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Oval|Lab Grown|IGI

0.39ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG585322365

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG585322365

Diamond specifications and retailer prices

From £199 GBP
As of October 29, 2026
Save £33 GBP (14%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £233 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 0.39ct lab-grown oval diamond

This 0.39ct lab-grown oval sits in the sub-half-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG585322365 or 585322365. Listed at 2 retailers as of October 29, 2026, with prices from £199 to £233, a £33 spread on the same certified stone. Brilliant Earth lists it at £233. 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

0.39
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG585322365
Dimensions5.82 × 4.16 × 2.58 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.82 mm4.16 mm0.39 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG585322365
Side View
Table 59.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: £233 GBP|Low: £199 GBP|High: £233 GBP|Avg: £218 GBP
Brilliant Earth
Retailer 2
December 30, 2025
Retailer 2£199 GBP
Brilliant Earth£233 GBP

5 data points across 2 retailers

2 retailers£199 GBP to £233 GBP

B+
Cheapest Retailer
-
£199 GBP
Most Expensive
B
Brilliant Earth
14686878Y · Oct 29
£233 GBP
$310 USD
View
1 more retailer has this diamond
Prices start from £199 GBPSave up to £33 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+
0.39ct Oval
£199 GBP