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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 $2,525 NZD
As of November 6, 2026
Save $14,526 NZD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $17,052 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 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 $2,525 to $17,052, a $14,526 spread on the same certified stone. MOH London lists it at $17,052. 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: $17,052 NZD|Low: $2,525 NZD|High: $24,138 NZD|Avg: $10,266 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$5,816 NZD
Retailer 7$6,510 NZD
Retailer 5$6,747 NZD
Retailer 8$7,026 NZD
Retailer 9$7,856 NZD
Retailer 3$9,494 NZD
Retailer 6$10,473 NZD
MOH London$17,052 NZD
Retailer 10$24,138 NZD

16 data points across 10 retailers

11 retailers$2,525 NZD to $17,052 NZD

A
Cheapest Retailer
-
$2,525 NZD
B+
Retailer 2
-
$5,816 NZD
View
B+
Retailer 3
-
$6,326 NZD
View
B
Retailer 4
-
$6,510 NZD
View
Final sale: no returns
Retailer 5
-
$6,747 NZD
View
Price last confirmed 25 days ago
B
Retailer 6
-
$6,747 NZD
View
B
Retailer 7
-
$7,026 NZD
View
B
Retailer 8
-
$8,430 NZD
View
B
Retailer 9
-
$9,494 NZD
View
B
Retailer 10
-
$10,473 NZD
View
Most Expensive
B
MOH London
LG445037355 · Nov 5
$17,052 NZD
£7,443 GBP
View
10 more retailers have this diamond
Prices start from $2,525 NZDSave up to $14,526 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