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Oval|Lab Grown|IGI

2.53ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG839670151

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839670151

Diamond specifications and retailer prices

From £467 GBP
As of October 30, 2026
Save £1,399 GBP (75%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,866 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.53ct lab-grown oval diamond

This 2.53ct lab-grown oval sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839670151 or 839670151. Listed at 2 retailers as of October 28, 2026, with prices from £467 to £1,866, a £1,399 spread on the same certified stone. Brilliant Earth lists it at £1,866. 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

2.53
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839670151
Dimensions10.58 × 7.76 × 4.84 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.58 mm7.76 mm2.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839670151
Side View
Table 62.0%Crown 36.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,866 GBP|Low: £454 GBP|High: £1,866 GBP|Avg: £1,092 GBP
Brilliant Earth
Retailer 2
October 30, 2026
Retailer 2£467 GBP
Brilliant Earth£1,866 GBP

15 data points across 2 retailers

2 retailers£467 GBP to £1,866 GBP

A
Cheapest Retailer
-
£467 GBP
Most Expensive
B
Brilliant Earth
21601553A · Oct 28
£1,866 GBP
$2,500 USD
View
1 more retailer has this diamond
Prices start from £467 GBPSave up to £1,399 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
2.53ct Oval
£467 GBP