Oval|Lab Grown|IGI

2.51ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG830619462

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG830619462

Diamond specifications and retailer prices

From $482 USD
As of October 30, 2026
Save $965 USD (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,447 USD at MOH London · As of October 29, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG830619462 or 830619462. Listed at 6 retailers as of October 29, 2026, with prices from $482 to $1,447, a $965 spread on the same certified stone. MOH London lists it at $1,447. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830619462
Dimensions10.75 × 7.62 × 4.76 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.75 mm7.62 mm2.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830619462
Side View
Table 62.0%Crown 34.9°Girdle: THK-VTKPavilion 41°Culet: NoneDepth 62.5%

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: $1,447 USD|Low: $482 USD|High: $1,497 USD|Avg: $914 USD|-3.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 4$482 USD
Retailer 2$633 USD
Retailer 3$734 USD
Retailer 5$935 USD
Retailer 6$1,203 USD
MOH London$1,447 USD

5 data points across 6 retailers

6 retailers$482 USD to $1,447 USD

B+
Cheapest Retailer
-
$482 USD
A
Retailer 2
-
$633 USD
£499 GBP
View
A
Retailer 3
-
$734 USD
View
B+
Retailer 4
-
$935 USD
View
B+
Retailer 5
-
$1,203 USD
View
Most Expensive
B
MOH London
LG830619462 · Oct 29
$1,447 USD
£1,139 GBP
View
5 more retailers have this diamond
Prices start from $482 USDSave up to $965 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
2.51ct Oval
$482 USD