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Oval|Lab Grown|IGI

2.50ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG451057550

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057550

Diamond specifications and retailer prices

From $1,794 SGD
As of November 6, 2026
Save $8,802 SGD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,596 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 2.5ct lab-grown oval diamond

This 2.5ct 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 LG451057550 or 451057550. Listed at 11 retailers as of November 5, 2026, with prices from $1,794 to $10,596, a $8,802 spread on the same certified stone. MOH London lists it at $10,596. 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

2.50
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057550
Dimensions10.50 × 7.73 × 4.79 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Top View
10.50 mm7.73 mm2.50 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057550
Side View
Table 55.5%Crown 37.3°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 62.0%

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 6
Current: $10,596 SGD|Low: $1,794 SGD|High: $14,200 SGD|Avg: $6,063 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 2$1,794 SGD
Retailer 4$3,421 SGD
Retailer 7$3,831 SGD
Retailer 5$3,968 SGD
Retailer 8$4,178 SGD
Retailer 9$4,830 SGD
Retailer 3$5,822 SGD
Retailer 6$6,176 SGD
MOH London$10,596 SGD
Retailer 10$14,200 SGD

15 data points across 10 retailers

11 retailers$1,794 SGD to $10,596 SGD

A
Cheapest Retailer
-
$1,794 SGD
A
Retailer 2
-
$3,421 SGD
View
B+
Retailer 3
-
$3,722 SGD
View
B+
Retailer 4
-
$3,831 SGD
View
Final sale: no returns
B+
Retailer 5
-
$3,968 SGD
View
Retailer 6
-
$3,968 SGD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$4,178 SGD
View
B
Retailer 8
-
$5,454 SGD
View
B
Retailer 9
-
$5,822 SGD
View
B
Retailer 10
-
$6,176 SGD
View
Most Expensive
B
MOH London
LG451057550 · Nov 5
$10,596 SGD
£6,510 GBP
View
10 more retailers have this diamond
Prices start from $1,794 SGDSave up to $8,802 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
2.50ct Oval
$1,794 SGD