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1.64ct D I1 Round Natural Diamond

EX • D/I1 • GIA 6512267532

Certificate GIA 6512267532

Diamond specifications and retailer prices

From HK$40,873 HKD
As of November 1, 2026
Save HK$51,502 HKD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$92,375 HKD at NZ Jewellers · As of October 30, 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 D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6512267532. Listed at 8 retailers as of October 30, 2026, with prices from HK$40,873 to HK$92,375, a HK$51,502 spread on the same certified stone. NZ Jewellers lists it at HK$92,375. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
D
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6512267532
Dimensions7.46 × 7.53 × 4.68 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
7.46 mm7.53 mm1.64 ctD / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512267532
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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$92,375 HKD|Low: HK$40,471 HKD|High: HK$92,713 HKD|Avg: HK$57,666 HKD|-0.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3HK$40,873 HKD
Retailer 9HK$47,568 HKD
Retailer 4HK$48,173 HKD
Retailer 7HK$50,981 HKD
Retailer 8HK$55,234 HKD
Retailer 5HK$56,081 HKD
Retailer 10HK$58,678 HKD
Retailer 2HK$60,088 HKD
Retailer 6HK$63,731 HKD
NZ JewellersHK$92,375 HKD

22 data points across 10 retailers

8 retailersHK$40,873 HKD to HK$92,375 HKD

A
Cheapest Retailer
-
HK$40,873 HKD
B+
Retailer 2
-
HK$48,173 HKD
$6,140 USD
View
B+
Retailer 3
-
HK$50,981 HKD
$6,498 USD
View
B+
Retailer 4
-
HK$55,234 HKD
$7,040 USD
View
B+
Retailer 5
-
HK$56,081 HKD
$7,148 USD
View
B+
Retailer 6
-
HK$60,088 HKD
€7,294 EUR
View
B
Retailer 7
-
HK$63,731 HKD
$8,123 USD
View
Most Expensive
B
NZ Jewellers
9a756e69-1c1c-4f17-b479-10fa98c22f1f · Oct 30
HK$92,375 HKD
$11,774 USD
View
7 more retailers have this diamond
Prices start from HK$40,873 HKDSave up to HK$51,502 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$40,873 HKD