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Oval|Lab Grown|IGI

2.53ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG783628159

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG783628159

Diamond specifications and retailer prices

From £644 GBP
A$1,328 AUD
As of November 2, 2026
2 retailers carry this diamond
Most expensive: £1,403 GBP at Novita Diamonds · As of July 28, 2026
View at Novita Diamonds

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 LG783628159 or 783628159. Listed at 2 retailers as of November 2, 2026. 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
SymmetryVery Good
FluorescenceNone
Crown angle31.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783628159
Dimensions11.15 × 7.94 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.15 mm7.94 mm2.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG783628159
Side View
Table 60.0%Crown 31.5°Girdle: THN-MEDPavilion 40.1°Culet: NoneDepth 58.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: £1,403 GBP|Low: £468 GBP|High: £3,433 GBP|Avg: £1,037 GBP|+0.4%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
September 9, 2026
Retailer 7£497 GBP
Retailer 4£555 GBP
Retailer 5£602 GBP
Retailer 6£615 GBP
Retailer 2£644 GBP
Retailer 9£765 GBP
Novita Diamonds£1,403 GBP
Retailer 8£1,858 GBP
Retailer 3£2,970 GBP

26 data points across 9 retailers

2 retailers

B+
Cheapest Retailer
-
£644 GBP
A$1,328 AUD
Most Expensive
Novita Diamonds
cert_783628159 · Jul 28
£1,403 GBP
A$2,893 AUD
View
Price last confirmed 96 days ago
1 more retailer has this diamond
Prices start from £644 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+
2.53ct Oval
£644 GBP