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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 $748 SGD
€557 EUR
As of October 31, 2026
Save $1,115 SGD (60%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,359 SGD 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
Colour
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: $2,359 SGD|Low: $740 SGD|High: $2,512 SGD|Avg: $1,278 SGD|-6.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$748 SGD
Retailer 2$789 SGD
Retailer 3$851 SGD
Retailer 7$992 SGD
Retailer 8$1,162 SGD
Retailer 4$1,612 SGD
Retailer 5$1,862 SGD
Rare Carat$2,359 SGD

35 data points across 8 retailers

7 retailers$748 SGD to $1,862 SGD

A
Cheapest Retailer
-
$748 SGD
€557 EUR
B+
Retailer 2
-
$789 SGD
$617 USD
View
A
Retailer 3
-
$851 SGD
£524 GBP
View
B+
Retailer 4
-
$992 SGD
$776 USD
View
B
Retailer 5
-
$1,612 SGD
$1,261 USD
View
B
Retailer 6
-
$1,862 SGD
£1,147 GBP
View
Most Expensive
Rare Carat
27N762508091 · Sep 28
$2,359 SGD
$1,845 USD
View
Price last confirmed 35 days ago
6 more retailers have this diamond
Prices start from $748 SGDSave up to $1,115 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
$748 SGD