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Oval|Lab Grown|IGI

2.50ct K SI2 Oval Lab Grown Diamond

ID • K/SI2 • IGI LG451055715

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451055715

Diamond specifications and retailer prices

From £2,858 GBP
As of November 5, 2026
Save £4,226 GBP (60%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £7,084 GBP 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055715 or 451055715. Listed at 8 retailers as of November 5, 2026, with prices from £2,858 to £7,084, a £4,226 spread on the same certified stone. MOH London lists it at £7,084. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055715
Dimensions10.55 × 7.78 × 4.80 mm
L/W Ratio1.36
Girdle conditionFaceted
Top View
10.55 mm7.78 mm2.50 ctK / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055715
Side View
Table 57.0%Crown 33.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £7,084 GBP|Low: £2,744 GBP|High: £7,520 GBP|Avg: £4,627 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3£2,858 GBP
Retailer 7£2,996 GBP
Retailer 4£3,316 GBP
Retailer 8£3,708 GBP
Retailer 6£4,143 GBP
Retailer 2£4,398 GBP
Retailer 5£5,138 GBP
MOH London£7,084 GBP
Retailer 9£7,520 GBP

15 data points across 9 retailers

8 retailers£2,858 GBP to £7,084 GBP

B+
Cheapest Retailer
-
£2,858 GBP
B
Retailer 2
-
£2,996 GBP
View
B
Retailer 3
-
£3,316 GBP
View
Retailer 4
-
£3,316 GBP
View
Price last confirmed 25 days ago
B
Retailer 5
-
£4,143 GBP
View
B
Retailer 6
-
£4,398 GBP
View
C
Retailer 7
-
£5,138 GBP
View
Most Expensive
B
MOH London
LG451055715 · Nov 5
£7,084 GBP
View
7 more retailers have this diamond
Prices start from £2,858 GBPSave up to £4,226 GBP

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.

B+
2.50ct Oval
£2,858 GBP