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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 $686 AUD
$482 USD
As of October 30, 2026
Save $1,373 AUD (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,059 AUD 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 $686 to $2,059, a $1,373 spread on the same certified stone. MOH London lists it at $2,059. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,059 AUD|Low: $686 AUD|High: $2,132 AUD|Avg: $1,301 AUD|-3.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 4$686 AUD
Retailer 2$902 AUD
Retailer 3$1,045 AUD
Retailer 5$1,331 AUD
Retailer 6$1,712 AUD
MOH London$2,059 AUD

5 data points across 6 retailers

6 retailers$686 AUD to $2,059 AUD

B+
Cheapest Retailer
-
$686 AUD
$482 USD
A
Retailer 2
-
$902 AUD
£499 GBP
View
A
Retailer 3
-
$1,045 AUD
$734 USD
View
B+
Retailer 4
-
$1,331 AUD
$935 USD
View
B+
Retailer 5
-
$1,712 AUD
$1,203 USD
View
Most Expensive
B
MOH London
LG830619462 · Oct 29
$2,059 AUD
£1,139 GBP
View
5 more retailers have this diamond
Prices start from $686 AUDSave up to $1,373 AUD

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
$686 AUD