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Oval|Lab Grown|IGI

1.05ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG853601048

Certificate IGI LG853601048

Diamond specifications and retailer prices

From £250 GBP
As of November 6, 2026
Save £229 GBP (48%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £478 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.05ct lab-grown oval diamond

This 1.05ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG853601048 or 853601048. Listed at 2 retailers as of November 6, 2026, with prices from £250 to £478, a £229 spread on the same certified stone. Brilliant Earth lists it at £478. 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

1.05
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
Polish
Symmetry
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG853601048
Dimensions8.23 × 5.81 × 3.50 mm
L/W Ratio1.42
Top View
8.23 mm5.81 mm1.05 ctE / SI1
OriginLab Grown
CutExcellent
FluorescenceNone
CertificateIGI LG853601048
Side View
Table 62.0%CrownGirdlePavilionCulet: NoneDepth 60.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £478 GBP|Low: £250 GBP|High: £478 GBP|Avg: £364 GBP
Brilliant Earth
Retailer 2
November 6, 2026
Retailer 2£250 GBP
Brilliant Earth£478 GBP

1 data point across 2 retailers

2 retailers£250 GBP to £478 GBP

B+
Cheapest Retailer
-
£250 GBP
Most Expensive
C
Brilliant Earth
22525545A · Nov 6
£478 GBP
$640 USD
View
1 more retailer has this diamond
Prices start from £250 GBPSave up to £229 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+
1.05ct Oval
£250 GBP