Under 1 Carat Marquise Lab-Grown Diamonds

Shop certified under 1 carat marquise lab-grown diamonds at William & Sons Jewelers. Every stone is graded by IGI or GIA, shown in 360°, priced below the big online retailers and ships free.

All Under 1 Carat Marquise Lab-Grown Diamonds – Page 38

3,561 certified under 1 carat marquise lab-grown diamonds in stock. Every stone ships free with its grading report; open any listing for the 360° view, full certificate and price.

  1. 0.74 Carat Marquise Lab-Grown Diamond, D fl, igi LG815641240$551
  2. 0.65 Carat Marquise Lab-Grown Diamond, D fl, igi LG821659891$474
  3. 0.49 Carat Marquise Lab-Grown Diamond, D if, igi LG743518052$263
  4. 0.49 Carat Marquise Lab-Grown Diamond, E if, igi LG746526766$250
  5. 0.49 Carat Marquise Lab-Grown Diamond, D if, igi LG798612254$263
  6. 0.49 Carat Marquise Lab-Grown Diamond, D fl, igi LG826672352$350
  7. 0.48 Carat Marquise Lab-Grown Diamond, E if, igi LG735524400$245
  8. 0.48 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG746507916$157
  9. 0.48 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG752518013$157
  10. 0.48 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG765633675$157
  11. 0.48 Carat Marquise Lab-Grown Diamond, D if, igi LG801659934$258
  12. 0.48 Carat Marquise Lab-Grown Diamond, D if, igi LG792609274$258
  13. 0.48 Carat Marquise Lab-Grown Diamond, D if, igi LG801699889$258
  14. 0.47 Carat Marquise Lab-Grown Diamond, D if, igi LG792615168$252
  15. 0.47 Carat Marquise Lab-Grown Diamond, D fl, igi LG817625561$336
  16. 0.45 Carat Marquise Lab-Grown Diamond, D if, igi LG805647148$242
  17. 0.45 Carat Marquise Lab-Grown Diamond, D if, igi LG826695389$242
  18. 0.44 Carat Marquise Lab-Grown Diamond, D if, igi LG735508332$236
  19. 0.44 Carat Marquise Lab-Grown Diamond, E if, igi LG741526818$224
  20. 0.44 Carat Marquise Lab-Grown Diamond, D fl, igi LG798612239$314
  21. 0.44 Carat Marquise Lab-Grown Diamond, D if, igi LG803617091$236
  22. 0.43 Carat Marquise Lab-Grown Diamond, D if, igi LG798612310$231
  23. 0.43 Carat Marquise Lab-Grown Diamond, D if, igi LG805678356$231
  24. 0.42 Carat Marquise Lab-Grown Diamond, D if, igi LG790698660$226
  25. 0.41 Carat Marquise Lab-Grown Diamond, D if, igi LG800638210$220
  26. 0.39 Carat Marquise Lab-Grown Diamond, D if, igi LG791635050$183
  27. 0.39 Carat Marquise Lab-Grown Diamond, D if, igi LG791635053$183
  28. 0.39 Carat Marquise Lab-Grown Diamond, D if, igi LG801659936$183
  29. 0.39 Carat Marquise Lab-Grown Diamond, D if, igi LG807610390$183
  30. 0.38 Carat Marquise Lab-Grown Diamond, D if, igi LG824611126$179
  31. 0.38 Carat Marquise Lab-Grown Diamond, D if, igi LG826695388$179
  32. 0.37 Carat Marquise Lab-Grown Diamond, D if, igi LG779651295$175
  33. 0.37 Carat Marquise Lab-Grown Diamond, D if, igi LG800666209$175
  34. 0.36 Carat Marquise Lab-Grown Diamond, D if, igi LG772695457$171
  35. 0.35 Carat Marquise Lab-Grown Diamond, D if, igi LG779628060$168
  36. 0.35 Carat Marquise Lab-Grown Diamond, D if, igi LG801699894$168
  37. 0.35 Carat Marquise Lab-Grown Diamond, D if, igi LG807666124$168
  38. 0.35 Carat Marquise Lab-Grown Diamond, D if, igi LG807610394$168
  39. 0.34 Carat Marquise Lab-Grown Diamond, D if, igi LG792609278$164
  40. 0.33 Carat Marquise Lab-Grown Diamond, D if, igi LG755513833$160
  41. 0.33 Carat Marquise Lab-Grown Diamond, D if, igi LG777611809$160
  42. 0.33 Carat Marquise Lab-Grown Diamond, D if, igi LG776686548$160
  43. 0.32 Carat Marquise Lab-Grown Diamond, D if, igi LG764669953$156
  44. 0.32 Carat Marquise Lab-Grown Diamond, D if, igi LG772695453$156
  45. 0.32 Carat Marquise Lab-Grown Diamond, D if, igi LG776676808$156
  46. 0.32 Carat Marquise Lab-Grown Diamond, D if, igi LG803617090$156
  47. 0.31 Carat Marquise Lab-Grown Diamond, D if, igi LG775609185$152
  48. 0.31 Carat Marquise Lab-Grown Diamond, D if, igi LG776676762$152
  49. 0.31 Carat Marquise Lab-Grown Diamond, D if, igi LG777624243$152
  50. 0.31 Carat Marquise Lab-Grown Diamond, D if, igi LG792609277$152
  51. 0.3 Carat Marquise Lab-Grown Diamond, D if, igi LG762555716$148
  52. 0.3 Carat Marquise Lab-Grown Diamond, D if, igi LG784660390$148
  53. 0.3 Carat Marquise Lab-Grown Diamond, D if, igi LG792615170$148
  54. 0.70 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG826635617$195
  55. 0.49 Carat Marquise Lab-Grown Diamond, E if, igi LG828642707$250
  56. 0.47 Carat Marquise Lab-Grown Diamond, E if, igi LG828642709$240
  57. 0.43 Carat Marquise Lab-Grown Diamond, D if, igi LG828685074$231
  58. 0.36 Carat Marquise Lab-Grown Diamond, D if, igi LG829608305$171
  59. 0.61 Carat Marquise Lab-Grown Diamond, FANCY VIVID BLUE VVS2, IGI LG830660921$203
  60. 0.39 Carat Marquise Lab-Grown Diamond, FANCY VIVID BLUE VVS1, IGI LG830660922$156