CaratHunter
Plans
Cushion|Lab Grown|IGI

3.02ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG783616346

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG783616346

Diamond specifications and retailer prices

From £338 GBP
As of November 7, 2026
Save £1,783 GBP (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,122 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

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 LG783616346 or 783616346. Listed at 12 retailers as of November 6, 2026, with prices from £338 to £2,122, a £1,783 spread on the same certified stone. Brilliant Earth lists it at £2,122. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783616346
Dimensions9.23 × 7.93 × 5.16 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.23 mm7.93 mm3.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783616346
Side View
Table 62.0%Crown 32.1°Girdle: STK-THKPavilion 33.4°Culet: NoneDepth 65.1%

Caratlytics Score

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

Price History

Last verified: Nov 7
Current: £2,122 GBP|Low: £338 GBP|High: £2,241 GBP|Avg: £873 GBP|-5.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 4£338 GBP
Retailer 13£416 GBP
Retailer 8£452 GBP
Retailer 5£454 GBP
Retailer 9£540 GBP
Retailer 7£604 GBP
Retailer 3£629 GBP
Retailer 12£734 GBP
Retailer 10£859 GBP
Retailer 6£1,150 GBP
Retailer 2£1,315 GBP
Retailer 11£1,472 GBP
Brilliant Earth£2,122 GBP

44 data points across 13 retailers

12 retailers£338 GBP to £2,122 GBP

A
Cheapest Retailer
-
£338 GBP
A
Retailer 2
-
£452 GBP
View
B+
Retailer 3
-
£454 GBP
View
A
Retailer 4
-
£540 GBP
View
A
Retailer 5
-
£604 GBP
View
A
Retailer 6
-
£629 GBP
View
A
Retailer 7
-
£734 GBP
View
B+
Retailer 8
-
£859 GBP
View
B+
Retailer 9
-
£1,150 GBP
View
B+
Retailer 10
-
£1,315 GBP
View
B
Retailer 11
-
£1,472 GBP
View
Most Expensive
B
Brilliant Earth
18828788A · Nov 6
£2,122 GBP
$2,840 USD
View
11 more retailers have this diamond
Prices start from £338 GBPSave up to £1,783 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
£338 GBP