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Cushion|Lab Grown|IGI

3.02ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG750529935

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG750529935

Diamond specifications and retailer prices

From £529 GBP
As of November 6, 2026
Save £928 GBP (64%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,457 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 3.02ct lab-grown cushion diamond

This 3.02ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG750529935 or 750529935. Listed at 6 retailers as of November 1, 2026, with prices from £529 to £1,457, a £928 spread on the same certified stone. Rare Carat lists it at £1,457. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750529935
Dimensions8.25 × 8.16 × 5.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.25 mm8.16 mm3.02 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750529935
Side View
Table 64.0%Crown 33.6°Girdle: MED-VTKPavilion 35.9°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,457 GBP|Low: £529 GBP|High: £1,509 GBP|Avg: £875 GBP|-3.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 5£529 GBP
Retailer 4£565 GBP
Retailer 3£588 GBP
Retailer 6£731 GBP
Retailer 2£1,283 GBP
Rare Carat£1,457 GBP

43 data points across 6 retailers

6 retailers£529 GBP to £1,457 GBP

B+
Cheapest Retailer
-
£529 GBP
A
Retailer 2
-
£565 GBP
View
A
Retailer 3
-
£588 GBP
View
A
Retailer 4
-
£731 GBP
View
B+
Retailer 5
-
£1,283 GBP
View
Most Expensive
B
Rare Carat
791-11_l_750529935 · Nov 1
£1,457 GBP
$1,950 USD
View
5 more retailers have this diamond
Prices start from £529 GBPSave up to £928 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 Cushion
£529 GBP