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

3,953 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.

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  1. 0.50 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835632908$102
  2. 0.50 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG835605486$99
  3. 0.69 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG835605488$132
  4. 0.56 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835605498$111
  5. 0.87 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG836611870$215
  6. 0.76 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG836611874$188
  7. 0.96 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG830692048$206
  8. 0.95 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG830692045$236
  9. 0.92 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG831655985$275
  10. 0.91 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG830692047$199
  11. 0.9 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG835672044$223
  12. 0.52 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG833681038$189
  1. 0.51 Carat Marquise Lab-Grown Diamond, I SI1, IGI LG414082005$307
  2. 0.53 Carat Marquise Lab-Grown Diamond, I VS1, IGI LG407932219$353
  3. 0.54 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG414059519$360
  4. 0.53 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG407941507$353
  5. 0.93 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG631459741$216
  6. 0.90 Carat Marquise Lab-Grown Diamond, D IF, IGI LG715597499$272
  7. 0.83 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG655412080$230
  8. 0.59 Carat Marquise Lab-Grown Diamond, D IF, IGI LG657420217$188
  9. 0.68 Carat Marquise Lab-Grown Diamond, D IF, IGI LG660435735$211
  10. 0.59 Carat Marquise Lab-Grown Diamond, D IF, IGI LG670433095$188
  11. 0.62 Carat Marquise Lab-Grown Diamond, E IF, IGI LG674552423$241
  12. 0.74 Carat Marquise Lab-Grown Diamond, D IF, IGI LG675562433$305
  13. 0.64 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG678546535$207
  14. 0.53 Carat Marquise Lab-Grown Diamond, D IF, IGI LG732534476$216
  15. 0.50 Carat Marquise Lab-Grown Diamond, E IF, IGI LG732534479$183
  16. 0.92 Carat Marquise Lab-Grown Diamond, D IF, IGI LG739503166$251
  17. 0.95 Carat Marquise Lab-Grown Diamond, D FL, GIA 1533533643$4,060
  18. 0.94 Carat Marquise Lab-Grown Diamond, D FL, GIA 6502862423$4,019
  19. 0.54 Carat Marquise Lab-Grown Diamond, H VS2, IGI LG436044303$378
  20. 0.53 Carat Marquise Lab-Grown Diamond, H VS2, IGI LG436045350$371
  21. 0.59 Carat Marquise Lab-Grown Diamond, H VS2, IGI LG436045353$410
  22. 0.57 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436045402$378
  23. 0.53 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436045410$353
  24. 0.54 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436045411$360
  25. 0.51 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG436045412$375
  26. 0.50 Carat Marquise Lab-Grown Diamond, H VS2, IGI LG436045416$351
  27. 0.51 Carat Marquise Lab-Grown Diamond, H VVS2, IGI LG436045420$393
  28. 0.56 Carat Marquise Lab-Grown Diamond, H VS2, IGI LG436045435$391
  29. 0.52 Carat Marquise Lab-Grown Diamond, H VVS2, IGI LG436045851$400
  30. 0.55 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG436047187$403
  31. 0.70 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436047188$528
  32. 0.52 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG436047196$382
  33. 0.51 Carat Marquise Lab-Grown Diamond, I VS1, IGI LG436047200$342
  34. 0.54 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436047202$360
  35. 0.51 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436047203$342
  36. 0.52 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG436047206$382
  37. 0.52 Carat Marquise Lab-Grown Diamond, H VS2, IGI LG436047404$365
  38. 0.56 Carat Marquise Lab-Grown Diamond, I VS2, IGI LG436047406$353
  39. 0.72 Carat Marquise Lab-Grown Diamond, H VS2, IGI LG436047408$640
  40. 0.50 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG436047411$370
  41. 0.50 Carat Marquise Lab-Grown Diamond, I SI1, IGI LG436047412$301
  42. 0.51 Carat Marquise Lab-Grown Diamond, I VS1, IGI LG436047414$342
  43. 0.54 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436047415$360
  44. 0.50 Carat Marquise Lab-Grown Diamond, H VS2, IGI LG436047416$351
  45. 0.54 Carat Marquise Lab-Grown Diamond, I SI1, IGI LG436047417$323
  46. 0.52 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG436047419$382
  47. 0.52 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436047591$347
  48. 0.71 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436047593$535
  49. 0.70 Carat Marquise Lab-Grown Diamond, I SI1, IGI LG436047594$504
  50. 0.50 Carat Marquise Lab-Grown Diamond, H VS2, IGI LG436047595$351
  51. 0.55 Carat Marquise Lab-Grown Diamond, H VS2, IGI LG436047596$384
  52. 0.60 Carat Marquise Lab-Grown Diamond, H VVS2, IGI LG436047597$456
  53. 0.60 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436047600$396
  54. 0.50 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436047602$335
  55. 0.50 Carat Marquise Lab-Grown Diamond, H VVS2, IGI LG436047604$386
  56. 0.50 Carat Marquise Lab-Grown Diamond, H VS2, IGI LG436071995$351
  57. 0.50 Carat Marquise Lab-Grown Diamond, H VS2, IGI LG436072005$351
  58. 0.60 Carat Marquise Lab-Grown Diamond, H VVS2, IGI LG436072200$456
  59. 0.51 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG436072201$375
  60. 0.51 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG436072204$375