2.5 Carat Marquise Lab-Grown Diamonds

Shop certified 2.5 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 2.5 Carat Marquise Lab-Grown Diamonds

6,653 certified 2.5 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.

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  1. 2.5 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849676650$1,122
  2. 2.52 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850672412$669
  3. 2.93 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855621383$531
  4. 2.50 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851660264$458
  5. 2.50 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854601477$449
  6. 2.57 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG854647296$748
  7. 2.81 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG854647417$682
  8. 2.70 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG854647422$578
  9. 2.80 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849674213$862
  10. 2.58 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG854615530$529
  11. 2.52 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG854615533$518
  12. 2.51 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG854615534$517
  1. 2.91 Carat Marquise Lab-Grown Diamond, E IF, IGI LG629454432$4,308
  2. 2.58 Carat Marquise Lab-Grown Diamond, D IF, IGI LG734519351$3,550
  3. 2.83 Carat Marquise Lab-Grown Diamond, G IF, GIA 2498921120$6,921
  4. 2.84 Carat Marquise Lab-Grown Diamond, D IF, GIA 6492920900$7,927
  5. 2.51 Carat Marquise Lab-Grown Diamond, F IF, IGI LG619446755$1,601
  6. 2.51 Carat Marquise Lab-Grown Diamond, E IF, IGI LG658477011$1,095
  7. 2.96 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG665454597$753
  8. 2.96 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG667449099$753
  9. 2.96 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG668439032$753
  10. 2.97 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG673429163$1,281
  11. 2.58 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG700513816$2,632
  12. 2.99 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG700585308$556
  13. 2.84 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG711522103$790
  14. 2.53 Carat Marquise Lab-Grown Diamond, D IF, IGI LG712530517$2,028
  15. 2.58 Carat Marquise Lab-Grown Diamond, D IF, IGI LG713526657$1,628
  16. 2.50 Carat Marquise Lab-Grown Diamond, D IF, IGI LG715502913$2,334
  17. 2.63 Carat Marquise Lab-Grown Diamond, E IF, IGI LG715537862$4,526
  18. 2.94 Carat Marquise Lab-Grown Diamond, E SI1, IGI LG717558599$528
  19. 2.70 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG719515677$2,570
  20. 2.51 Carat Marquise Lab-Grown Diamond, D IF, IGI LG719519166$2,136
  21. 2.73 Carat Marquise Lab-Grown Diamond, D IF, IGI LG723536088$4,571
  22. 2.61 Carat Marquise Lab-Grown Diamond, D FL, IGI LG724509425$4,393
  23. 2.89 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG724518493$2,684
  24. 2.86 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG726519029$697
  25. 2.83 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG726524283$657
  26. 2.85 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG726548097$704
  27. 2.57 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG726571297$697
  28. 2.62 Carat Marquise Lab-Grown Diamond, E IF, IGI LG728525069$1,226
  29. 2.90 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG728556373$1,325
  30. 2.88 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG729536066$799
  31. 2.79 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG729580410$682
  32. 2.87 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG729593261$753
  33. 2.86 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG729594487$697
  34. 2.74 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG732513206$2,545
  35. 2.98 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG733505524$1,306
  36. 2.88 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG733540458$711
  37. 2.91 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG733588467$763
  38. 2.84 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG734516437$701
  39. 2.82 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG734517048$697
  40. 2.85 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG734531828$661
  41. 2.87 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG734532450$1,259
  42. 2.87 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG734532755$700
  43. 2.90 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG734536557$694
  44. 2.87 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG734538662$700
  45. 2.59 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG735509128$904
  46. 2.50 Carat Marquise Lab-Grown Diamond, D IF, IGI LG735522053$2,167
  47. 2.6 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG735530880$1,033
  48. 2.97 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG735531035$1,357
  49. 2.83 Carat Marquise Lab-Grown Diamond, E IF, IGI LG735565017$1,879
  50. 2.78 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG735569644$687
  51. 2.90 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG735576055$1,325
  52. 2.90 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG735578276$729
  53. 2.92 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG735578895$743
  54. 2.88 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG735579476$711
  55. 2.89 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG735579527$638
  56. 2.88 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG735580972$658
  57. 2.98 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG735589005$1,347
  58. 2.83 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG735589486$657
  59. 2.94 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG735590758$770
  60. 2.86 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG735596256$664