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Oval|Lab Grown|IGI

1.02ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG851696682

Certificate IGI LG851696682

Diamond specifications and retailer prices

From £275 GBP
As of November 6, 2026
Save £173 GBP (39%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £448 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.02ct lab-grown oval diamond

This 1.02ct lab-grown oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG851696682 or 851696682. Listed at 2 retailers as of November 6, 2026, with prices from £275 to £448, a £173 spread on the same certified stone. Brilliant Earth lists it at £448. 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

1.02
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
Polish
Symmetry
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG851696682
Dimensions8.05 × 5.75 × 3.57 mm
L/W Ratio1.40
Top View
8.05 mm5.75 mm1.02 ctD / SI1
OriginLab Grown
CutExcellent
FluorescenceNone
CertificateIGI LG851696682
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 62.1%

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: £448 GBP|Low: £275 GBP|High: £448 GBP|Avg: £362 GBP
Brilliant Earth
Retailer 2
November 6, 2026
Retailer 2£275 GBP
Brilliant Earth£448 GBP

1 data point across 2 retailers

2 retailers£275 GBP to £448 GBP

B+
Cheapest Retailer
-
£275 GBP
Most Expensive
B
Brilliant Earth
22524204A · Nov 6
£448 GBP
$600 USD
View
1 more retailer has this diamond
Prices start from £275 GBPSave up to £173 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+
1.02ct Oval
£275 GBP