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Oval|Lab Grown|IGI

2.51ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG451057758

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057758

Diamond specifications and retailer prices

From $1,807 SGD
As of November 6, 2026
Save $8,831 SGD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,638 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 2.51ct lab-grown oval diamond

This 2.51ct lab-grown oval sits in the two to three carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057758 or 451057758. Listed at 11 retailers as of November 5, 2026, with prices from $1,807 to $10,638, a $8,831 spread on the same certified stone. MOH London lists it at $10,638. 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

2.51
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057758
Dimensions10.41 × 7.79 × 4.82 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.41 mm7.79 mm2.51 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057758
Side View
Table 54.5%Crown 34°Girdle: STK-VTKPavilion 40.2°Culet: NoneDepth 61.9%

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 6
Current: $10,638 SGD|Low: $1,807 SGD|High: $14,255 SGD|Avg: $6,087 SGD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 2$1,807 SGD
Retailer 4$3,435 SGD
Retailer 7$3,845 SGD
Retailer 5$3,984 SGD
Retailer 8$4,191 SGD
Retailer 9$4,848 SGD
Retailer 3$5,845 SGD
Retailer 6$6,202 SGD
MOH London$10,638 SGD
Retailer 10$14,255 SGD

15 data points across 10 retailers

11 retailers$1,807 SGD to $10,638 SGD

A
Cheapest Retailer
-
$1,807 SGD
B+
Retailer 2
-
$3,435 SGD
View
B+
Retailer 3
-
$3,737 SGD
View
B+
Retailer 4
-
$3,845 SGD
View
Final sale: no returns
Retailer 5
-
$3,984 SGD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$3,984 SGD
View
B+
Retailer 7
-
$4,191 SGD
View
B
Retailer 8
-
$5,476 SGD
View
B
Retailer 9
-
$5,845 SGD
View
B
Retailer 10
-
$6,202 SGD
View
Most Expensive
B
MOH London
LG451057758 · Nov 5
$10,638 SGD
£6,536 GBP
View
10 more retailers have this diamond
Prices start from $1,807 SGDSave up to $8,831 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
2.51ct Oval
$1,807 SGD