CaratHunter
Plans
Oval|Lab Grown|IGI

2.50ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG451057550

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057550

Diamond specifications and retailer prices

From $2,038 AUD
As of November 6, 2026
Save $9,995 AUD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $12,033 AUD at MOH London · As of November 5, 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 LG451057550 or 451057550. Listed at 11 retailers as of November 5, 2026, with prices from $2,038 to $12,033, a $9,995 spread on the same certified stone. MOH London lists it at $12,033. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057550
Dimensions10.50 × 7.73 × 4.79 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Top View
10.50 mm7.73 mm2.50 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057550
Side View
Table 55.5%Crown 37.3°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 62.0%

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: Nov 6
Current: $12,033 AUD|Low: $2,038 AUD|High: $16,126 AUD|Avg: $6,885 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 2$2,038 AUD
Retailer 4$3,884 AUD
Retailer 7$4,350 AUD
Retailer 5$4,506 AUD
Retailer 8$4,745 AUD
Retailer 9$5,485 AUD
Retailer 3$6,612 AUD
Retailer 6$7,014 AUD
MOH London$12,033 AUD
Retailer 10$16,126 AUD

15 data points across 10 retailers

11 retailers$2,038 AUD to $12,033 AUD

A
Cheapest Retailer
-
$2,038 AUD
A
Retailer 2
-
$3,884 AUD
View
B+
Retailer 3
-
$4,226 AUD
View
B+
Retailer 4
-
$4,350 AUD
View
Final sale: no returns
B+
Retailer 5
-
$4,506 AUD
View
Retailer 6
-
$4,506 AUD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$4,745 AUD
View
B
Retailer 8
-
$6,194 AUD
View
B
Retailer 9
-
$6,612 AUD
View
B
Retailer 10
-
$7,014 AUD
View
Most Expensive
B
MOH London
LG451057550 · Nov 5
$12,033 AUD
£6,510 GBP
View
10 more retailers have this diamond
Prices start from $2,038 AUDSave up to $9,995 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
2.50ct Oval
$2,038 AUD