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Oval|Lab Grown|IGI

2.51ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445036590

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445036590

Diamond specifications and retailer prices

From £1,052 GBP
$1,410 USD
As of October 30, 2026
Save £6,057 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £7,110 GBP at MOH London · As of October 27, 2026
View at MOH London

About this 2.51ct lab-grown oval diamond

This 2.51ct 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 LG445036590 or 445036590. Listed at 11 retailers as of October 27, 2026, with prices from £1,052 to £7,110, a £6,057 spread on the same certified stone. MOH London lists it at £7,110. 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

2.51
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036590
Dimensions10.46 × 7.75 × 4.86 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.46 mm7.75 mm2.51 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445036590
Side View
Table 60.0%Crown 35.9°Girdle: STK-THKPavilion 41.3°Culet: NoneDepth 62.7%

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: £7,110 GBP|Low: £1,052 GBP|High: £10,025 GBP|Avg: £4,219 GBP|+0.1%
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£1,052 GBP
Retailer 4£2,415 GBP
Retailer 7£2,704 GBP
Retailer 5£2,801 GBP
Retailer 8£2,918 GBP
Retailer 9£3,261 GBP
Retailer 3£3,943 GBP
Retailer 6£4,350 GBP
MOH London£7,110 GBP
Retailer 10£10,025 GBP

14 data points across 10 retailers

11 retailers£1,052 GBP to £7,110 GBP

A
Cheapest Retailer
-
£1,052 GBP
$1,410 USD
B+
Retailer 2
-
£2,415 GBP
$3,236 USD
View
B+
Retailer 3
-
£2,628 GBP
$3,521 USD
View
B+
Retailer 4
-
£2,704 GBP
$3,623 USD
View
Final sale: no returns
B
Retailer 5
-
£2,801 GBP
$3,753 USD
View
Retailer 6
-
£2,802 GBP
$3,754 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
£2,918 GBP
$3,910 USD
View
B
Retailer 8
-
£3,500 GBP
$4,690 USD
View
B
Retailer 9
-
£3,943 GBP
$5,283 USD
View
B
Retailer 10
-
£4,350 GBP
$5,828 USD
View
Most Expensive
B
MOH London
LG445036590 · Oct 27
£7,110 GBP
View
10 more retailers have this diamond
Prices start from £1,052 GBPSave up to £6,057 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
2.51ct Oval
£1,052 GBP