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Oval|Lab Grown|IGI

2.50ct K SI1 Oval Lab Grown Diamond

ID • K/SI1 • IGI LG451055747

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451055747

Diamond specifications and retailer prices

From $2,103 USD
As of November 5, 2026
Save $4,516 USD (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,619 USD 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055747 or 451055747. Listed at 9 retailers as of November 3, 2026, with prices from $2,103 to $6,619, a $4,516 spread on the same certified stone. MOH London lists it at $6,619. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055747
Dimensions10.45 × 7.83 × 4.85 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.45 mm7.83 mm2.50 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055747
Side View
Table 60.0%Crown 36.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.9%

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: $6,619 USD|Low: $2,103 USD|High: $8,731 USD|Avg: $4,404 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 4$2,103 USD
Retailer 5$2,440 USD
Retailer 3$2,605 USD
Retailer 7$3,129 USD
Retailer 6$3,815 USD
Retailer 2$3,913 USD
MOH London$6,619 USD
Retailer 8$8,731 USD

16 data points across 8 retailers

9 retailers$2,103 USD to $6,619 USD

A
Cheapest Retailer
-
$2,103 USD
A
Retailer 2
-
$2,288 USD
View
A
Retailer 3
-
$2,440 USD
View
Retailer 4
-
$2,440 USD
View
Price last confirmed 26 days ago
A
Retailer 5
-
$2,605 USD
View
B+
Retailer 6
-
$3,354 USD
View
B
Retailer 7
-
$3,815 USD
View
B
Retailer 8
-
$3,913 USD
View
Most Expensive
B
MOH London
LG451055747 · Nov 3
$6,619 USD
£5,212 GBP
View
8 more retailers have this diamond
Prices start from $2,103 USDSave up to $4,516 USD

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
$2,103 USD