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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 HK$2,534 HKD
$323 USD
As of October 30, 2026
Save HK$17,943 HKD (88%) vs most expensive(unlock to see where)
19 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 LG662408406 or 662408406. Listed at 19 retailers as of October 29, 2026, with prices from HK$2,534 to HK$20,477, a HK$17,943 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
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

How it works →
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: HK$20,477 HKD|Low: HK$2,526 HKD|High: HK$21,576 HKD|Avg: HK$7,279 HKD|-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 2HK$2,534 HKD
Retailer 7HK$3,766 HKD
Retailer 14HK$3,766 HKD
Retailer 10HK$4,605 HKD
Retailer 13HK$4,814 HKD
Retailer 6HK$4,888 HKD
Retailer 8HK$4,942 HKD
Retailer 12HK$6,512 HKD
Retailer 3HK$7,202 HKD
Retailer 5HK$8,987 HKD
Retailer 9HK$9,088 HKD
Retailer 4HK$10,027 HKD
Retailer 15HK$11,023 HKD
Retailer 11HK$11,289 HKD
Brilliant EarthHK$20,477 HKD

42 data points across 15 retailers

19 retailersHK$2,534 HKD to HK$20,477 HKD

A
Cheapest Retailer
-
HK$2,534 HKD
$323 USD
Final sale: no returns
A
Retailer 2
-
HK$3,113 HKD
View
A
Retailer 3
-
HK$3,766 HKD
$480 USD
View
B+
Retailer 4
-
HK$3,766 HKD
$480 USD
View
A
Retailer 5
-
HK$4,605 HKD
€559 EUR
View
A
Retailer 6
-
HK$4,814 HKD
ZAR 9,912 ZAR
View
A
Retailer 7
-
HK$4,888 HKD
$623 USD
View
A
Retailer 8
-
HK$4,942 HKD
£496 GBP
View
A
Retailer 9
-
HK$5,335 HKD
$680 USD
View
B+
Retailer 10
-
HK$6,512 HKD
A$1,277 AUD
View
B+
Retailer 11
-
HK$7,202 HKD
$918 USD
View
B+
Retailer 12
-
HK$8,987 HKD
SGD 1,548 SGD
View
B+
Retailer 13
-
HK$9,088 HKD
A$1,782 AUD
View
B+
Retailer 14
-
HK$9,390 HKD
$1,197 USD
View
B
Retailer 15
-
HK$10,027 HKD
$1,278 USD
View
Retailer 16
-
HK$11,023 HKD
$1,405 USD
View
Price last confirmed 9 days ago
B
Retailer 17
-
HK$11,289 HKD
£1,133 GBP
View
B
Retailer 18
-
HK$11,567 HKD
$1,474 USD
View
Most Expensive
B
Brilliant Earth
12191464A · Oct 29
HK$20,477 HKD
$2,610 USD
View
18 more retailers have this diamond
Prices start from HK$2,534 HKDSave up to HK$17,943 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$2,534 HKD