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Radiant|Lab Grown|IGI

1.64ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG631413894

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG631413894

Diamond specifications and retailer prices

From HK$1,577 HKD
$201 USD
As of November 2, 2026
Save HK$10,977 HKD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$12,554 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.64ct lab-grown radiant diamond

This 1.64ct lab-grown radiant 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 LG631413894 or 631413894. Listed at 15 retailers as of November 2, 2026, with prices from HK$1,577 to HK$12,554, a HK$10,977 spread on the same certified stone. Brilliant Earth lists it at HK$12,554. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631413894
Dimensions8.49 × 5.94 × 3.94 mm
L/W Ratio1.43
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
8.49 mm5.94 mm1.64 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631413894
Side View
Table 62.0%Crown 32.2°Girdle: MediumPavilion 34.6°Culet: NoneDepth 66.3%

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: Nov 2
Current: HK$12,554 HKD|Low: HK$1,514 HKD|High: HK$13,574 HKD|Avg: HK$5,136 HKD|-7.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7HK$1,577 HKD
Retailer 10HK$1,765 HKD
Retailer 8HK$1,954 HKD
Retailer 2HK$2,286 HKD
Retailer 5HK$3,197 HKD
Retailer 3HK$3,588 HKD
Retailer 6HK$6,363 HKD
Retailer 4HK$9,147 HKD
Retailer 9HK$9,391 HKD
Brilliant EarthHK$12,554 HKD

44 data points across 10 retailers

15 retailersHK$1,577 HKD to HK$12,554 HKD

A
Cheapest Retailer
-
HK$1,577 HKD
$201 USD
A
Retailer 2
-
HK$1,765 HKD
$225 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,828 HKD
$233 USD
View
A
Retailer 4
-
HK$1,954 HKD
$249 USD
View
A
Retailer 5
-
HK$2,209 HKD
View
A
Retailer 6
-
HK$2,286 HKD
£229 GBP
View
A
Retailer 7
-
HK$3,197 HKD
€388 EUR
View
A
Retailer 8
-
HK$3,588 HKD
£360 GBP
View
A
Retailer 9
-
HK$4,661 HKD
$594 USD
View
Retailer 10
-
HK$6,363 HKD
$811 USD
View
Price last confirmed 18 days ago
B+
Retailer 11
-
HK$6,387 HKD
SGD 1,100 SGD
View
B+
Retailer 12
-
HK$6,707 HKD
$855 USD
View
B+
Retailer 13
-
HK$9,147 HKD
£918 GBP
View
B
Retailer 14
-
HK$9,391 HKD
$1,197 USD
View
Most Expensive
B
Brilliant Earth
21390609A · Nov 2
HK$12,554 HKD
$1,600 USD
View
14 more retailers have this diamond
Prices start from HK$1,577 HKDSave up to HK$10,977 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 Radiant
HK$1,577 HKD