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Cushion|Lab Grown|IGI

1.64ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG794629111

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG794629111

Diamond specifications and retailer prices

From £337 GBP
$449 USD
As of October 29, 2026
Save £1,790 GBP (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,127 GBP at Queensmith · As of October 27, 2026
View at Queensmith

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 LG794629111 or 794629111. Listed at 19 retailers as of October 27, 2026, with prices from £337 to £2,127, a £1,790 spread on the same certified stone. Queensmith lists it at £2,127. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794629111
Dimensions7.80 × 6.89 × 4.12 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizeLarge
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
7.80 mm6.89 mm1.64 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794629111
Side View
Table 53.0%Crown 32.5°Girdle: MED-STKPavilion 40.2°Culet: LargeDepth 59.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £691 GBP|Low: £337 GBP|High: £2,058 GBP|Avg: £953 GBP|-6.2%
Retailer 1
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Retailer 18
October 30, 2026
Retailer 16£337 GBP
Retailer 3£378 GBP
Retailer 8£378 GBP
Retailer 7£418 GBP
Retailer 10£487 GBP
Retailer 13£526 GBP
Retailer 2£552 GBP
Retailer 17£562 GBP
Retailer 1£691 GBP
Retailer 11£973 GBP
Retailer 14£1,123 GBP
Retailer 5£1,213 GBP
Retailer 9£1,328 GBP
Retailer 15£1,343 GBP
Retailer 6£1,368 GBP
Retailer 18£1,493 GBP
Retailer 12£1,544 GBP
Retailer 4£1,564 GBP

44 data points across 18 retailers

19 retailers£337 GBP to £2,127 GBP

A
Cheapest Retailer
-
£337 GBP
$449 USD
A
Retailer 2
-
£378 GBP
$503 USD
View
Final sale: no returns
A
Retailer 3
-
£378 GBP
$503 USD
View
A
Retailer 4
-
£418 GBP
$557 USD
View
Retailer 5
-
£487 GBP
$649 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£526 GBP
$700 USD
View
A
Retailer 7
-
£552 GBP
$735 USD
View
A
Retailer 8
-
£562 GBP
$748 USD
View
B+
Retailer 9
-
£691 GBP
View
B
Retailer 10
-
£973 GBP
A$1,994 AUD
View
B
Retailer 11
-
£1,123 GBP
$1,496 USD
View
B
Retailer 12
-
£1,213 GBP
View
B
Retailer 13
-
£1,328 GBP
SGD 2,389 SGD
View
B
Retailer 14
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£1,343 GBP
$1,789 USD
View
B
Retailer 15
-
£1,368 GBP
$1,821 USD
View
B
Retailer 16
-
£1,493 GBP
$1,988 USD
View
B
Retailer 17
-
£1,544 GBP
View
B
Retailer 18
-
£1,564 GBP
$2,083 USD
View
Most Expensive
B
Queensmith
LG794629111 · Oct 27
£2,127 GBP
View
18 more retailers have this diamond
Prices start from £337 GBPSave up to £1,790 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
£337 GBP