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Oval|Lab Grown|IGI

2.50ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445037355

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037355

Diamond specifications and retailer prices

From $2,038 AUD
As of November 6, 2026
Save $11,720 AUD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $13,757 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037355 or 445037355. Listed at 11 retailers as of November 5, 2026, with prices from $2,038 to $13,757, a $11,720 spread on the same certified stone. MOH London lists it at $13,757. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037355
Dimensions10.51 × 7.45 × 4.86 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Top View
10.51 mm7.45 mm2.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037355
Side View
Table 55.5%Crown 37.3°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 65.2%

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: $13,757 AUD|Low: $2,038 AUD|High: $19,475 AUD|Avg: $8,283 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$4,692 AUD
Retailer 7$5,253 AUD
Retailer 5$5,443 AUD
Retailer 8$5,669 AUD
Retailer 9$6,338 AUD
Retailer 3$7,660 AUD
Retailer 6$8,450 AUD
MOH London$13,757 AUD
Retailer 10$19,475 AUD

16 data points across 10 retailers

11 retailers$2,038 AUD to $13,757 AUD

A
Cheapest Retailer
-
$2,038 AUD
B+
Retailer 2
-
$4,692 AUD
View
B+
Retailer 3
-
$5,104 AUD
View
B
Retailer 4
-
$5,253 AUD
View
Final sale: no returns
Retailer 5
-
$5,443 AUD
View
Price last confirmed 25 days ago
B
Retailer 6
-
$5,443 AUD
View
B
Retailer 7
-
$5,669 AUD
View
B
Retailer 8
-
$6,801 AUD
View
B
Retailer 9
-
$7,660 AUD
View
B
Retailer 10
-
$8,450 AUD
View
Most Expensive
B
MOH London
LG445037355 · Nov 5
$13,757 AUD
£7,443 GBP
View
10 more retailers have this diamond
Prices start from $2,038 AUDSave up to $11,720 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