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 $322 USD
As of October 28, 2026
Save $2,288 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,610 USD 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 $322 to $2,610, a $2,288 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
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $2,610 USD|Low: $322 USD|High: $2,750 USD|Avg: $924 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
October 29, 2026
Retailer 6$322 USD
Retailer 7$480 USD
Retailer 13$480 USD
Retailer 9$587 USD
Retailer 12$614 USD
Retailer 5$623 USD
Retailer 8$629 USD
Retailer 11$830 USD
Retailer 15$918 USD
Retailer 4$1,146 USD
Retailer 2$1,158 USD
Retailer 3$1,278 USD
Retailer 14$1,405 USD
Retailer 10$1,439 USD
Brilliant Earth$2,610 USD

42 data points across 15 retailers

19 retailers$322 USD to $2,610 USD

A
Cheapest Retailer
-
$322 USD
Final sale: no returns
A
Retailer 2
-
$397 USD
HK$3,100 HKD
View
A
Retailer 3
-
$480 USD
View
B+
Retailer 4
-
$480 USD
View
A
Retailer 5
-
$587 USD
€559 EUR
View
A
Retailer 6
-
$614 USD
ZAR 9,912 ZAR
View
A
Retailer 7
-
$623 USD
View
A
Retailer 8
-
$629 USD
£496 GBP
View
A
Retailer 9
-
$680 USD
View
B+
Retailer 10
-
$830 USD
A$1,277 AUD
View
B+
Retailer 11
-
$918 USD
View
B+
Retailer 12
-
$1,146 USD
SGD 1,548 SGD
View
B+
Retailer 13
-
$1,158 USD
A$1,782 AUD
View
B+
Retailer 14
-
$1,197 USD
View
B
Retailer 15
-
$1,278 USD
View
B+
Retailer 16
-
$1,405 USD
View
Price last confirmed 8 days ago
B
Retailer 17
-
$1,439 USD
£1,133 GBP
View
B
Retailer 18
-
$1,474 USD
View
Most Expensive
B
Brilliant Earth
12191464A · Oct 29
$2,610 USD
View
18 more retailers have this diamond
Prices start from $322 USDSave up to $2,288 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
$322 USD