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Round|Lab Grown|IGI

3.02ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG842621903

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842621903

Diamond specifications and retailer prices

From £477 GBP
As of October 28, 2026
Save £1,031 GBP (68%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,508 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 3.02ct lab-grown round diamond

This 3.02ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG842621903 or 842621903. Listed at 2 retailers as of October 26, 2026, with prices from £477 to £1,508, a £1,031 spread on the same certified stone. Brilliant Earth lists it at £1,508. 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

3.02
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842621903
Dimensions9.40 × 9.49 × 5.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.40 mm9.49 mm3.02 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842621903
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 58.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £1,508 GBP|Low: £236 GBP|High: £1,508 GBP|Avg: £900 GBP
Brilliant Earth
Retailer 2
Retailer 3
October 28, 2026
Retailer 3£236 GBP
Retailer 2£477 GBP
Brilliant Earth£1,508 GBP

13 data points across 3 retailers

2 retailers£477 GBP to £1,508 GBP

A
Cheapest Retailer
-
£477 GBP
Most Expensive
B
Brilliant Earth
21704372A · Oct 26
£1,508 GBP
$2,020 USD
View
1 more retailer has this diamond
Prices start from £477 GBPSave up to £1,031 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
3.02ct Round
£477 GBP