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Round|Lab Grown|IGI

1.51ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG425065833

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425065833

Diamond specifications and retailer prices

From $1,073 SGD
As of November 5, 2026
Save $4,809 SGD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,882 SGD at MOH London · As of November 3, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425065833 or 425065833. Listed at 10 retailers as of November 3, 2026, with prices from $1,073 to $5,882, a $4,809 spread on the same certified stone. MOH London lists it at $5,882. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425065833
Dimensions7.29 × 7.33 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.29 mm7.33 mm1.51 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425065833
Side View
Table 56.5%Crown 34.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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: $5,882 SGD|Low: $1,073 SGD|High: $5,953 SGD|Avg: $2,707 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 2$1,073 SGD
Retailer 5$1,579 SGD
Retailer 8$1,717 SGD
Retailer 10$1,767 SGD
Retailer 6$1,830 SGD
Retailer 11$1,830 SGD
Retailer 3$2,580 SGD
Retailer 7$2,903 SGD
Retailer 9$3,432 SGD
Retailer 12$3,507 SGD
Retailer 4$4,099 SGD
MOH London$5,882 SGD

12 data points across 12 retailers

10 retailers$1,073 SGD to $5,882 SGD

A
Cheapest Retailer
-
$1,073 SGD
A
Retailer 2
-
$1,579 SGD
View
B+
Retailer 3
-
$1,717 SGD
View
B+
Retailer 4
-
$1,767 SGD
View
Final sale: no returns
B+
Retailer 5
-
$1,830 SGD
View
Retailer 6
-
$1,830 SGD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$2,903 SGD
View
B
Retailer 8
-
$3,432 SGD
View
B
Retailer 9
-
$3,507 SGD
View
Most Expensive
B
MOH London
LG425065833 · Nov 3
$5,882 SGD
£3,626 GBP
View
9 more retailers have this diamond
Prices start from $1,073 SGDSave up to $4,809 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
$1,073 SGD