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Round|Natural|GIA

1.64ct M IF Round Natural Diamond

EX • M/IF • GIA 6401476425

Certificate GIA 6401476425

Diamond specifications and retailer prices

From HK$30,126 HKD
As of November 1, 2026
Save HK$17,118 HKD (36%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$67,469 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 M colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6401476425. Listed at 12 retailers as of November 1, 2026, with a 57% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
M
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6401476425
Dimensions7.70 × 7.66 × 4.57 mm
L/W Ratio1.01
Top View
7.70 mm7.66 mm1.64 ctM / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6401476425
Side View
Table 58.0%CrownGirdle: MED-MEDPavilionCulet: NoneDepth 59.5%

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$67,469 HKD|Low: HK$30,126 HKD|High: HK$67,469 HKD|Avg: HK$41,097 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4HK$30,126 HKD
Retailer 5HK$35,084 HKD
Retailer 7HK$35,084 HKD
Retailer 9HK$35,084 HKD
Retailer 6HK$37,108 HKD
Retailer 8HK$40,481 HKD
Retailer 3HK$40,960 HKD
Retailer 2HK$47,244 HKD
NZ JewellersHK$67,469 HKD

27 data points across 9 retailers

12 retailersHK$30,126 HKD to HK$47,244 HKD

A
Cheapest Retailer
-
HK$30,126 HKD
A
Retailer 2
-
HK$30,871 HKD
View
A
Retailer 3
-
HK$33,224 HKD
View
Retailer 4
-
HK$35,084 HKD
View
Price last confirmed 8 days ago
Retailer 5
-
HK$35,084 HKD
View
Price last confirmed 8 days ago
Retailer 6
-
HK$35,084 HKD
View
Price last confirmed 8 days ago
A
Retailer 7
-
HK$37,108 HKD
View
Retailer 8
-
HK$40,481 HKD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
HK$40,481 HKD
View
B+
Retailer 10
-
HK$40,960 HKD
View
B+
Retailer 11
-
HK$47,244 HKD
View
Most Expensive
NZ Jewellers
caa3ee22-6ea0-4fbf-87d5-cd9e7b606bdf · Oct 30
HK$67,469 HKD
$8,600 USD
View
Price last confirmed 7 days ago
11 more retailers have this diamond
Prices start from HK$30,126 HKDSave up to HK$17,118 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$30,126 HKD