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1.64ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG625480546

Shape and cutting style on the report: Round brilliant

Certificate IGI LG625480546

Diamond specifications and retailer prices

From HK$1,820 HKD
$232 USD
As of October 30, 2026
Save HK$13,793 HKD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$15,614 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.64ct lab-grown round diamond

This 1.64ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG625480546 or 625480546. Listed at 13 retailers as of October 30, 2026, with prices from HK$1,820 to HK$15,614, a HK$13,793 spread on the same certified stone. Do Amore Diamonds lists it at HK$15,614. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.64
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625480546
Dimensions7.49 × 7.46 × 4.72 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.49 mm7.46 mm1.64 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625480546
Side View
Table 58.0%Crown 36.1°Girdle: MediumPavilion 41.3°Culet: NoneDepth 63.1%

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: HK$15,614 HKD|Low: HK$1,483 HKD|High: HK$15,614 HKD|Avg: HK$5,853 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 7HK$1,820 HKD
Retailer 9HK$2,989 HKD
Retailer 6HK$3,484 HKD
Retailer 8HK$4,064 HKD
Retailer 2HK$4,105 HKD
Retailer 5HK$5,728 HKD
Retailer 4HK$6,497 HKD
Retailer 3HK$8,908 HKD
Do Amore DiamondsHK$15,614 HKD

40 data points across 9 retailers

13 retailersHK$1,820 HKD to HK$15,614 HKD

A
Cheapest Retailer
-
HK$1,820 HKD
$232 USD
Final sale: no returns
Retailer 2
-
HK$2,016 HKD
$257 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
HK$2,016 HKD
$257 USD
View
A
Retailer 4
-
HK$2,989 HKD
$381 USD
View
B+
Retailer 5
-
HK$3,484 HKD
$444 USD
View
B+
Retailer 6
-
HK$4,064 HKD
$518 USD
View
A
Retailer 7
-
HK$4,105 HKD
£412 GBP
View
Retailer 8
-
HK$5,728 HKD
$730 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
HK$6,497 HKD
$828 USD
View
Retailer 10
-
HK$7,148 HKD
$911 USD
View
Price last confirmed 26 days ago
B
Retailer 11
-
HK$7,148 HKD
$911 USD
View
B
Retailer 12
-
HK$8,908 HKD
£894 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F85E13E20 · Nov 2
HK$15,614 HKD
$1,990 USD
View
12 more retailers have this diamond
Prices start from HK$1,820 HKDSave up to HK$13,793 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 Round
HK$1,820 HKD