3 Carat Marquise Lab-Grown Diamonds

Shop certified 3 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 3 Carat Marquise Lab-Grown Diamonds – Page 302

18,141 certified 3 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. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843643794$637
  2. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843672266$678
  3. 3.00 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG844618015$1,147
  4. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844649034$636
  5. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844649040$634
  6. 3.05 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG846695201$1,165
  7. 3.06 Carat Marquise Lab-Grown Diamond, D IF, IGI LG846695202$3,083
  8. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847651153$637
  9. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847651178$634
  10. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847651189$636
  11. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847651211$637
  12. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847662749$678
  13. 3.53 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849656445$584
  14. 3.02 Carat Marquise Lab-Grown Diamond, E SI1, IGI LG850630477$428
  15. 3.57 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851653312$694
  16. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG854611910$533
  17. 3.01 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG849621606$900
  18. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG855602213$528
  19. 3.20 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG856606863$480
  20. 3.80 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG848677113$596
  21. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850697475$689
  22. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG854603878$538
  23. 3.07 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG854613826$654
  24. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854613889$664
  25. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG854613893$640
  26. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG854647777$694
  27. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG854650446$647
  28. 3.09 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG854650463$658
  29. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854685918$666
  30. 3.41 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG854685937$701
  31. 3.09 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG854685940$658
  32. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854685941$679
  33. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854685943$676
  34. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG854685960$644
  35. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG854685962$641
  36. 3.55 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG855608020$729
  37. 3.58 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG855608025$757
  38. 3.07 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG855608047$654
  39. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855608052$676
  40. 3.08 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG855608053$655
  41. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG855608078$640
  42. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG855608084$651
  43. 3.08 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG855613286$858
  44. 3.54 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855622832$671
  45. 3.24 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855622833$601
  46. 3.93 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855622834$694
  47. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855623067$568
  48. 3.09 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG856621152$658
  49. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG856621153$659
  50. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG856621203$668
  51. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG856621204$668
  52. 3.59 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG856621250$787
  53. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG856621270$672
  54. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG856621276$679
  55. 3.08 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG856621277$655
  56. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG856626715$668
  57. 3.06 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG856626724$645
  58. 3.05 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG856626726$650
  59. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG856626753$680
  60. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG856626755$676