3 Carat Round Lab-Grown Diamonds

Shop certified 3 carat round 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 Round Lab-Grown Diamonds – Page 26

15,482 certified 3 carat round 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. 3.12 Carat Round Lab-Grown Diamond, D VVS1, IGI LG659434541$816
  2. 3.55 Carat Round Lab-Grown Diamond, E VS2, IGI LG667450757$561
  3. 3.11 Carat Round Lab-Grown Diamond, D IF, IGI LG675580709$1,028
  4. 3.02 Carat Round Lab-Grown Diamond, D IF, IGI LG675580723$1,000
  5. 3.31 Carat Round Lab-Grown Diamond, D VVS1, IGI LG681515651$788
  6. 3.17 Carat Round Lab-Grown Diamond, D IF, IGI LG681593709$945
  7. 3.20 Carat Round Lab-Grown Diamond, D IF, IGI LG683579367$1,053
  8. 3.07 Carat Round Lab-Grown Diamond, D IF, IGI LG685556113$917
  9. 3.61 Carat Round Lab-Grown Diamond, G VS2, IGI LG614330509$471
  10. 3.40 Carat Round Lab-Grown Diamond, F VS2, IGI LG620427632$513
  11. 3.81 Carat Round Lab-Grown Diamond, G VS2, IGI LG623475635$459
  12. 3.83 Carat Round Lab-Grown Diamond, G VS2, IGI LG623496123$461
  13. 3.83 Carat Round Lab-Grown Diamond, G VS2, IGI LG626421245$461
  14. 3.73 Carat Round Lab-Grown Diamond, E VS2, GIA 2507691135$1,057
  15. 3.10 Carat Round Lab-Grown Diamond, E VS2, GIA 6462137248$884
  16. 3.09 Carat Round Lab-Grown Diamond, F VS2, GIA 7486477257$884
  17. 3 Carat Round Lab-Grown Diamond, D SI2, IGI LG425057688$510
  18. 3.06 Carat Round Lab-Grown Diamond, E SI1, IGI LG534235182$546
  19. 3.12 Carat Round Lab-Grown Diamond, E SI1, IGI LG534247176$557
  20. 3.01 Carat Round Lab-Grown Diamond, E SI1, IGI LG534264923$537
  21. 3.05 Carat Round Lab-Grown Diamond, E SI1, IGI LG536287130$544
  22. 3.09 Carat Round Lab-Grown Diamond, E SI1, IGI LG536293055$552
  23. 3.08 Carat Round Lab-Grown Diamond, E SI1, IGI LG547256490$550
  24. 3.15 Carat Round Lab-Grown Diamond, E SI1, IGI LG550268611$562
  25. 3.02 Carat Round Lab-Grown Diamond, D SI1, IGI LG572347595$565
  26. 3.74 Carat Round Lab-Grown Diamond, G VS2, IGI LG636487044$455
  27. 3.8 Carat Round Lab-Grown Diamond, G VS2, IGI LG636489134$458
  28. 3.23 Carat Round Lab-Grown Diamond, D SI2, IGI LG497172238$609
  29. 3.01 Carat Round Lab-Grown Diamond, E SI1, IGI LG517285945$537
  30. 3.03 Carat Round Lab-Grown Diamond, E SI1, IGI LG526288070$541
  31. 3.61 Carat Round Lab-Grown Diamond, E SI1, IGI LG534226614$767
  32. 3.33 Carat Round Lab-Grown Diamond, E SI1, IGI LG536203790$594
  33. 3.31 Carat Round Lab-Grown Diamond, F SI1, IGI LG617440063$484
  34. 3.74 Carat Round Lab-Grown Diamond, F VS1, IGI LG625455141$595
  35. 3.19 Carat Round Lab-Grown Diamond, F VS2, IGI LG629441387$488
  36. 3.83 Carat Round Lab-Grown Diamond, G VS2, IGI LG636408740$466
  37. 3.77 Carat Round Lab-Grown Diamond, G VS2, IGI LG636469682$459
  38. 3.40 Carat Round Lab-Grown Diamond, F VS2, IGI LG636475430$513
  39. 3.56 Carat Round Lab-Grown Diamond, J VS2, IGI LG605341384$465
  40. 3.50 Carat Round Lab-Grown Diamond, F SI1, IGI LG625471190$470
  41. 3.03 Carat Round Lab-Grown Diamond, G VS2, IGI LG670419537$615
  42. 3.55 Carat Round Lab-Grown Diamond, E VS2, GIA 6471897130$2,184
  43. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG445024851$5,953
  44. 3.03 Carat Round Lab-Grown Diamond, J VS2, IGI LG468104729$6,490
  45. 3.01 Carat Round Lab-Grown Diamond, J SI2, IGI LG474113194$5,494
  46. 3.01 Carat Round Lab-Grown Diamond, J SI2, IGI LG474136067$5,494
  47. 3.50 Carat Round Lab-Grown Diamond, G SI1, IGI LG474141682$10,240
  48. 3.51 Carat Round Lab-Grown Diamond, G SI1, IGI LG474141709$10,269
  49. 3.00 Carat Round Lab-Grown Diamond, I SI1, IGI LG476158065$6,905
  50. 3.04 Carat Round Lab-Grown Diamond, G SI1, IGI LG476165271$8,926
  51. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG476185682$5,953
  52. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG476185684$5,953
  53. 3.00 Carat Round Lab-Grown Diamond, I SI1, IGI LG476186487$6,906
  54. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG476186905$5,953
  55. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG478110992$5,953
  56. 3.01 Carat Round Lab-Grown Diamond, J SI1, IGI LG478113400$5,971
  57. 3.16 Carat Round Lab-Grown Diamond, J SI1, IGI LG478113412$6,257
  58. 3.00 Carat Round Lab-Grown Diamond, J SI2, IGI LG480169692$5,475
  59. 3.09 Carat Round Lab-Grown Diamond, I SI1, IGI LG483197020$7,106
  60. 3.20 Carat Round Lab-Grown Diamond, J VS2, IGI LG485136498$6,842