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Oval|Lab Grown|IGI

2.50ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG499190382

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG499190382

Diamond specifications and retailer prices

From $2,525 NZD
As of November 6, 2026
Save $13,032 NZD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $15,558 NZD at MOH London · As of November 3, 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 LG499190382 or 499190382. Listed at 10 retailers as of November 3, 2026, with prices from $2,525 to $15,558, a $13,032 spread on the same certified stone. MOH London lists it at $15,558. 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 angle33.9°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499190382
Dimensions11.24 × 7.84 × 4.52 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.24 mm7.84 mm2.50 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499190382
Side View
Table 65.0%Crown 33.9°Girdle: THN-STKPavilion 39.6°Culet: NoneDepth 57.7%

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: Nov 6
Current: $15,558 NZD|Low: $2,525 NZD|High: $15,766 NZD|Avg: $8,034 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 2$2,525 NZD
Retailer 4$5,291 NZD
Retailer 5$6,139 NZD
Retailer 7$6,422 NZD
Retailer 8$7,414 NZD
Retailer 3$8,819 NZD
Retailer 6$9,544 NZD
MOH London$15,558 NZD

13 data points across 8 retailers

10 retailers$2,525 NZD to $15,558 NZD

A
Cheapest Retailer
-
$2,525 NZD
B+
Retailer 2
-
$5,291 NZD
View
B+
Retailer 3
-
$5,756 NZD
View
Retailer 4
-
$6,139 NZD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
$6,139 NZD
View
B+
Retailer 6
-
$6,422 NZD
View
B
Retailer 7
-
$7,670 NZD
View
B
Retailer 8
-
$8,819 NZD
View
B
Retailer 9
-
$9,544 NZD
View
Most Expensive
B
MOH London
LG499190382 · Nov 3
$15,558 NZD
£6,791 GBP
View
9 more retailers have this diamond
Prices start from $2,525 NZDSave up to $13,032 NZD

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
$2,525 NZD