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Cushion|Lab Grown|IGI

3.20ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG729548400

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG729548400

Diamond specifications and retailer prices

From £4,843 GBP
$6,450 USD
As of October 29, 2026
2 retailers carry this diamond
Most expensive: £4,843 GBP at Brilliant Earth
View at Brilliant Earth

About this 3.2ct lab-grown cushion diamond

This 3.2ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG729548400 or 729548400. Listed at 2 retailers as of October 29, 2026. 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

3.20
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729548400
Dimensions10.94 × 7.29 × 4.80 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.94 mm7.29 mm3.20 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729548400
Side View
Table 64.0%Crown 34.6°Girdle: STK-VTKPavilion 36.6°Culet: NoneDepth 65.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: £4,843 GBP|Low: £674 GBP|High: £5,947 GBP|Avg: £2,201 GBP|-18.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
April 14, 2026
Retailer 12£877 GBP
Retailer 8£1,165 GBP
Retailer 3£1,192 GBP
Retailer 9£1,265 GBP
Retailer 5£1,293 GBP
Retailer 2£1,510 GBP
Retailer 11£1,558 GBP
Retailer 7£1,662 GBP
Retailer 4£1,762 GBP
Retailer 10£2,393 GBP
Retailer 6£3,488 GBP
Brilliant Earth£4,843 GBP

53 data points across 12 retailers

2 retailers

Retailer 1
-
£4,237 GBP
$5,643 USD
Most Expensive
B
Brilliant Earth
18144559B · Oct 29
£4,843 GBP
$6,450 USD
View
1 more retailer has this diamond

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
3.20ct Cushion
£4,843 GBP