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Oval|Lab Grown|IGI

2.51ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG762508091

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG762508091

Diamond specifications and retailer prices

From $817 CAD
€557 EUR
As of October 31, 2026
Save $1,218 CAD (60%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,577 CAD at Rare Carat · As of September 28, 2026
View at Rare Carat

About this 2.51ct lab-grown oval diamond

This 2.51ct lab-grown oval sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG762508091 or 762508091. Listed at 7 retailers as of October 31, 2026, with a 149% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762508091
Dimensions11.05 × 7.46 × 4.71 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.05 mm7.46 mm2.51 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762508091
Side View
Table 60.0%Crown 36.1°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 63.1%

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: Oct 31
Current: $2,577 CAD|Low: $808 CAD|High: $2,745 CAD|Avg: $1,395 CAD|-6.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5$817 CAD
Retailer 7$834 CAD
Retailer 4$892 CAD
Retailer 6$1,084 CAD
Retailer 8$1,270 CAD
Retailer 2$1,762 CAD
Retailer 3$2,035 CAD
Rare Carat$2,577 CAD

34 data points across 8 retailers

7 retailers$817 CAD to $2,035 CAD

A
Cheapest Retailer
-
$817 CAD
€557 EUR
B+
Retailer 2
-
$834 CAD
$597 USD
View
A
Retailer 3
-
$892 CAD
£503 GBP
View
B+
Retailer 4
-
$1,084 CAD
$776 USD
View
B
Retailer 5
-
$1,762 CAD
$1,261 USD
View
B
Retailer 6
-
$2,035 CAD
£1,147 GBP
View
Most Expensive
Rare Carat
27N762508091 · Sep 28
$2,577 CAD
$1,845 USD
View
Price last confirmed 34 days ago
6 more retailers have this diamond
Prices start from $817 CADSave up to $1,218 CAD

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
$817 CAD