All

21086 - Edwardian Marcus Platinum Gold Wreath Pin

43330 - Art Nouveau Platinum Gold Diamond Pearl Enamel Necklace

901724 - Platinum Grooved Wedding Band

94422 - Cerro Platinum AGL Kashmir Sapphire Diamond 3 Stone Ring

24054 - Art Deco Platinum Diamond Sapphire Crystal Pin

901713 - Art Deco Platinum GIA Diamond Engagement Ring

23126 - Circa 1949 Oscar Heyman Bailey Banks Biddle Platinum Diamond Pin Clips

53835 - Retro Gold Platinum Diamond Sapphire Earrings

53829 - Cerro Platinum AGL Kashmir Sapphire GIA Diamond Cluster Floral Earrings

45009 - Platinum Diamond Sapphire Floral Swirl Pendant Necklace

72612 - Circa 1960 Gubelin Gold Platinum AGL Ceylon Sapphire Diamond Bracelet

73509 - Circa1970 Schlumberger Tiffany Gold "X" Diamond Bracelet

21800 - SOLD - Retro Tiffany Gold Platinum Diamond Sapphire Scroll Ribbon Clip Pin

901567 - Gold GIA 10 ct Jadeite Pave Diamond Ring

901500 - Platinum Gold AGL Colombian 10 ct Emerald Diamond Ring

900459 - Platinum AGL Burma Ruby Diamond Cluster Ring

900445 - Cerro Platinum Gold AGL Emerald GIA Asscher Cut Diamond Ring

52497 - Platinum GIA 20CT Diamond Filigree Stud Earrings

23981 - Trabert & Hoeffer-Mauboussin Gold Platinum Diamond Sapphire Reflection Pin

23957 - Platinum Gold Diamond Ruby Carved Branch Floral Pin

23772 - Art Deco Platinum Diamond Black Onyx Bow Pin

23128 - Circa 1940 Platinum Diamond Emerald Ribbon Pin

22173 - Circa 1950 Ostier Platinum Diamond AGL Burma Ruby Flower Pin

22018 - Art Deco Platinum Diamond Filigree Spread Center Pin

21267 - Art Deco Platinum French Cut Diamond Bar Pin

20504 - Art Deco Platinum Diamond Filigree Bar Pin

20224 - Edwardian Platinum Gold Diamond Floral Pendant Brooch

72708 - Art Deco Platinum Diamond Wood Bangle Bracelet

72606 - Circa 2005 De Vroomen Platinum Aqua Diamond Bangle Bracelet

72097 - Art Deco Tiffany Platinum Diamond Bracelet

71839 - Edwardian Platinum Black Onyx GIA Natural Pearl Bracelet

70661 - Art Deco Circa 1938 Trabert & Hoeffer-Mauboussin Reflection Platinum Diamond Bracelet

70254 - Circa 1940s Art Deco Palladium GIA Jadeite Diamond Bracelet

61109 - Art Deco Marcus C H Meylan Cresarrow Platinum Diamond Sapphire Watch

52983 - Circa 1950s Platinum Diamond Ribbon Earrings/ Pin Clips

52742 - Circa 1950 Diamond Pinwheel Drop Earrings

52488 - Edwardian Platinum 8 CT Diamond Stud Earrings

45020 - Gold AGL Sapphire Emerald Pendant

43852 - Gold Turquoise Diamond White Enamel Pendant

43633 - SOLD - Platinum Diamond Cluster Pendant And Necklace

97925 - Art Deco Platinum Sapphire Diamond 3 Stone Gents Ring

97457 - Circa 1960s Staal Platinum Gold South Sea Pearl Diamond Ring

95047 - Platinum GIA Diamond Filigree 3-Stone Ring

93876 - Platinum GIA Diamond Engagement Ring

93762 - Platinum GIA Diamond Tapered Baguette Engagement Ring

91148 - Circa 1950 Gold Amethyst Diamond Pearl Cluster Ring

901576 - Gold Platinum GIA Diamond Cocktail Ring

901284 - Circa 1950 Platinum GIA Diamond Cocktail Ring

901031 - Platinum Gold AGL Sapphire Diamond 3-Stone Ring

900773 - Tiffany Platinum GIA Diamond Solitaire Engagement Ring