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Cushion|Lab Grown|IGI

4.64ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG732529015

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG732529015

Diamond specifications and retailer prices

From £729 GBP
As of October 30, 2026
Save £3,368 GBP (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,097 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.64ct lab-grown cushion diamond

This 4.64ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG732529015 or 732529015. Listed at 17 retailers as of October 30, 2026, with prices from £729 to £4,097, a £3,368 spread on the same certified stone. Brilliant Earth lists it at £4,097. 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

4.64
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732529015
Dimensions9.54 × 9.54 × 6.39 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.54 mm9.54 mm4.64 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732529015
Side View
Table 65.0%Crown 38.8°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 67.0%

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: Oct 30
Current: £4,097 GBP|Low: £727 GBP|High: £4,500 GBP|Avg: £1,979 GBP|-9.0%
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
October 31, 2026
Retailer 6£729 GBP
Retailer 4£795 GBP
Retailer 2£858 GBP
Retailer 13£1,270 GBP
Retailer 8£1,289 GBP
Retailer 7£1,300 GBP
Retailer 11£1,662 GBP
Retailer 12£2,260 GBP
Retailer 5£2,332 GBP
Retailer 9£2,862 GBP
Retailer 3£2,977 GBP
Retailer 10£3,101 GBP
Brilliant Earth£4,097 GBP

42 data points across 13 retailers

17 retailers£729 GBP to £4,097 GBP

A
Cheapest Retailer
-
£729 GBP
A
Retailer 2
-
£795 GBP
$1,065 USD
View
Final sale: no returns
A
Retailer 3
-
£858 GBP
$1,150 USD
View
A
Retailer 4
-
£1,032 GBP
HK$10,800 HKD
View
A
Retailer 5
-
£1,243 GBP
$1,665 USD
View
A
Retailer 6
-
£1,270 GBP
$1,702 USD
View
A
Retailer 7
-
£1,289 GBP
€1,645 EUR
View
A
Retailer 8
-
£1,300 GBP
View
B+
Retailer 9
-
£1,662 GBP
$2,227 USD
View
B+
Retailer 10
-
£2,260 GBP
$3,028 USD
View
B+
Retailer 11
-
£2,332 GBP
View
B+
Retailer 12
-
£2,376 GBP
$3,183 USD
View
B+
Retailer 13
-
£2,862 GBP
View
B
Retailer 14
-
£2,977 GBP
SGD 5,391 SGD
View
B
Retailer 15
-
£3,001 GBP
$4,021 USD
View
Retailer 16
-
£3,101 GBP
$4,155 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
20794250Y · Oct 30
£4,097 GBP
$5,490 USD
View
16 more retailers have this diamond
Prices start from £729 GBPSave up to £3,368 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
4.64ct Cushion
£729 GBP