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Oval|Lab Grown|IGI

2.50ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG440013875

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG440013875

Diamond specifications and retailer prices

From £1,269 GBP
$1,700 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: £1,269 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

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 LG440013875 or 440013875. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440013875
Dimensions10.41 × 7.55 × 4.86 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.41 mm7.55 mm2.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440013875
Side View
Table 61.0%Crown 36.3°Girdle: STK-THKPavilion 41.5°Culet: NoneDepth 64.4%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £1,269 GBP|Low: £1,261 GBP|High: £10,077 GBP|Avg: £4,822 GBP|-52.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
July 26, 2026
Brilliant Earth£1,269 GBP
Retailer 2£1,923 GBP
Retailer 5£2,907 GBP
Retailer 6£3,250 GBP
Retailer 3£3,887 GBP
Retailer 4£4,095 GBP
Retailer 7£9,987 GBP

37 data points across 7 retailers

1 retailer

B+
Brilliant Earth
19770540A · Oct 29
£1,269 GBP
$1,700 USD
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B+
2.50ct Oval
£1,269 GBP