Round|Lab Grown|IGI

1.51ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG837628424

Certificate IGI LG837628424

Diamond specifications and retailer prices

From $502 USD
As of October 29, 2026
Save $4,348 USD (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,850 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837628424 or 837628424. Listed at 24 retailers as of October 29, 2026, with prices from $502 to $4,850, a $4,348 spread on the same certified stone. Brilliant Earth lists it at $4,850. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG837628424
Dimensions7.37 × 7.41 × 4.53 mm
L/W Ratio1.01
Top View
7.37 mm7.41 mm1.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837628424
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,850 USD|Low: $482 USD|High: $4,850 USD|Avg: $1,476 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
October 29, 2026
Retailer 3$502 USD
Retailer 4$562 USD
Retailer 8$623 USD
Retailer 23$623 USD
Retailer 9$642 USD
Retailer 20$797 USD
Retailer 14$840 USD
Retailer 18$909 USD
Retailer 22$966 USD
Retailer 21$970 USD
Retailer 11$995 USD
Retailer 7$1,024 USD
Retailer 2$1,030 USD
Retailer 19$1,070 USD
Retailer 12$1,382 USD
Retailer 10$1,638 USD
Retailer 24$1,938 USD
Retailer 6$2,027 USD
Retailer 17$2,093 USD
Retailer 5$2,158 USD
Retailer 13$2,612 USD
Retailer 15$2,721 USD
Retailer 16$2,903 USD
Brilliant Earth$4,850 USD

29 data points across 24 retailers

24 retailers$502 USD to $4,850 USD

A
Cheapest Retailer
-
$502 USD
A
Retailer 2
-
$562 USD
View
Retailer 3
-
$623 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$623 USD
View
A
Retailer 5
-
$642 USD
View
Final sale: no returns
Retailer 6
-
$797 USD
£627 GBP
View
Price last confirmed 7 days ago
A
Retailer 7
-
$840 USD
View
A
Retailer 8
-
$909 USD
€866 EUR
View
A
Retailer 9
-
$966 USD
View
B+
Retailer 10
-
$970 USD
View
A
Retailer 11
-
$995 USD
View
A
Retailer 12
-
$1,024 USD
View
B+
Retailer 13
-
$1,030 USD
£811 GBP
View
B+
Retailer 14
-
$1,070 USD
ZAR 17,286 ZAR
View
B+
Retailer 15
-
$1,382 USD
View
B+
Retailer 16
-
$1,638 USD
View
B+
Retailer 17
-
$1,938 USD
View
B
Retailer 18
-
$2,027 USD
View
B
Retailer 19
-
$2,093 USD
CA$2,906 CAD
View
B
Retailer 20
-
$2,158 USD
View
B
Retailer 21
-
$2,612 USD
£2,057 GBP
View
B
Retailer 22
-
$2,721 USD
View
B
Retailer 23
-
$2,903 USD
View
Most Expensive
B
Brilliant Earth
21790186A · Oct 29
$4,850 USD
View
23 more retailers have this diamond
Prices start from $502 USDSave up to $4,348 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Round
$502 USD