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Oval|Lab Grown|IGI

2.50ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG447000666

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447000666

Diamond specifications and retailer prices

From $1,400 USD
As of October 30, 2026
Save $7,236 USD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,636 USD at MOH London · As of October 25, 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 LG447000666 or 447000666. Listed at 11 retailers as of October 25, 2026, with prices from $1,400 to $8,636, a $7,236 spread on the same certified stone. MOH London lists it at $8,636. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000666
Dimensions10.77 × 7.63 × 4.83 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
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Top View
10.77 mm7.63 mm2.50 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447000666
Side View
Table 57.0%Crown 34.6°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 63.3%

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: Oct 30
Current: $8,636 USD|Low: $1,400 USD|High: $12,177 USD|Avg: $5,196 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$1,400 USD
Retailer 4$2,933 USD
Retailer 7$3,284 USD
Retailer 5$3,403 USD
Retailer 8$3,560 USD
Retailer 9$4,110 USD
Retailer 3$4,889 USD
Retailer 6$5,291 USD
MOH London$8,636 USD
Retailer 10$12,177 USD

14 data points across 10 retailers

11 retailers$1,400 USD to $8,636 USD

A
Cheapest Retailer
-
$1,400 USD
B+
Retailer 2
-
$2,933 USD
View
B+
Retailer 3
-
$3,191 USD
View
B+
Retailer 4
-
$3,284 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,403 USD
View
Retailer 6
-
$3,403 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$3,560 USD
View
B
Retailer 8
-
$4,252 USD
View
B
Retailer 9
-
$4,889 USD
View
B
Retailer 10
-
$5,291 USD
View
Most Expensive
B
MOH London
LG447000666 · Oct 25
$8,636 USD
£6,800 GBP
View
10 more retailers have this diamond
Prices start from $1,400 USDSave up to $7,236 USD

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
$1,400 USD