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Oval|Lab Grown|IGI

2.50ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG451057054

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057054

Diamond specifications and retailer prices

From $2,525 NZD
As of November 6, 2026
Save $12,991 NZD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $15,517 NZD 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 LG451057054 or 451057054. Listed at 11 retailers as of November 5, 2026, with prices from $2,525 to $15,517, a $12,991 spread on the same certified stone. MOH London lists it at $15,517. 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 angle36.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057054
Dimensions10.83 × 7.56 × 4.77 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.83 mm7.56 mm2.50 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057054
Side View
Table 55.0%Crown 36.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.1%

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: $15,517 NZD|Low: $2,525 NZD|High: $21,964 NZD|Avg: $9,277 NZD|-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$2,525 NZD
Retailer 4$5,291 NZD
Retailer 7$5,924 NZD
Retailer 5$6,139 NZD
Retailer 8$6,422 NZD
Retailer 9$7,414 NZD
Retailer 3$8,819 NZD
Retailer 6$9,544 NZD
MOH London$15,517 NZD
Retailer 10$21,964 NZD

15 data points across 10 retailers

11 retailers$2,525 NZD to $15,517 NZD

A
Cheapest Retailer
-
$2,525 NZD
B+
Retailer 2
-
$5,291 NZD
View
B+
Retailer 3
-
$5,756 NZD
View
B+
Retailer 4
-
$5,924 NZD
View
Final sale: no returns
B+
Retailer 5
-
$6,139 NZD
View
Retailer 6
-
$6,139 NZD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$6,422 NZD
View
B
Retailer 8
-
$7,670 NZD
View
B
Retailer 9
-
$8,819 NZD
View
B
Retailer 10
-
$9,544 NZD
View
Most Expensive
B
MOH London
LG451057054 · Nov 5
$15,517 NZD
£6,773 GBP
View
10 more retailers have this diamond
Prices start from $2,525 NZDSave up to $12,991 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