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Oval|Lab Grown|IGI

2.50ct K SI1 Oval Lab Grown Diamond

ID • K/SI1 • IGI LG447001579

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447001579

Diamond specifications and retailer prices

From $3,794 NZD
As of November 5, 2026
Save $8,147 NZD (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $11,940 NZD at MOH London · As of November 1, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001579 or 447001579. Listed at 9 retailers as of November 1, 2026, with prices from $3,794 to $11,940, a $8,147 spread on the same certified stone. MOH London lists it at $11,940. 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
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001579
Dimensions10.56 × 7.77 × 4.84 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.56 mm7.77 mm2.50 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001579
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.3%

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 5
Current: $11,940 NZD|Low: $3,794 NZD|High: $12,101 NZD|Avg: $6,796 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4$3,794 NZD
Retailer 5$4,402 NZD
Retailer 2$4,699 NZD
Retailer 7$5,644 NZD
Retailer 6$6,882 NZD
Retailer 3$7,059 NZD
MOH London$11,940 NZD

17 data points across 7 retailers

9 retailers$3,794 NZD to $11,940 NZD

A
Cheapest Retailer
-
$3,794 NZD
A
Retailer 2
-
$4,127 NZD
View
Retailer 3
-
$4,402 NZD
View
Price last confirmed 26 days ago
A
Retailer 4
-
$4,402 NZD
View
A
Retailer 5
-
$4,699 NZD
View
B+
Retailer 6
-
$6,050 NZD
View
B
Retailer 7
-
$6,882 NZD
View
B
Retailer 8
-
$7,059 NZD
View
Most Expensive
B
MOH London
LG447001579 · Nov 1
$11,940 NZD
£5,212 GBP
View
8 more retailers have this diamond
Prices start from $3,794 NZDSave up to $8,147 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
$3,794 NZD