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Round|Natural|GIA

1.64ct I I1 Round Natural Diamond

EX • I/I1 • GIA 5193951350

Certificate GIA 5193951350

Diamond specifications and retailer prices

From HK$22,118 HKD
$2,819 USD
As of November 1, 2026
Save HK$20,902 HKD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$43,020 HKD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.64ct natural round diamond

This 1.64ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 5193951350. Listed at 8 retailers as of November 1, 2026, with prices from HK$22,118 to HK$43,020, a HK$20,902 spread on the same certified stone. NZ Jewellers lists it at HK$43,020. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 5193951350
Dimensions7.66 × 7.69 × 4.59 mm
L/W Ratio1.00
Top View
7.66 mm7.69 mm1.64 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5193951350
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 59.8%

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: Nov 1
Current: HK$28,793 HKD|Low: HK$16,024 HKD|High: HK$29,382 HKD|Avg: HK$23,767 HKD|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 5HK$16,024 HKD
Retailer 3HK$22,118 HKD
Retailer 2HK$22,754 HKD
Retailer 1HK$28,793 HKD
Retailer 4HK$29,382 HKD

19 data points across 5 retailers

8 retailersHK$22,118 HKD to HK$43,020 HKD

A
Cheapest Retailer
-
HK$22,118 HKD
$2,819 USD
A
Retailer 2
-
HK$22,754 HKD
$2,900 USD
View
B+
Retailer 3
-
HK$24,692 HKD
$3,147 USD
View
B+
Retailer 4
-
HK$24,692 HKD
$3,147 USD
View
B+
Retailer 5
-
HK$25,641 HKD
$3,268 USD
View
B+
Retailer 6
-
HK$28,489 HKD
$3,631 USD
View
B+
Retailer 7
-
HK$28,793 HKD
€3,495 EUR
View
Most Expensive
B
NZ Jewellers
64ed2ebf-a237-453a-99aa-3c27c72d46fc · Nov 2
HK$43,020 HKD
$5,483 USD
View
7 more retailers have this diamond
Prices start from HK$22,118 HKDSave up to HK$20,902 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$22,118 HKD