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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 £1,045 GBP
$1,400 USD
As of October 30, 2026
Save £6,067 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £7,112 GBP at MOH London · As of October 29, 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 October 29, 2026, with prices from £1,045 to £7,112, a £6,067 spread on the same certified stone. MOH London lists it at £7,112. 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: Oct 30
Current: £7,112 GBP|Low: £1,045 GBP|High: £9,987 GBP|Avg: £4,274 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2£1,045 GBP
Retailer 4£2,406 GBP
Retailer 7£2,694 GBP
Retailer 5£2,791 GBP
Retailer 8£2,907 GBP
Retailer 9£3,250 GBP
Retailer 3£3,928 GBP
Retailer 6£4,333 GBP
MOH London£7,112 GBP
Retailer 10£9,987 GBP

16 data points across 10 retailers

11 retailers£1,045 GBP to £7,112 GBP

A
Cheapest Retailer
-
£1,045 GBP
$1,400 USD
B+
Retailer 2
-
£2,406 GBP
$3,224 USD
View
B+
Retailer 3
-
£2,617 GBP
$3,507 USD
View
B
Retailer 4
-
£2,694 GBP
$3,609 USD
View
Final sale: no returns
Retailer 5
-
£2,791 GBP
$3,740 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
£2,791 GBP
$3,740 USD
View
B
Retailer 7
-
£2,907 GBP
$3,895 USD
View
B
Retailer 8
-
£3,488 GBP
$4,673 USD
View
B
Retailer 9
-
£3,928 GBP
$5,263 USD
View
B
Retailer 10
-
£4,333 GBP
$5,806 USD
View
Most Expensive
B
MOH London
LG445037355 · Oct 29
£7,112 GBP
View
10 more retailers have this diamond
Prices start from £1,045 GBPSave up to £6,067 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.

A
2.50ct Oval
£1,045 GBP