CaratHunter
Plans
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 $419 AUD
$294 USD
As of October 30, 2026
Save $3,297 AUD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,716 AUD 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 $419 to $3,716, a $3,297 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
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,716 AUD|Low: $414 AUD|High: $4,029 AUD|Avg: $1,183 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 31, 2026
Retailer 10$419 AUD
Retailer 4$468 AUD
Retailer 2$705 AUD
Retailer 12$774 AUD
Retailer 6$793 AUD
Retailer 3$831 AUD
Retailer 9$846 AUD
Retailer 13$887 AUD
Retailer 8$955 AUD
Retailer 5$1,101 AUD
Retailer 14$1,566 AUD
Retailer 11$1,804 AUD
Retailer 7$1,822 AUD
Retailer 15$1,889 AUD
Brilliant Earth$3,716 AUD

40 data points across 15 retailers

15 retailers$419 AUD to $3,716 AUD

A
Cheapest Retailer
-
$419 AUD
$294 USD
Final sale: no returns
A
Retailer 2
-
$468 AUD
$329 USD
View
A
Retailer 3
-
$705 AUD
$495 USD
View
A
Retailer 4
-
$774 AUD
$544 USD
View
Retailer 5
-
$793 AUD
ZAR 9,001 ZAR
View
Price last confirmed 7 days ago
A
Retailer 6
-
$831 AUD
€556 EUR
View
A
Retailer 7
-
$846 AUD
$594 USD
View
A
Retailer 8
-
$887 AUD
£491 GBP
View
A
Retailer 9
-
$955 AUD
$671 USD
View
B+
Retailer 10
-
$1,101 AUD
View
B+
Retailer 11
-
$1,566 AUD
$1,100 USD
View
B+
Retailer 12
-
$1,804 AUD
$1,267 USD
View
B
Retailer 13
-
$1,822 AUD
£1,008 GBP
View
B+
Retailer 14
-
$1,889 AUD
£1,045 GBP
View
Most Expensive
B
Brilliant Earth
19825166A · Oct 28
$3,716 AUD
$2,610 USD
View
14 more retailers have this diamond
Prices start from $419 AUDSave up to $3,297 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
$419 AUD