1. Diamond ring, early 20th century

2. Diamond necklace, circa 1900

3. Jadeite and diamond pendant, 1920s

4. Rock crystal and diamond brooch, 1930s

5. Diamond ring

6. Amethyst brooch, 1940s

7. Two diamond brooches, 1890s

8. Carlo & Arthur Giuliano

Enamel, fire opal, tourmaline and sapphire necklace, circa 1895

9. Sapphire and diamond brooch, late 19th century/early 20th century

10. Diamond brooch, circa 1900

11. Ruby, sapphire and diamond brooch, 19th century

12. Diamond brooch, late 19th century

14. Diamond bangle

15. Natural pearl and diamond necklace

16. Turquoise and diamond brooch, late 19th century

17. Tiara and brooch, 1910s

18. Cartier

Pair of diamond earrings, 'Himalia'

19. Cartier

Diamond demi parure, 'Agrafe'

20. de Grisogono

Diamond demi-parure

21. Chopard | de Grisogono

Diamond watch, 'Ice Cube'

22. de Grisogono

Ruby and diamond bangle

23. Peridot and diamond ring, 2016

24. Van Cleef & Arpels

Lapis lazuli and white coral necklace and a lapis lazuli and diamond brooch, 1970s

25. Cartier

Cartier | Pair of turquoise ear clips, 1950s || Turquoise ring

26. Van Cleef & Arpels

Gem set and diamond brooch 'Chat Malicieux', circa 1959

27. Tiffany & Co.

Ruby and diamond parure, 1940s

28. Ruby and diamond brooch, 1940s

29. Van Cleef & Arpels

Interchangeable pendant

32. Cartier

Pair of sapphire cufflinks, 1960s

33. Cartier & Bulgari

Collection of objects

34. Colombian emerald and diamond ring

35. Diamond ring

36. Diamond and coloured diamond brooch, 1950s

37. Bulgari

Diamond necklace, 'Trika'

38. Diamond ring

39. Diamond demi-parure

40. Ruby and diamond ring

41. Tiffany & Co.

Necklace

42. Ghiso

Sapphire, ruby and diamond brooch/earrings, 1940s

43. Diamond ring

44. Mario Buccellati

Diamond bangle, 'Tulle Broccato'

45. Diamond double clip brooch, 1950s

46. Sapphire and diamond dress set

48. Diamond pendant

49. Pair of diamond earrings

50. Kunzite and diamond ring

51. Pair of ruby and diamond earrings

53. Diamond parure