All

902368 - Platinum Aqua Sapphire Dinner Ring

54511 - Platinum Gold Diamond Pearl Cluster Shield Design Earrings

31386 - Circa 1950s Platinum Gold Sapphire 3-Piece Round Shirt Studs

45670 - Gold Platinum Pink Sapphire Diamond White Enamel Cluster Pendant Necklace

45669 - Gold Platinum Pink Sapphire Diamond White Enamel Cluster Pendant Necklace

31404 - Edwardian Gold Platinum Baroque Pearl Diamond Stick Pin

902335 - Platinum Gold GIA Jadeite Diamond Black Enamel Dinner Ring

91398 - Circa 1950 Platinum Diamond Pink Tourmaline Wire Shank Ring

54493 - Platinum Gold Aqua Diamond Swirl Pear Shaped Drop Earrings

24279 - Circa 1950s Platinum Gold Diamond Ruby Bow Pin

45665 - Platinum AGL Pink Sapphire Diamond Double Row Cluster Pendant Necklace

73986 - Retro Platinum Gold Diamond Blue Zircon Green Tourmaline Pearl Bracelet

54500 - Webb Gold Platinum Diamond Hammered Finish Earrings

54492 - Platinum Gold Aqua Diamond Swirl Design Kite Drop Earrings

902352 - Art Deco Black Starr & Frost Platinum GIA Diamond Carved Engagement Ring

73982 - Art Deco C.D. Peacock Platinum Diamond Geometric Bracelet

45406 - Platinum Diamond Merry Widow Pendant Necklace

31385 - Art Deco Platinum Gold Cabochon Sapphire Diamond Octagonal Cuff Links

31384 - Art Deco Wordley, Allsopp & Bliss Co. Platinum Gold Black Enamel Stippled & Etched Round Cuff Links

97425 - Platinum Asscher Cut Gia Diamond 4-Prong Solitaire Engagement Ring

902325 - Edwardian Gold Platinum AGL Pink Sapphire Diamond Cocktail Ring

61390 - Circa 1953 Elgin Platinum Diamond Rectangular Black Cord Watch

73979 - Circa 1990s Tiffany Schlumberger Gold Platinum Diamond Hands Link Bracelet

45660 - Art Deco Platinum Diamond Emerald Circle Bow Pendant Necklace

45607 - Platinum Diamond Tiered Octagonal Merry Widow Pendant

73966 - Art Deco Platinum Diamond Millgrain Straight Line Block Bracelet

902337 - Circa 1950 Platinum Diamond Tiered Ribbon Cocktail Ring

73965 - Art Deco Platinum Diamond Millgrain Chased Block Bracelet

73964 - Art Deco Platinum Diamond Millgrain Chased Block Bracelet

51798 - Platinum On Gold Filigree Basket 8-Prong Earrings

50418 - Platinum Filigree Basket Stud Earrings

23951 - Platinum Diamond French "Dufour" Art Deco Tutti Frutti Pin

902344 - Circa 1950 Platinum Diamond 5-Stone Fishtail Wedding-Band Ring

902348 - Platinum Diamond Eternity Ring

73947 - Platinum Sapphire Straight Line Bracelet

902329 - Platinum Gold GIA Diamond Engagement Ring

45616 - "Cerro" Platinum Diamond GIA Carved Jadeite Pendant Necklace

902313 - Circa 1940s Oscar Heyman Platinum Diamond Emerald Spray Wave Cocktail Ring

902323 - Platinum AGL Sapphire Diamond Engagement Ring

31381 - Art Deco Platinum Gold Diamond Red & Black Enamel Mirrored Round Compact

24272 - Art Deco Platinum Diamond Onyx Frosted Crystal Hexagonal Pin

902332 - SOLD - Platinum Calibre Ruby Eternity Ring

902333 - Platinum Calibre Ruby Eternity Ring

902314 - Cerro Legacy Platinum GIA Diamond Open Work Airline Chased Engagement Ring

902331 - Platinum Diamond Sapphire Eternity Ring

902330 - Circa 1950 Maurice Tishman Platinum Diamond Wedding Band

902324 - Circa 1950s Maurice Tishman Platinum Diamond Floral Wedding Band

902317 - Barnett Robinson Platinum Gold Sapphire Diamond Starburst Cluster Ring

902310 - Cerro Platinum GIA Cushion Diamond Legacy Engagement Ring

54471 - Platinum Gold AGL Pink Sapphire Diamond Cluster Earrings