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Cushion|Lab Grown|IGI

3.04ct G SI1 Cushion Lab Grown Diamond

EX • G/SI1 • IGI LG564390343

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG564390343

Diamond specifications and retailer prices

From £362 GBP
As of November 6, 2026
Save £2,507 GBP (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,869 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 3.04ct lab-grown cushion diamond

This 3.04ct lab-grown cushion 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 LG564390343 or 564390343. Listed at 14 retailers as of November 6, 2026, with prices from £362 to £2,869, a £2,507 spread on the same certified stone. Do Amore Diamonds lists it at £2,869. 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

3.04
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG564390343
Dimensions9.73 × 7.81 × 5.02 mm
L/W Ratio1.25
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
9.73 mm7.81 mm3.04 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG564390343
Side View
Table 59.0%Crown 34.5°Girdle: Slightly ThickPavilion 39.1°Culet: NoneDepth 64.3%

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: £2,869 GBP|Low: £362 GBP|High: £2,869 GBP|Avg: £1,103 GBP|+7.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 5£362 GBP
Retailer 14£508 GBP
Retailer 6£578 GBP
Retailer 12£594 GBP
Retailer 3£634 GBP
Retailer 2£644 GBP
Retailer 8£725 GBP
Retailer 7£1,186 GBP
Retailer 9£1,234 GBP
Retailer 13£1,439 GBP
Retailer 4£1,532 GBP
Retailer 11£1,626 GBP
Retailer 10£1,712 GBP
Do Amore Diamonds£2,869 GBP

7 data points across 14 retailers

14 retailers£362 GBP to £2,869 GBP

A
Cheapest Retailer
-
£362 GBP
Final sale: no returns
A
Retailer 2
-
£508 GBP
View
B+
Retailer 3
-
£594 GBP
View
A
Retailer 4
-
£634 GBP
View
A
Retailer 5
-
£644 GBP
View
A
Retailer 6
-
£725 GBP
View
B+
Retailer 7
-
£1,186 GBP
View
B
Retailer 8
-
£1,234 GBP
View
B
Retailer 9
-
£1,439 GBP
View
B
Retailer 10
-
£1,531 GBP
View
B
Retailer 11
-
£1,532 GBP
View
B
Retailer 12
-
£1,626 GBP
View
B
Retailer 13
-
£1,712 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C1A25459E · Nov 6
£2,869 GBP
$3,840 USD
View
13 more retailers have this diamond
Prices start from £362 GBPSave up to £2,507 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
3.04ct Cushion
£362 GBP