Platinum Please note that this lot has a reserve

Platinum brooch is decorated with diamonds, red stones and pearl. Brooch measures 34mm x 27mm . One diamond and one red stone are missing. Tested platinum. Weight is 5.4 grams.Gemstones have not been

An Edwardian Platinum, Diamond and Seed Pearl Bar Brooch, containing seven old European cut diamonds weighing approximately 0.35 carat total and four seed pearls (origin not tested) measuring approxim

DESCRIPTION: Edwardian platinum/18k and .85 CTW diamond bar pin. Tested 18k white gold filigree bar pin with platinum top. Pave set with forty-one old European cut, single cut and semi-rose cut diamon

Art Deco Platinum and Diamonds Brooch/Pendant - Approximately 6.87 Cttw.Tested platinum composition with gold overlay. 58mm x 31.5mm in size (excluding bail). 19.4 grams total weight, SI1 - SI2 clarit

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

* An Edwardian Platinum Topped Yellow Gold, Pearl and Diamond Pendant/Brooch, containing one pearl (origin not tested) measuring approximately 8.85 mm in diameter, seven old European cut diamonds weig

Edwardian Platinum & 18K Yellow Gold Demantoid Garnet and Diamond Brooch, c. 1915, comprising of 14 Demantoid Garnets, approx. 3/16 ct, and 26 diamonds approx. 1/16 ct each, stamped 14K on clasp [4938

Vintage platinum and diamond circular pin with interlocking ribbon form comprising of 3.6 ctw diamonds (VS - SI clarity, G-H color). Unmarked. Ahlers & Ogletree, Inc. reserves the right to demand paym

Marcus & Co. Edwardian Diamond Crescent Brooch platinum/18k yellow gold, the brooch mounted with old European-cut and old single-cut diamonds weighing approximately 2.50 carats in total, signed "M & C

Diamond Wreath Form Brooch. Edwardian platinum-topped 14kt yellow gold laurel wreath brooch with bow form ribbon. Inlaid throughout with Old European cut and rose cut diamonds. Suspended to the interi

Victorian/Edwardian platinum and multicolor 14K gold, diamond and cultured pearl brooch. Stamped, "B14K". 11.7 grams. 1.875"L, Circa - Late 19th - Early 20th C. PROVENANCE: James Robinson, New York. F

JEWELRY: Edwardian Pearl & Diamond Circle Brooch, tested 18K yellow gold and platinum Edwardian circle brooch with diamond bow. Consisting of 22 pearls set into the circle portion of the brooch, measu