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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 $460 AUD
$323 USD
As of October 30, 2026
Save $3,256 AUD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,716 AUD 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 29, 2026, with prices from $460 to $3,716, a $3,256 spread on the same certified stone. Brilliant Earth lists it at $3,716. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,716 AUD|Low: $458 AUD|High: $3,915 AUD|Avg: $1,317 AUD|-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 2$460 AUD
Retailer 7$683 AUD
Retailer 14$683 AUD
Retailer 10$836 AUD
Retailer 13$873 AUD
Retailer 6$887 AUD
Retailer 8$897 AUD
Retailer 12$1,182 AUD
Retailer 3$1,307 AUD
Retailer 5$1,631 AUD
Retailer 9$1,649 AUD
Retailer 4$1,819 AUD
Retailer 15$2,000 AUD
Retailer 11$2,048 AUD
Brilliant Earth$3,716 AUD

43 data points across 15 retailers

19 retailers$460 AUD to $3,716 AUD

A
Cheapest Retailer
-
$460 AUD
$323 USD
Final sale: no returns
A
Retailer 2
-
$565 AUD
HK$3,100 HKD
View
A
Retailer 3
-
$683 AUD
$480 USD
View
B+
Retailer 4
-
$683 AUD
$480 USD
View
A
Retailer 5
-
$836 AUD
€559 EUR
View
A
Retailer 6
-
$873 AUD
ZAR 9,912 ZAR
View
A
Retailer 7
-
$887 AUD
$623 USD
View
A
Retailer 8
-
$897 AUD
£496 GBP
View
A
Retailer 9
-
$968 AUD
$680 USD
View
B+
Retailer 10
-
$1,182 AUD
View
B+
Retailer 11
-
$1,307 AUD
$918 USD
View
B+
Retailer 12
-
$1,631 AUD
SGD 1,548 SGD
View
B+
Retailer 13
-
$1,649 AUD
View
B+
Retailer 14
-
$1,704 AUD
$1,197 USD
View
B
Retailer 15
-
$1,819 AUD
$1,278 USD
View
Retailer 16
-
$2,000 AUD
$1,405 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
$2,048 AUD
£1,133 GBP
View
B
Retailer 18
-
$2,099 AUD
$1,474 USD
View
Most Expensive
B
Brilliant Earth
12191464A · Oct 29
$3,716 AUD
$2,610 USD
View
18 more retailers have this diamond
Prices start from $460 AUDSave up to $3,256 AUD

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
$460 AUD