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Asscher|Lab Grown|IGI

1.64ct F VS1 Asscher Lab Grown Diamond

EX • F/VS1 • IGI LG620431972

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG620431972

Diamond specifications and retailer prices

From HK$10,317 HKD
£1,035 GBP
As of November 2, 2026
2 retailers carry this diamond
Most expensive: HK$10,317 HKD at Diamond Quarter
View at Diamond Quarter

About this 1.64ct lab-grown asscher diamond

This 1.64ct lab-grown asscher sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620431972 or 620431972. Listed at 2 retailers as of November 2, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620431972
Dimensions6.54 × 6.42 × 4.30 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.54 mm6.42 mm1.64 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620431972
Side View
Table 62.0%Crown 32.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 67.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: HK$18,438 HKD|Low: HK$1,428 HKD|High: HK$18,438 HKD|Avg: HK$6,993 HKD|+15.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
August 27, 2026
Retailer 7HK$1,428 HKD
Retailer 5HK$3,813 HKD
Retailer 12HK$3,862 HKD
Retailer 8HK$3,898 HKD
Retailer 11HK$4,441 HKD
Retailer 2HK$4,615 HKD
Retailer 10HK$4,841 HKD
Retailer 4HK$6,796 HKD
Retailer 6HK$8,198 HKD
Retailer 9HK$8,802 HKD
Retailer 3HK$8,849 HKD
Retailer 1HK$18,438 HKD

56 data points across 12 retailers

2 retailers

Retailer 1
-
HK$8,198 HKD
$1,045 USD
Price last confirmed 54 days ago
Most Expensive
B
Diamond Quarter
1.64VS1FLG726DA0N · Nov 2
HK$10,317 HKD
£1,035 GBP
View
1 more retailer has this diamond

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.

B
1.64ct Asscher
HK$10,317 HKD