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Round|Lab Grown|IGI

1.51ct J VS2 Round Lab Grown Diamond

ID • J/VS2 • IGI LG508136305

Shape and cutting style on the report: Round brilliant

Certificate IGI LG508136305

Diamond specifications and retailer prices

From $258 USD
As of October 25, 2026
Save $782 USD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,040 USD at MOH London · As of October 29, 2026
View at MOH London

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 J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508136305 or 508136305. Listed at 4 retailers as of October 25, 2026, with prices from $258 to $1,040, a $782 spread on the same certified stone. MOH London lists it at $1,040. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
J
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508136305
Dimensions7.37 × 7.32 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type IIa
Top View
7.37 mm7.32 mm1.51 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508136305
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: $1,040 USD|Low: $258 USD|High: $1,046 USD|Avg: $610 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 18, 2026
Retailer 2$258 USD
Retailer 4$423 USD
Retailer 3$444 USD
MOH London$1,040 USD

10 data points across 4 retailers

4 retailers$258 USD to $1,040 USD

A
Cheapest Retailer
-
$258 USD
A
Retailer 2
-
$423 USD
View
B+
Retailer 3
-
$444 USD
View
Most Expensive
A
MOH London
LG508136305 · Oct 29
$1,040 USD
£819 GBP
View
3 more retailers have this diamond
Prices start from $258 USDSave up to $782 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
$258 USD