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1.30ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG474127291

Shape and cutting style on the report: Round brilliant

Certificate IGI LG474127291

Diamond specifications and retailer prices

From $738 SGD
As of November 5, 2026
Save $3,223 SGD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,961 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474127291 or 474127291. Listed at 10 retailers as of November 5, 2026, with prices from $738 to $3,961, a $3,223 spread on the same certified stone. MOH London lists it at $3,961. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474127291
Dimensions7.07 × 7.11 × 4.27 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
7.07 mm7.11 mm1.30 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474127291
Side View
Table 60.5%Crown 31.6°GirdlePavilion 41.5°Culet: NoneDepth 60.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $3,961 SGD|Low: $590 SGD|High: $4,020 SGD|Avg: $1,575 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4$738 SGD
Retailer 7$826 SGD
Retailer 5$915 SGD
Retailer 8$915 SGD
Retailer 2$945 SGD
Retailer 6$1,408 SGD
Retailer 9$1,468 SGD
Retailer 10$1,915 SGD
Retailer 3$2,271 SGD
MOH London$3,961 SGD

16 data points across 10 retailers

10 retailers$738 SGD to $3,961 SGD

A
Cheapest Retailer
-
$738 SGD
B+
Retailer 2
-
$826 SGD
View
Final sale: no returns
B+
Retailer 3
-
$826 SGD
View
Retailer 4
-
$915 SGD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
$915 SGD
View
B+
Retailer 6
-
$945 SGD
View
B
Retailer 7
-
$1,408 SGD
View
B
Retailer 8
-
$2,271 SGD
View
B
Retailer 9
-
$2,406 SGD
View
Most Expensive
B
MOH London
LG474127291 · Nov 5
$3,961 SGD
£2,442 GBP
View
9 more retailers have this diamond
Prices start from $738 SGDSave up to $3,223 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
$738 SGD