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Cushion|Lab Grown|IGI

3.02ct H SI1 Cushion Lab Grown Diamond

ID • H/SI1 • IGI LG542230631

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG542230631

Diamond specifications and retailer prices

From £1,674 GBP
As of November 6, 2026
Save £6,349 GBP (79%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £8,022 GBP at Moon Ocean · As of November 6, 2026
View at Moon Ocean

About this 3.02ct lab-grown cushion diamond

This 3.02ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG542230631 or 542230631. Listed at 6 retailers as of November 6, 2026, with prices from £1,674 to £8,022, a £6,349 spread on the same certified stone. Moon Ocean lists it at £8,022. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542230631
Dimensions8.83 × 8.14 × 5.48 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
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
8.83 mm8.14 mm3.02 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542230631
Side View
Table 63.5%Crown 32.7°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 67.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £8,022 GBP|Low: £1,674 GBP|High: £12,547 GBP|Avg: £6,775 GBP|-1.6%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3£1,674 GBP
Retailer 8£5,576 GBP
Retailer 6£6,268 GBP
Retailer 5£6,306 GBP
Retailer 7£6,471 GBP
Retailer 4£7,304 GBP
Moon Ocean£8,022 GBP
Retailer 2£12,347 GBP

38 data points across 8 retailers

6 retailers£1,674 GBP to £8,022 GBP

B+
Cheapest Retailer
-
£1,674 GBP
B
Retailer 2
-
£6,268 GBP
View
Retailer 3
-
£6,306 GBP
View
Price last confirmed 25 days ago
B
Retailer 4
-
£7,304 GBP
View
Most Expensive
B
Moon Ocean
NVL-3F58A5971-631 · Nov 6
£8,022 GBP
View
4 more retailers have this diamond
Prices start from £1,674 GBPSave up to £6,349 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+
3.02ct Cushion
£1,674 GBP