CaratHunter
Plans
Round|Lab Grown|IGI

1.51ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG440012031

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440012031

Diamond specifications and retailer prices

From $1,074 SGD
$840 USD
As of October 30, 2026
Save $4,260 SGD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,333 SGD 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012031 or 440012031. Listed at 10 retailers as of October 29, 2026, with prices from $1,074 to $5,333, a $4,260 spread on the same certified stone. MOH London lists it at $5,333. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012031
Dimensions7.40 × 7.42 × 4.42 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
7.40 mm7.42 mm1.51 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440012031
Side View
Table 59.0%Crown 32.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.6%

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 30
Current: $5,333 SGD|Low: $1,074 SGD|High: $5,377 SGD|Avg: $2,422 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$1,074 SGD
Retailer 4$1,349 SGD
Retailer 7$1,468 SGD
Retailer 9$1,509 SGD
Retailer 5$1,565 SGD
Retailer 11$2,258 SGD
Retailer 6$2,494 SGD
Retailer 8$2,933 SGD
Retailer 10$3,269 SGD
Retailer 3$3,499 SGD
MOH London$5,333 SGD

17 data points across 11 retailers

10 retailers$1,074 SGD to $5,333 SGD

A
Cheapest Retailer
-
$1,074 SGD
$840 USD
B+
Retailer 2
-
$1,349 SGD
$1,055 USD
View
B+
Retailer 3
-
$1,468 SGD
$1,148 USD
View
B+
Retailer 4
-
$1,509 SGD
$1,180 USD
View
Final sale: no returns
Retailer 5
-
$1,565 SGD
$1,224 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$1,565 SGD
$1,224 USD
View
B
Retailer 7
-
$2,494 SGD
$1,951 USD
View
B
Retailer 8
-
$2,933 SGD
$2,294 USD
View
B
Retailer 9
-
$3,269 SGD
$2,557 USD
View
Most Expensive
B
MOH London
LG440012031 · Oct 29
$5,333 SGD
£3,285 GBP
View
9 more retailers have this diamond
Prices start from $1,074 SGDSave up to $4,260 SGD

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
$1,074 SGD