Mid Century Platinum 18k Gold Diamond Brooch Pin

Mid century platinum and 18k yellow gold brooch with rose cut and old mine cut diamonds. Center diamond approx. 0.21ct, surrounding diamonds approx. 1.60ctw. Brooch is 48mm x 38mm. Tested: Plat, 18k.

METAL: 18k Gold. MEASUREMENTS: Brooch is 40mm x 35mm. GEMSTONES: Diamonds approx. 1.80ctw. TESTED: 18k. WEIGHT: 14.2 grams.Gemstones have not been graded for color and clarity ,and tested for clarity

METAL: 18k Gold. GEMSTONES: Diamonds, Ruby, Lapis Chrysoprase. MEASUREMENTS: Brooch is 50mm x 40mm. MARKED/TESTED: Gold punch mark/18k. WEIGHT: 20 grams.Gemstones have not been graded for color and cl

METAL: 18k Gold. MEASUREMENTS: Brooch is 75mm x 35mm. GEMSTONES: Diamonds approx. 2.50-2.70ctw. TESTED: 18k. WEIGHT: 22.8 grams.Gemstones have not been graded for color and clarity ,and tested for cla

This is a vintage Mid Century 18K gold floral spray brooch pin featuring clusters of sapphires and diamonds (VS clarity and IJ color). 1 7/8 x 3/4". It weighs 19g. The sapphires are each 2.3mm. The to

18k yellow white gold mid century brooch pin, se with sapphires, rubies and approx. 0.35ctw in diamonds. Brooch measures - 57mm x 55mm. Tested: 18k. Weight - 18.8 grams.

ED WIENER 18K Gold Hand Wrought Diamond Brooch Pendant Pin. Large sculptural modernist brooch with 5 faceted prong set diamonds and large set opal center stone. Mid century hand crafted studio jewelry

Hand made in Italy, circa 1950's. Crafted in 18k white. This piece is suited with a single hinged stem pin bar with a locked. Set with genuine 11 green Colombian Emeralds Approx. 0.80 carats. Accented

Mid century circa 1950s, 18k yellow gold brooch with 1.05ctw in blue sapphires and approx. 0.88ctw in diamonds. Brooch is 70mm x 35mm. Marked: 18k. Weight - 23.8 grams.

METLA: Platinum/ Gold stem/hardware. MEASUREMENTS: Brooch is 44mm x 30mm. GEMSTONES: Diamonds - approx. 73 stones, mix of rose cut and old mine old Euro. TESTED: Plat/Gold. WEIGHT: 10.9 grams.Gemstone

METAL: Platinum. MEASUREMENTS: Brooch is 58mm x 34mm. Center stone is missing, center will fit approx. 6.5mm stone. GEMSTONES: Diamonds approx. 3.00ctw. TESTED: Plat top/ Gold back. WEIGHT: 15.7 grams

This is a vintage 18K gold Mid Century Modern brooch pin rendered in fine 18K gold and accented with round brilliant cut diamonds. The diamonds are VS clarity and IJ color. It measures 2 1/8 x 2" and

Title: 8.80ctw Natural Emerald Heavy 18k Gold 2.50ctw Fine Diamond Midcentury Floral Motif Brooch or Pendant Description: Genuine midcentury 18k gold floral motif brooch featuring a large cluster of r

Natural Australian Opal Emerald Diamond 18k Gold Pin Large Carved Flower Midcentury Brooch Description: I wish you could see this in person because it is sooooo much prettier than the pics! The large

a whimsical mid-century pin signed K.L., cabochon ruby and 13 round diamonds in nose, emerald eye, 2" X 1 1/2", 17.1 grams.

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

METAL: 18k Gold/ Platinum. MEASUREMENTS: Earrings are 36mm x 15mm. GEMSTONES: Diamonds - approx. 3.30-3.50ctw. TESTED: Plat/18k. WEIGHT: 13.2 grams.Gemstones have not been graded for color and clarity

METAL: Platinum/ 18k Gold. MEASUREMENTS: Brooch is 69mm x 21mm. Chain is 3.75" long (with safety pin). TESTED: Plat top/ 18k gold. WEIGHT: 13.9 grams.Gemstones have not been graded for color and

Mid century platinum drop brooch, with approx. 1.77ctw SI2/G-H diamonds. Brooch measures 38mm x 30mm. Weight - 7.2 grams.

METAL: Platinum/18k Gold. GEMSTONES: Old mine cut diamonds approx. 0.46-0.50ctw. Emerald (stone is chipped). MEASUREMENTS: Ring size 7, ring top is 7.3mm at widest point. TESTED: Plat/18k. WEIGHT: 5.3

18k white gold mid century brooch featuring approximately 0.40ctw of diamonds. Brooch measures 52mm long x 30mm at widest point. Marked 750. Weight is 8.8 grams.

METAL: Platinum. GEMSTONES: Diamonds approx. 3.40ctw (one missing stone). MEASUREMENTS: Brooch is 38mm x 30mm. TESTED: Plat. WEIGHT: 13.6 grams.Gemstones have not been graded for color and clarity ,an

METAL: 18k Gold. MEASUREMENTS: Brooch is 60mm x 25mm. MARKED: Cartier Paris, Gold assay marks. WEIGHT: 17.5 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color

14k gold Mid century brooch, with approx. 1.50ctw in diamonds. Brooch is 46mm x 30mm. Marked: 14k. Weight - 7.5 grams.