18k Yellow Gold Pin w/ Platinum Top w/ Sapphire

18k yellow gold pin with platinum top and 35pt sapphire and 6 euro cut diamonds, 16ptw, 2.875" length

18k yellow gold pin with platinum top with 3.5mm cultured pearl center, surrounded by 4 mine cut diamonds, 24ptw and 10 good rose cut diamonds, 3.5" length

14k yellow gold pin with platinum top with 0.5ct sapphire, 20ptw rose and euro cut diamonds, European marks not identified, 2.25" width

14KT YELLOW GOLD & DIAMOND PIN W/ PLATINUM TOP ~ 2.5" IN LENGTH, OPENWORK FILIGREE STYLE BAR PIN CONTAINING THREE ROUND BRILLIANT DIAMONDS (0.30CT TDW) 4.4 GRAMS TW, TOTAL APPRAISED VALUE - $2,670.00

Antique 18K Yellow Gold & Platinum Top Jabot Pin Weighing 4.5 grams set with 20 Diamonds weighing app. 0.25 Ct. Along with 4 Sapphires weighing app. 0.30 Ct. 2.25 inches in length

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

19th century German diamond, sapphire, enamel, 18k yellow gold and platinum brooch featuring the initial "W II " in 18k yellow gold and platinum set with (1) single cut and (9) rose cut diamonds, enha

Impressive large-sized Art-Deco ring, apparently made in France during the late 1920s, made of 18K Yellow Gold and platinum (the upper part only, with the gemstones set on top of it). Acid tested by t

This 1940s Vintage Cartier. Ruby & Diamond & Sapphire & Emerald Butterfly Brooch/Pin in 18K Yellow Gold features (7) pinkish-red round Rubies (3) green round Emeralds (5) blue round Sapphires and 29 r

18K yellow gold textured sea anemone brooch by Tiffany & Co, featuring 16 sapphires weighing approx 0.80 ctw, signed on back, traditional pin back, 1.5 in. W, 22.3 grams

David Webb 17.20ctw Emerald & Blue Sapphire, 13.50ctw VS1-VS2/F-G Diamond Solid Platinum/18K Yellow Gold One of a Kind Convertible Brooch/Pendant (Comes W/$300,000 Appraisal) - This immaculately craft

Tested as 18k - Cavalier & Lady design with enamel ware & 5 inset stones (2 rubies, 2 sapphires & 1 emerald) - 1.25" w, 6g - marked "260A" over an unreadable mark

18kt yellow gold shell pin with a spray of diamonds and blue sapphires, approx. .80 ct. tw., 2 1/8 in. long, 29.3 grams. New bidders to Smiths - payment for this lot must be made with cash, good check

Platinum, 18k, 14k and 10k yellow and white gold Including an 18k micromosaic floral bar pin with a French hallmark (2.0" W x 0.375" H), a group of 14k yellow gold jewely including a shell cameo broo

David Webb 3.50ctw Multi-Gemstone Cabochon, 1.25ctw VS1-VS2/F-G Diamond Solid 18K Yellow Gold/Platinum Ring W/Enamel Accents - This lovely ring was made by David Webb, and was finely crafted of solid

4.56ct GIA Certified No Heat Ruby, 2.00ctw VS2-SI1/G-H Diamond & Solid 18K Yellow Gold/Platinum Ring W/Maker's Mark (Comes W/$10,000 Appraisal) - This gorgeous ring was finely crafted of solid 18k yel

35.80ct Ametrine & Solid 18K Yellow Gold/Platinum Ring W/Diamond Accents - This beautiful ring was finely crafted of solid 18k yellow gold, and boasts a massive 35.80ct (approximate) genuine ametrine.

18k yellow gold pin w/diamonds and 9.33mm black pearl wt. 7.5g

SIGNED 10K YELLOW GOLD STICK PIN W/ SAPPHIRE - EXC. COND

Beautiful Art Deco Rosetta Ring crafted from 18k yellow Gold and Platinum on top, Set with a center natural Blue Sapphire Approx. 1.10 carats. Accented with Old mine Diamonds Approx. 1.15cts. I-J colo

Art Deco filigree Ring crafted from 18k yellow Gold and Platinum on top, featuring a center Round cut natural Sapphire Approx. 0.35 carats, accented by full cut Diamonds Approx. 0.20 carats. Weight: 4

David Webb 43.00ct Carved Emerald, 1.50ctw VVS2-VS1/F-G Diamond & Solid 18K Yellow Gold/Platinum Ring (Comes W/$60,000 Appraisal) - This beautiful and rare statement ring was made by David Webb, and w

David Webb 1.00ctw VS1-VS2/F-G Diamond, Enamel, and Solid 18K Yellow Gold/Platinum Tiger Brooch W/Emerald Accents - This beautiful tiger brooch was made by David Webb and features Webb's instantly rec

1.00ctw Diamond, Multi-Colored Enamel Solid 18K Yellow Gold & Platinum Beetle Brooch W/Moving Wings in Fitted Box - GUARANTEED FREE SHIPPING WILL ARRIVE BEFORE CHRISTMAS IF PAYMENT RECEIVED WITHIN 72