JEWELRY: Platinum diamond brooch by Frank Walter Lawrence, tested platinum mounting with 14K yellow

JEWELRY: Platinum diamond brooch by Frank Walter Lawrence, tested platinum mounting with 14K yellow gold pin stem, rectangular hand pierced design, center set with one marquise cut diamond, approximat

three old mine and 16 old European cut diamonds estimated total weight 1.35cts., H-I, SI to I, top of mounting tested platinum, stamped "14K", yellow gold, 1/2 x 3-1/8 in., 7.9 gramsÿ - Provenance: A

JEWELRY: Woman's platinum emerald and diamond ring, mounting marked "10% Irid. Plat." tested platinum with 14K yellow gold center crown, swirl design top, center set with one pear shape, faceted, medi

Cultured Pearl, Diamond, Platinum-Topped, 14k Yellow Gold Jewelry Suite. Including one freshwater pearl, diamond, platinum-topped circle brooch measuring approximately 27 mm together with a cultured p

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

JEWELRY: Pink tourmaline and diamond ring, tested 14K yellow gold and platinum, with one claw- set emerald cut pink tourmaline center stone measuring 8.4 x 7.5 mm, (estimated weight of 2.68 carats) he

Bar brooch: Eagle's head hallmark / C (insect) C Including an antique platinum topped 14k yellow gold stylized circle brooch set with two round rubies, multiple rose-cut diamonds and two old mine-cut

A PLATINUM-TOPPED-GOLD AND DIAMOND BROOCH • Platinum and 14k yellow gold • 49 old-mine cut diamonds weighing approximately 2.75 carats total • Measures 2 x 2 1/8 in. • Estimate

JEWELRY: Edwardian platinum diamond bar pin, tested platinum with 14K white gold pin stem, filigree design set with seven old European cut diamonds, light wear consistent with age and use, approximate

A PLATINUM TOPPED-GOLD AND DIAMOND PENDANT BROOCH • Platinum and 14k yellow gold • Numerous old European-cut diamonds weighing approximately 2.30 carats total • Measures 3 3/4 in. &#

Collection of Emerald, Diamond, Platinum, 14k Yellow Gold Jewelry. Including one ring featuring three emerald-cut emeralds weighing a total of approximately 1.10 cttw., accented by two baguette-cut di

A GROUP OF PLATINUM-TOPPED GOLD, BI-COLOR GOLD, SAPPHIRE AND DIAMOND BROOCHES • Platinum, 14k white gold, 18k yellow gold • 5 old European-cut, 1 old-mine cut and numerous rose-cut diamond

JEWELRY: 14K Diamond Engagement Ring, mounting: Tested 14K yellow gold "Fingermate" expandable shank with four-prong white gold illusion crown. Finger size in closed position: 6 ¼, Total weight

METAL: platinum, 14k gold. GEMSTONES: diamond-approx. 0.13ct. MEASUREMENTS: brooch is 63mm long x 10.5mm at widest point. MARKED/TESTED: platinum,14K. WEIGHT: 3.7 grams.Gemstones have not been graded

JEWELRY: Antique Carnelian, Pearl and Diamond Brooch, mounting: tested 18K yellow gold with silver back and settings, diameter: 1 5/8" x 1 ½", oval hardstone cameo surrounded by seed pearls and diamo

JEWELRY: Art Deco platinum diamond and carnelian bracelet, open design link bracelet, tested platinum with 14K white gold fold over clasp and safety chain, four open links with leaf motif, set with 14

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

ANTIQUE ART DECO 14K YELLOW GOLD, PLATINUM, DIAMOND, AND SAPPHIRE LADY'S RING, possibly converted to a ring from another piece of jewelry, featuring a diamond-form pierced platinum top having a ce

JEWELRY: Diamond watch pendant, tested platinum over stamped yellow gold pendant watch with open face, white dial with black Arabic numerals, and gold hour markers, Agassiz Swiss movement, 17 jewels,

Designed as trailing leaves and flowers, accented by seventy-one old European-cut diamonds weighing a total of approximately 1.42 cttw. set in a platinum topped, 14k yellow gold back mounting suspende

Diamond, Platinum, 14k Yellow Gold RingFeaturing numerous round-cut diamonds weighing a total of approximately 1.10 cttw., set in a by-pass style platinum, 14k yellow gold ring mounting, size 5 1/4. G

A vintage platinum over 14K yellow gold jewelry ring. The ring is encrusted with cut diamonds. Marked with a standard Gold hallmark and other Assay marks. Circa: 20th century. presented in a box. Tota

JEWELRY: 14K Jade Butterfly Brooch, mounting: stamped and tested 14K yellow gold, butterfly frame with antennae, dimensions: 1 5/8" x 1 3/8", set with two carved, mottled green and gray jadeite jade w

METAL: 14K gold, platinum. GEMSTONES: diamonds, pearls. MEASUREMENTS: brooch is 35mm long x 40mm at widest point. TESTED: 14K, platinum. WEIGHT: 5.7 grams. Gemstones have not been graded for color and