Round|Natural|GIA

1.64ct E IF Round Natural Diamond

EX • E/IF • GIA 5222650249

Shape and cutting style on the report: Round brilliant

Certificate GIA 5222650249

Diamond specifications and retailer prices

From HK$208,680 HKD
$26,600 USD
As of October 28, 2026
Save HK$113,684 HKD (35%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$322,364 HKD at Diamond Quarter · As of October 28, 2026
View at Diamond Quarter

About this 1.64ct natural round diamond

This 1.64ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5222650249. Listed at 4 retailers as of October 28, 2026, with prices from HK$208,680 to HK$322,364, a HK$113,684 spread on the same certified stone. Diamond Quarter lists it at HK$322,364. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5222650249
Dimensions7.77 × 7.80 × 4.55 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.77 mm7.80 mm1.64 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5222650249
Side View
Table 59.0%Crown 32°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 58.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: HK$195,056 HKD|Low: HK$137,483 HKD|High: HK$333,291 HKD|Avg: HK$204,502 HKD|-3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
September 1, 2026
Retailer 3HK$137,483 HKD
Retailer 1HK$195,056 HKD
Retailer 2HK$198,148 HKD
Retailer 9HK$208,680 HKD
Retailer 10HK$208,680 HKD
Retailer 7HK$210,305 HKD
Retailer 5HK$214,510 HKD
Retailer 8HK$215,662 HKD
Retailer 4HK$220,951 HKD
Retailer 11HK$228,727 HKD
Retailer 6HK$333,291 HKD

51 data points across 11 retailers

4 retailersHK$208,680 HKD to HK$322,364 HKD

B+
Cheapest Retailer
-
HK$208,680 HKD
$26,600 USD
B+
Retailer 2
-
HK$208,680 HKD
$26,600 USD
View
B+
Retailer 3
-
HK$215,662 HKD
$27,490 USD
View
Most Expensive
B
Diamond Quarter
1.64IFE52493321N · Oct 28
HK$322,364 HKD
£32,355 GBP
View
3 more retailers have this diamond
Prices start from HK$208,680 HKDSave up to HK$113,684 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.

B+
1.64ct Round
HK$208,680 HKD