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1.50ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG492136708

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492136708

Diamond specifications and retailer prices

From $1,060 SGD
As of November 5, 2026
Save $4,467 SGD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,527 SGD at MOH London · As of November 3, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492136708 or 492136708. Listed at 11 retailers as of November 3, 2026, with prices from $1,060 to $5,527, a $4,467 spread on the same certified stone. MOH London lists it at $5,527. 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

1.50
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492136708
Dimensions7.30 × 7.24 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.30 mm7.24 mm1.50 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492136708
Side View
Table 55.5%Crown 35.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: Nov 5
Current: $5,527 SGD|Low: $1,060 SGD|High: $5,601 SGD|Avg: $2,407 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2$1,060 SGD
Retailer 4$1,483 SGD
Retailer 8$1,660 SGD
Retailer 5$1,721 SGD
Retailer 7$1,721 SGD
Retailer 3$1,878 SGD
Retailer 9$1,941 SGD
Retailer 10$2,446 SGD
Retailer 6$2,732 SGD
Retailer 11$3,390 SGD
MOH London$5,527 SGD

17 data points across 11 retailers

11 retailers$1,060 SGD to $5,527 SGD

A
Cheapest Retailer
-
$1,060 SGD
B+
Retailer 2
-
$1,483 SGD
View
B+
Retailer 3
-
$1,613 SGD
View
B+
Retailer 4
-
$1,660 SGD
View
Final sale: no returns
Retailer 5
-
$1,721 SGD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$1,721 SGD
View
B+
Retailer 7
-
$1,941 SGD
View
B
Retailer 8
-
$2,732 SGD
View
B
Retailer 9
-
$3,225 SGD
View
B
Retailer 10
-
$3,390 SGD
View
Most Expensive
B
MOH London
LG492136708 · Nov 3
$5,527 SGD
£3,407 GBP
View
10 more retailers have this diamond
Prices start from $1,060 SGDSave up to $4,467 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
1.50ct Round
$1,060 SGD