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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 HK$2,424 HKD
$309 USD
As of October 29, 2026
Save HK$18,053 HKD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$20,477 HKD 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 LG665409423 or 665409423. Listed at 18 retailers as of October 29, 2026, with prices from HK$2,424 to HK$20,477, a HK$18,053 spread on the same certified stone. Brilliant Earth lists it at HK$20,477. 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: HK$20,477 HKD|Low: HK$2,409 HKD|High: HK$21,576 HKD|Avg: HK$7,347 HKD|-5.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
October 30, 2026
Retailer 12HK$2,424 HKD
Retailer 3HK$2,691 HKD
Retailer 8HK$4,237 HKD
Retailer 5HK$4,441 HKD
Retailer 14HK$4,627 HKD
Retailer 11HK$4,630 HKD
Retailer 2HK$4,742 HKD
Retailer 18HK$4,786 HKD
Retailer 17HK$5,304 HKD
Retailer 4HK$7,202 HKD
Retailer 7HK$9,055 HKD
Retailer 9HK$10,074 HKD
Retailer 15HK$10,522 HKD
Retailer 13HK$10,851 HKD
Retailer 16HK$11,023 HKD
Retailer 6HK$11,288 HKD
Retailer 10HK$11,525 HKD
Brilliant EarthHK$20,477 HKD

42 data points across 18 retailers

18 retailersHK$2,424 HKD to HK$20,477 HKD

A
Cheapest Retailer
-
HK$2,424 HKD
$309 USD
Final sale: no returns
A
Retailer 2
-
HK$2,691 HKD
$343 USD
View
A
Retailer 3
-
HK$4,237 HKD
$540 USD
View
A
Retailer 4
-
HK$4,441 HKD
$566 USD
View
A
Retailer 5
-
HK$4,627 HKD
ZAR 9,528 ZAR
View
A
Retailer 6
-
HK$4,630 HKD
€562 EUR
View
A
Retailer 7
-
HK$4,742 HKD
£476 GBP
View
A
Retailer 8
-
HK$4,786 HKD
$610 USD
View
A
Retailer 9
-
HK$5,304 HKD
$676 USD
View
B+
Retailer 10
-
HK$7,202 HKD
$918 USD
View
B+
Retailer 11
-
HK$9,055 HKD
$1,154 USD
View
B
Retailer 12
-
HK$10,074 HKD
$1,284 USD
View
B
Retailer 13
-
HK$10,522 HKD
£1,056 GBP
View
B
Retailer 14
-
HK$10,851 HKD
£1,089 GBP
View
Retailer 15
-
HK$11,023 HKD
$1,405 USD
View
Price last confirmed 9 days ago
B
Retailer 16
-
HK$11,288 HKD
$1,439 USD
View
B
Retailer 17
-
HK$11,761 HKD
$1,499 USD
View
Most Expensive
B
Brilliant Earth
13244189A · Oct 29
HK$20,477 HKD
$2,610 USD
View
17 more retailers have this diamond
Prices start from HK$2,424 HKDSave up to HK$18,053 HKD

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
HK$2,424 HKD