A Platinum, Sapphire, and Diamond Circle Pin, 20th

set with a marquise dangle approx. 0.45 carats, and 33 round diamonds approx. 2.60 carats, total diamond weight 3.05 carats (in our opinion: F-G color, SI1-2 clarity, however not guaranteed), pin test

Sapphire and Diamond Pin - stones set in platinum .6 inches by 1.1 inches, cabochon sapphire is 4mm by 6 mm. weighs 8.9 grams. No hallmark but tested Please note that this lot has a confidential reser

Sapphire and Diamond Pin - stones set in platinum .6 inches by 1.1 inches, cabochon sapphire is 4mm by 6 mm. weighs 8.9 grams. No hallmark but tested Please note that this lot has a confidential reser

Crafted in platinum; centering a rectangular cut sapphire weighing approximately 2.50 carats; accented with 34 square- and rectangular-cut sapphires, weighing a total of approximately 2.80 carats; and

" A lovely, remarkably wearing tri-color sapphire and diamond brooch pin set in Platinum 950 is accentuated with oval sapphires and linked by over 1 carat marquise-shaped diamonds in a prong setting.

Platinum open circle brooch, set with baguette and round diamonds - approx. 2.40ctw. Brooch is 30mm in diameter. Marked: Maker's Mark Irid. Plat. Weight - 8.5 grams.

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

1.5 ct total weight, white gold with melee diamonds and sapphires with a diamond drop. 1.25" D

14K white gold circle with bead set single cut diamonds and channel set square cut blue sapphires, 3.0 dwt. Condition (Good). Size Dia. 1".

1.8 dwts.

This is a lot of three antique pins including a 10K gold sapphire and seed pearl crescent pin, a 14K white gold filigree diamond sapphire circle pin, and an Art Nouveau amethyst enamel filigree pin. T

-Platinum 1.75 ct. diamond and sapphire pin -Sapphire center stone 3/8 ct. -Overall condition is excellent, no surface wear or scratches -Estimated total diamond weight = 1.75 ctw -Approx. total weigh

Brooch measures 0.93" in diameter 14K Yellow gold Total diamonds and sapphire weight is 1ct Blue sapphires are clean high quality, Diamonds are clean VS diamonds Vintage, Pre-owned in excellent cond

Platinum diamond sapphire pin; frame tests platinum and is set with a 6x6mm cushion shaped blue sapphire in a flower, and additional small 1.0x1.0mm square calibre accent blue sapphires in a ribbon de

AN ART DECO RUBY, EMERALD, SAPPHIRE AND DIAMOND PIN BROOCH, EARLY 20TH CENTURY, POSSIBLY BY CARTIER in 18ct white gold, the pin terminated by concentric circular motifs articulated to rotate within on

Vintage Diamond Circle PinPlatinum pin with 2.48cttw diamonds. Color G-Clarity VS2. Diameter 1 1/4 inches (pin)From the Estate of Roberta Folonie Schuetz

Platinum double circle diamond pin/pendant. The pin is designed with a pair of intertwining circles set with diamonds. One is set with marquise cut diamonds in graduating size, the other is set with r

ART DECO PLATINUM, DIAMOND & SAPPHIRE BAR PIN set with 41 European cut diamonds approx. 1.70 carats, (center diamond approx. 0.75 carat, in our opinion: G-H color, I1 clarity, however not guaranteed),

11.4 grams total weight. With old European and mine cut diamonds, 15 total. 3.25 ct. total, largest diamond .38cts. VS - SI clarity and I-J-K color. Small chip on central diamonds. Top of pin platinum

Pin contains 26 OMC and OEC cut diamonds. Approximately 1.5 cts, TW 12.5 dwt.

Set with 9 round diamonds approx. 0.30 carats, and 2 square cut sapphire melee, overall head 20x15mm, tests platinum, (pin stem not platinum or gold), gross weight 2.5gms.

FC #914-JG00 VK Beautiful Art Deco Circa 1920 European Platinum Diamond & Sapphire Arrow Pin Imagine how wonderful this pin will look adorned on the lapel of your blouse, blazer or coat… May you poi

UDALL & BALLOU ART DECO PLATINUM, 18K GOLD, SAPPHIRE, AND DIAMOND BAR PIN / BROOCH, tested, marked "U&B", featuring 11 hexagonal-cut sapphires in slightly tapering sizes from 4.1 to 4.7 mm side to sid

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