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Cushion|Lab Grown|IGI

1.64ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG786680792

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG786680792

Diamond specifications and retailer prices

From $522 NZD
$294 USD
As of October 30, 2026
Save $4,109 NZD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,631 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 LG786680792 or 786680792. Listed at 15 retailers as of October 28, 2026, with prices from $522 to $4,631, a $4,109 spread on the same certified stone. Brilliant Earth lists it at $4,631. 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 angle35.8°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786680792
Dimensions7.78 × 6.04 × 4.12 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm6.04 mm1.64 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786680792
Side View
Table 64.0%Crown 35.8°Girdle: STK-VTKPavilion 36.5°Culet: NoneDepth 68.2%

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: $4,631 NZD|Low: $516 NZD|High: $5,021 NZD|Avg: $1,475 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
October 31, 2026
Retailer 11$522 NZD
Retailer 4$584 NZD
Retailer 8$878 NZD
Retailer 12$965 NZD
Retailer 6$989 NZD
Retailer 3$1,036 NZD
Retailer 10$1,054 NZD
Retailer 13$1,106 NZD
Retailer 9$1,191 NZD
Retailer 5$1,372 NZD
Retailer 14$1,952 NZD
Retailer 7$2,271 NZD
Retailer 2$2,278 NZD
Retailer 15$2,355 NZD
Brilliant Earth$4,631 NZD

40 data points across 15 retailers

15 retailers$522 NZD to $4,631 NZD

A
Cheapest Retailer
-
$522 NZD
$294 USD
Final sale: no returns
A
Retailer 2
-
$584 NZD
$329 USD
View
A
Retailer 3
-
$878 NZD
$495 USD
View
A
Retailer 4
-
$965 NZD
$544 USD
View
Retailer 5
-
$989 NZD
ZAR 9,001 ZAR
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,036 NZD
€556 EUR
View
A
Retailer 7
-
$1,054 NZD
$594 USD
View
A
Retailer 8
-
$1,106 NZD
£491 GBP
View
A
Retailer 9
-
$1,191 NZD
$671 USD
View
B+
Retailer 10
-
$1,372 NZD
A$1,190 AUD
View
B+
Retailer 11
-
$1,952 NZD
$1,100 USD
View
B
Retailer 12
-
$2,271 NZD
£1,008 GBP
View
B+
Retailer 13
-
$2,278 NZD
$1,284 USD
View
B+
Retailer 14
-
$2,355 NZD
£1,045 GBP
View
Most Expensive
B
Brilliant Earth
19825166A · Oct 28
$4,631 NZD
$2,610 USD
View
14 more retailers have this diamond
Prices start from $522 NZDSave up to $4,109 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
$522 NZD