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Cushion|Lab Grown|IGI

4.10ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG675597778

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG675597778

Diamond specifications and retailer prices

From £687 GBP
$920 USD
As of October 31, 2026
Save £2,590 GBP (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,276 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.1ct lab-grown cushion diamond

This 4.1ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG675597778 or 675597778. Listed at 13 retailers as of October 30, 2026, with prices from £687 to £3,276, a £2,590 spread on the same certified stone. Brilliant Earth lists it at £3,276. 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

4.10
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675597778
Dimensions9.39 × 9.21 × 6.01 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.39 mm9.21 mm4.10 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675597778
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 38°Culet: NoneDepth 65.3%

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: Oct 31
Current: £3,276 GBP|Low: £424 GBP|High: £3,963 GBP|Avg: £1,452 GBP|-15.3%
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
Retailer 14
October 31, 2026
Retailer 12£497 GBP
Retailer 6£504 GBP
Retailer 8£687 GBP
Retailer 2£811 GBP
Retailer 14£869 GBP
Retailer 7£885 GBP
Retailer 5£905 GBP
Retailer 3£1,238 GBP
Retailer 10£1,729 GBP
Retailer 13£1,890 GBP
Retailer 4£1,912 GBP
Retailer 9£2,347 GBP
Retailer 11£2,724 GBP
Brilliant Earth£3,276 GBP

37 data points across 14 retailers

13 retailers£687 GBP to £3,276 GBP

Retailer 1
-
£497 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
£687 GBP
$920 USD
View
A
Retailer 3
-
£811 GBP
€1,035 EUR
View
A
Retailer 4
-
£869 GBP
$1,165 USD
View
A
Retailer 5
-
£885 GBP
View
B+
Retailer 6
-
£905 GBP
$1,213 USD
View
A
Retailer 7
-
£1,238 GBP
$1,659 USD
View
B+
Retailer 8
-
£1,729 GBP
View
B
Retailer 9
-
£1,890 GBP
$2,532 USD
View
Retailer 10
-
£1,912 GBP
$2,562 USD
View
Price last confirmed 13 days ago
B
Retailer 11
-
£2,347 GBP
View
Retailer 12
-
£2,724 GBP
$3,650 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
13062897A · Oct 30
£3,276 GBP
$4,390 USD
View
12 more retailers have this diamond
Prices start from £687 GBPSave up to £2,590 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
4.10ct Cushion
£687 GBP