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1.30ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG462132934

Shape and cutting style on the report: Round brilliant

Certificate IGI LG462132934

Diamond specifications and retailer prices

From $788 SGD
As of November 5, 2026
Save $3,441 SGD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,229 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG462132934 or 462132934. Listed at 11 retailers as of November 5, 2026, with prices from $788 to $4,229, a $3,441 spread on the same certified stone. MOH London lists it at $4,229. 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

1.30
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG462132934
Dimensions7.13 × 7.16 × 4.26 mm
L/W Ratio1.00
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
7.13 mm7.16 mm1.30 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG462132934
Side View
Table 60.5%Crown 31.7°Girdle: THN-MEDPavilion 41.5°Culet: NoneDepth 59.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $4,229 SGD|Low: $788 SGD|High: $4,297 SGD|Avg: $1,759 SGD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 5$788 SGD
Retailer 8$881 SGD
Retailer 2$958 SGD
Retailer 6$977 SGD
Retailer 3$1,143 SGD
Retailer 7$1,496 SGD
Retailer 9$1,543 SGD
Retailer 4$2,424 SGD
Retailer 10$2,615 SGD
MOH London$4,229 SGD

19 data points across 10 retailers

11 retailers$788 SGD to $4,229 SGD

A
Cheapest Retailer
-
$788 SGD
B+
Retailer 2
-
$881 SGD
View
Final sale: no returns
B+
Retailer 3
-
$883 SGD
View
B+
Retailer 4
-
$958 SGD
View
Retailer 5
-
$977 SGD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$977 SGD
View
B+
Retailer 7
-
$1,143 SGD
View
B
Retailer 8
-
$1,496 SGD
View
B
Retailer 9
-
$2,424 SGD
View
B
Retailer 10
-
$2,569 SGD
View
Most Expensive
B
MOH London
LG462132934 · Nov 5
$4,229 SGD
£2,607 GBP
View
10 more retailers have this diamond
Prices start from $788 SGDSave up to $3,441 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
1.30ct Round
$788 SGD