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Cushion|Lab Grown|IGI

3.04ct G VVS1 Cushion Lab Grown Diamond

EX • G/VVS1 • IGI LG837644679

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG837644679

Diamond specifications and retailer prices

From £623 GBP
As of November 4, 2026
Save £3,755 GBP (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,378 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837644679 or 837644679. Listed at 10 retailers as of November 4, 2026, with prices from £623 to £4,378, a £3,755 spread on the same certified stone. Brilliant Earth lists it at £4,378. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.04
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837644679
Dimensions8.89 × 8.60 × 5.61 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.89 mm8.60 mm3.04 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837644679
Side View
Table 54.0%Crown 34.2°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 65.2%

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 4
Current: £2,519 GBP|Low: £486 GBP|High: £2,519 GBP|Avg: £1,237 GBP
Brilliant Earth
Retailer 2
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October 20, 2026
Retailer 12£486 GBP
Retailer 20£510 GBP
Retailer 4£567 GBP
Retailer 16£623 GBP
Retailer 3£705 GBP
Retailer 6£757 GBP
Retailer 17£815 GBP
Retailer 5£854 GBP
Retailer 14£1,015 GBP
Retailer 8£1,036 GBP
Retailer 21£1,066 GBP
Retailer 2£1,189 GBP
Retailer 18£1,642 GBP
Retailer 10£1,670 GBP
Retailer 11£1,672 GBP
Retailer 13£1,722 GBP
Retailer 7£2,067 GBP
Retailer 9£2,103 GBP
Retailer 19£2,241 GBP
Retailer 15£2,390 GBP
Brilliant Earth£2,519 GBP

21 data points across 21 retailers

10 retailers£623 GBP to £4,378 GBP

A
Cheapest Retailer
-
£623 GBP
A
Retailer 2
-
£815 GBP
View
Retailer 3
-
£1,066 GBP
View
Price last confirmed 34 days ago
B+
Retailer 4
-
£1,189 GBP
View
B+
Retailer 5
-
£1,722 GBP
View
Retailer 6
-
£2,067 GBP
View
Price last confirmed 35 days ago
Retailer 7
-
£2,241 GBP
View
Price last confirmed 31 days ago
B
Retailer 8
-
£2,390 GBP
View
Retailer 9
-
£2,519 GBP
View
Price last confirmed 32 days ago
Most Expensive
B
Brilliant Earth
21718332A · Nov 4
£4,378 GBP
$5,910 USD
View
9 more retailers have this diamond
Prices start from £623 GBPSave up to £3,755 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
£623 GBP