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Cushion|Lab Grown|IGI

1.64ct D VVS2 Cushion Lab Grown Diamond

EX • D/VVS2 • IGI LG662408406

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG662408406

Diamond specifications and retailer prices

From £242 GBP
$322 USD
As of October 28, 2026
Save £1,718 GBP (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,960 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.64ct lab-grown cushion diamond

This 1.64ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG662408406 or 662408406. Listed at 19 retailers as of October 28, 2026, with prices from £242 to £1,960, a £1,718 spread on the same certified stone. Brilliant Earth lists it at £1,960. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
D
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662408406
Dimensions6.60 × 6.57 × 6.60 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.60 mm6.57 mm1.64 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662408406
Side View
Table 67.0%Crown 35.8°Girdle: STK-VTKPavilion 40.4°Culet: NoneDepth 70.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £1,960 GBP|Low: £242 GBP|High: £2,065 GBP|Avg: £695 GBP|-5.1%
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
Retailer 15
October 30, 2026
Retailer 6£242 GBP
Retailer 7£360 GBP
Retailer 13£360 GBP
Retailer 9£441 GBP
Retailer 12£461 GBP
Retailer 5£468 GBP
Retailer 2£473 GBP
Retailer 11£623 GBP
Retailer 15£689 GBP
Retailer 4£860 GBP
Retailer 8£870 GBP
Retailer 3£960 GBP
Retailer 14£1,055 GBP
Retailer 10£1,081 GBP
Brilliant Earth£1,960 GBP

43 data points across 15 retailers

19 retailers£242 GBP to £1,960 GBP

A
Cheapest Retailer
-
£242 GBP
$322 USD
Final sale: no returns
A
Retailer 2
-
£298 GBP
HK$3,100 HKD
View
A
Retailer 3
-
£360 GBP
$480 USD
View
B+
Retailer 4
-
£360 GBP
$480 USD
View
A
Retailer 5
-
£441 GBP
€559 EUR
View
A
Retailer 6
-
£461 GBP
ZAR 9,912 ZAR
View
A
Retailer 7
-
£468 GBP
$623 USD
View
A
Retailer 8
-
£473 GBP
View
A
Retailer 9
-
£511 GBP
$680 USD
View
B+
Retailer 10
-
£623 GBP
A$1,277 AUD
View
B+
Retailer 11
-
£689 GBP
$918 USD
View
B+
Retailer 12
-
£860 GBP
SGD 1,548 SGD
View
B+
Retailer 13
-
£870 GBP
A$1,782 AUD
View
B+
Retailer 14
-
£899 GBP
$1,197 USD
View
B
Retailer 15
-
£960 GBP
$1,278 USD
View
Retailer 16
-
£1,055 GBP
$1,405 USD
View
Price last confirmed 8 days ago
B
Retailer 17
-
£1,081 GBP
View
B
Retailer 18
-
£1,107 GBP
$1,474 USD
View
Most Expensive
B
Brilliant Earth
12191464A · Oct 29
£1,960 GBP
$2,610 USD
View
18 more retailers have this diamond
Prices start from £242 GBPSave up to £1,718 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
1.64ct Cushion
£242 GBP