All

54469 - Platinum Gold Akoya Pearl Diamond Floral Leaf Earrings

54468 - Barnett Robinson Platinum Diamond Akoya & Tahitian Pearls Drop Earrings

50387 - Gold Platinum GIA Diamond Filigree Basket Stud Earrings

45643 - Barnett Robinson Platinum Diamond Tahitian Black Pearl Pendant

45633 - Italy Gold Diamond Platinum Rondel Black Onyx Necklace

902322 - Art Deco Gold Platinum Diamond Synthetic Sapphire Carved Open Work Dinner Ring

61389 - SOLD - Circa 1950s Rolex Platinum Diamond Gold Woven Link Adjustable Bracelet Watch

45641 - Platinum Diamond Tahitian Black Pearl Sliding Pendant Necklace

45634 - Italy Gold Platinum Diamond Pearl Necklace

45623 - Platinum Diamond Cabochon Amethyst Pagoda Pendant Necklace

24265 - Art Nouveau Edwardian Platinum Gold Diamond Pearl Floral Oval Pin

45592 - Circa 1950 Platinum Aqua Diamond Spray Pendant

91046 - Platinum Gold Diamond Antique-Style Solitaire Engagement Ring

73946 - Platinum Sapphire Channel Set Straight Line Bracelet

73938 - Circa 1960s Platinum Diamond Akoya Pearl 3-Row Swirl Ribbon Bracelet

54463 - Circa 1950s Gold Platinum Diamond Carved Flower Earrings

54446 - Platinum Diamond Jadeite Pi Disc Dangle Drop Earrings

45622 - Art Deco Circa 1940 Platinum Diamond Faceted Turquoise Floral Removable Pendant Necklace

24260 - Art Deco Gold Diamond Sapphire Filigree Bar Pin

902301 - Art Deco Platinum Diamond AGL Sapphire Square Tiered Cluster Ring

73952 - Circa 1940s Van Cleef & Arpels Platinum Gold Diamond Hollow Weave Link Bracelet

54461 - Platinum Diamond GIA Flexible Drop Dangle Earrings

54460 - Platinum Sapphire Heart Shape Stud Earrings

44800 - SOLD - Platinum Diamond Filigree Sautoir Necklace

54458 - Platinum Diamond Heart Shape Stud Earrings

45617 - Platinum Aqua Diamond Pear-Shape Pendant Necklace

45596 - Victorian Circa 1885 Platinum Gold Diamond Scroll Pin Pendant

45606 - Platinum Diamond Tiered Octagonal Merry Widow Pendant

902312 - Platinum AGL Sapphire (Montana) Diamond Engagement Style Ring

902306 - Platinum AGL Sapphire Montana Diamond Engagement Style Ring

73948 - Circa 1950 Oscar Heyman Platinum Diamond Emerald Wave Bracelet

54447 - Platinum Gold AGL Pink Sapphire Diamond Cluster Earrings

45614 - Platinum Gold Diamond Cabochon Emerald Pendant Necklace

45411 - Edwardian Platinum Diamond Sapphire GIA Natural Pearl Torsade & Belle Epoque Tassel Drop Pendant Necklace

97382 - Circa 1967 Oscar Heyman Platinum Diamond AGL Emerald Ballerina Ring

73934 - SOLD - Art Deco Circa 1920s Oscar Heyman Platinum Diamond Chased Straight Line Bracelet

54457 - Platinum Diamond Heart Shape Stud Earrings

54456 - Platinum Diamond Heart Shape Stud Earrings

91417 - Art Deco Platinum Diamond Filigree Chased 3-Stone Ring

902299 - Webb Gold Platinum Baroque Pearl Diamond Hammered Finish Cocktail Ring

73945 - Platinum Sapphire Channel Set Straight Line Bracelet

54440 - Platinum Diamond White Jadeite Pi Disc Dangle Drop Earrings

54439 - Platinum Diamond White Jadeite Pi Disc Dangle Drop Earrings

54438 - Platinum Diamond White Jadeite Pi Disc Dangle Drop Earrings

54437 - Platinum Diamond White Jadeite Pi Disc Dangle Drop Earrings

54436 - Platinum Diamond White Jadeite Pi Disc Dangle Drop Earrings

54435 - Platinum Diamond White Jadeite Pi Disc Dangle Drop Earrings

54202 - Platinum Diamond Tiered Octagonal Merry Widow Earrings

73936 - Platinum Gold Diamond Open Bar "X" & "O" Hugs Kisses Bracelet

97712 - Webb Platinum AGL Sapphire Diamond Cluster Ring