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Round|Lab Grown|IGI

1.30ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG451057283

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451057283

Diamond specifications and retailer prices

From $838 SGD
As of November 5, 2026
Save $3,245 SGD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,083 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057283 or 451057283. Listed at 10 retailers as of November 5, 2026, with prices from $838 to $4,083, a $3,245 spread on the same certified stone. MOH London lists it at $4,083. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057283
Dimensions6.91 × 6.95 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.91 mm6.95 mm1.30 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057283
Side View
Table 55.5%Crown 36.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $4,083 SGD|Low: $805 SGD|High: $4,145 SGD|Avg: $1,763 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 5$838 SGD
Retailer 8$912 SGD
Retailer 10$938 SGD
Retailer 2$945 SGD
Retailer 6$972 SGD
Retailer 11$1,572 SGD
Retailer 7$1,586 SGD
Retailer 3$2,175 SGD
Retailer 4$2,483 SGD
Retailer 9$2,733 SGD
MOH London$4,083 SGD

15 data points across 11 retailers

10 retailers$838 SGD to $4,083 SGD

A
Cheapest Retailer
-
$838 SGD
A
Retailer 2
-
$912 SGD
View
A
Retailer 3
-
$938 SGD
View
Final sale: no returns
A
Retailer 4
-
$945 SGD
View
Retailer 5
-
$972 SGD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$972 SGD
View
B+
Retailer 7
-
$1,586 SGD
View
B
Retailer 8
-
$2,483 SGD
View
B
Retailer 9
-
$2,733 SGD
View
Most Expensive
B
MOH London
LG451057283 · Nov 5
$4,083 SGD
£2,517 GBP
View
9 more retailers have this diamond
Prices start from $838 SGDSave up to $3,245 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
$838 SGD