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Cushion|Lab Grown|IGI

1.64ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG665409423

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG665409423

Diamond specifications and retailer prices

From $309 USD
As of October 29, 2026
Save $2,301 USD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,610 USD at Brilliant Earth · As of October 28, 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 LG665409423 or 665409423. Listed at 18 retailers as of October 28, 2026, with prices from $309 to $2,610, a $2,301 spread on the same certified stone. Brilliant Earth lists it at $2,610. 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
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.6°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665409423
Dimensions7.14 × 6.91 × 4.64 mm
L/W Ratio1.03
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
7.14 mm6.91 mm1.64 ctD / VVS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG665409423
Side View
Table 63.0%Crown 38.6°Girdle: THK-VTKPavilion 41.8°Culet: NoneDepth 67.1%

Caratlytics Score

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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 29
Current: $2,610 USD|Low: $307 USD|High: $2,750 USD|Avg: $933 USD|-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
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 12$309 USD
Retailer 3$343 USD
Retailer 8$540 USD
Retailer 5$566 USD
Retailer 14$590 USD
Retailer 11$590 USD
Retailer 2$604 USD
Retailer 18$610 USD
Retailer 17$676 USD
Retailer 4$918 USD
Retailer 7$1,154 USD
Retailer 9$1,284 USD
Retailer 15$1,341 USD
Retailer 13$1,383 USD
Retailer 16$1,405 USD
Retailer 6$1,439 USD
Retailer 10$1,469 USD
Brilliant Earth$2,610 USD

41 data points across 18 retailers

18 retailers$309 USD to $2,610 USD

A
Cheapest Retailer
-
$309 USD
Final sale: no returns
A
Retailer 2
-
$343 USD
View
A
Retailer 3
-
$540 USD
View
A
Retailer 4
-
$566 USD
View
A
Retailer 5
-
$590 USD
ZAR 9,528 ZAR
View
A
Retailer 6
-
$590 USD
€562 EUR
View
A
Retailer 7
-
$604 USD
£476 GBP
View
A
Retailer 8
-
$610 USD
View
A
Retailer 9
-
$676 USD
View
B+
Retailer 10
-
$918 USD
View
B+
Retailer 11
-
$1,154 USD
View
B
Retailer 12
-
$1,284 USD
View
B
Retailer 13
-
$1,341 USD
£1,056 GBP
View
B
Retailer 14
-
$1,383 USD
£1,089 GBP
View
B
Retailer 15
-
$1,405 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$1,439 USD
View
B
Retailer 17
-
$1,499 USD
View
Most Expensive
B
Brilliant Earth
13244189A · Oct 28
$2,610 USD
View
17 more retailers have this diamond
Prices start from $309 USDSave up to $2,301 USD

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
$309 USD