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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 $550 NZD
$309 USD
As of October 29, 2026
Save $4,099 NZD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,650 NZD 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 $550 to $4,650, a $4,099 spread on the same certified stone. Brilliant Earth lists it at $4,650. 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
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: $4,650 NZD|Low: $547 NZD|High: $4,899 NZD|Avg: $1,657 NZD|-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 11$550 NZD
Retailer 3$611 NZD
Retailer 8$962 NZD
Retailer 5$1,008 NZD
Retailer 13$1,051 NZD
Retailer 2$1,051 NZD
Retailer 14$1,070 NZD
Retailer 18$1,087 NZD
Retailer 17$1,204 NZD
Retailer 4$1,635 NZD
Retailer 7$2,056 NZD
Retailer 9$2,287 NZD
Retailer 15$2,389 NZD
Retailer 12$2,464 NZD
Retailer 16$2,503 NZD
Retailer 6$2,563 NZD
Retailer 10$2,617 NZD
Brilliant Earth$4,650 NZD

41 data points across 18 retailers

18 retailers$550 NZD to $4,650 NZD

A
Cheapest Retailer
-
$550 NZD
$309 USD
Final sale: no returns
A
Retailer 2
-
$611 NZD
$343 USD
View
A
Retailer 3
-
$962 NZD
$540 USD
View
A
Retailer 4
-
$1,008 NZD
$566 USD
View
A
Retailer 5
-
$1,051 NZD
ZAR 9,528 ZAR
View
A
Retailer 6
-
$1,051 NZD
€562 EUR
View
A
Retailer 7
-
$1,070 NZD
£473 GBP
View
A
Retailer 8
-
$1,087 NZD
$610 USD
View
A
Retailer 9
-
$1,204 NZD
$676 USD
View
B+
Retailer 10
-
$1,635 NZD
$918 USD
View
B+
Retailer 11
-
$2,056 NZD
$1,154 USD
View
B
Retailer 12
-
$2,287 NZD
$1,284 USD
View
B
Retailer 13
-
$2,389 NZD
£1,056 GBP
View
B
Retailer 14
-
$2,464 NZD
£1,089 GBP
View
B
Retailer 15
-
$2,503 NZD
$1,405 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$2,563 NZD
$1,439 USD
View
B
Retailer 17
-
$2,670 NZD
$1,499 USD
View
Most Expensive
B
Brilliant Earth
13244189A · Oct 28
$4,650 NZD
$2,610 USD
View
17 more retailers have this diamond
Prices start from $550 NZDSave up to $4,099 NZD

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
$550 NZD