1. Topaz and diamond clasp, 1820s

2. Diamond ring, circa 1800

3. Topaz and diamond clasp, 1840s

4. Carlo Giuliano

Sapphire, enamel and diamond brooch, late 19th century

5. Rock crystal, sapphire and diamond jabot pin, circa 1910

6. Amethyst and diamond brooch, circa 1910

7. Sapphire bracelet, circa 1938

9. Herz-Belperron

Pair of ear clips

10. Bulgari

Citrine necklace, 1970s

11. Sapphire cigarette case

12. Cartier

Bracelet, circa 1973

13. Bulgari

Pair of diamond ear clips, 'Trika', 1990s

14. Bulgari

Necklace

15. Bulgari

Demi-Parure, 'Trika', 1990s

16. Attributed to Wilhelm Schmidt

Opal cameo brooch

18. Graff

Coloured diamond and diamond necklace

20. Diamond bracelet

21. Moonstone and diamond bracelet, early 20th century

22. Diamond line necklace

23. Diamond double-clip brooch, 1930s

24. Cartier

Sapphire and diamond clip brooch, 1930s

27. Pair of natural pearl and diamond earrings, early 20th century composite

28. Natural pearl, seed pearl, ruby, enamel and diamond necklace, early 20th century

29. Pink topaz, emerald, pearl and diamond necklace, late 19th century

30. Topaz parure, 1830s

32. Ruby, sapphire and diamond brooch, 1940s

33. Gem set and diamond brooch, mid 20th century

34. Pair of emerald and diamond ear clips

35. Chopard

Diamond bracelet, 'Cašmir'

36. Van Cleef & Arpels

Pair of yellow sapphire, emerald and diamond ear clips

38. Emerald and diamond necklace

40. Cartier

Pair of diamond earrings

42. Cartier

Pair of onyx and diamond earrings

45. Graff

Pair of emerald and diamond earrings

46. Van Cleef & Arpels

Sapphire, emerald and diamond brooch, 1960s

47. Kutchinsky

Coral, enamel, chrysoprase and diamond brooch, 1960s

48. Nardi, attributed to | Gem-set and diamond ring, 1960s

49. Graff

Pair of ruby and diamond earrings

50. Diamond ring, 1930s

53. Diamond ring

55. Tsavorite garnet, ruby and enamel brooch

56. Aquamarine and diamond ring

57. Peridot and diamond bracelet

58. Cusi

Jadeite necklace

60. Georges Braque

Brooch, 'Teree', 1960s

61. Pair of coral, ruby and diamond earrings

62. Diamond ring

64. Boucheron

Ruby and diamond bracelet, 1977