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Heart|Natural|GIA

0.64ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6535657775

Certificate GIA 6535657775

Diamond specifications and retailer prices

From HK$4,004 HKD
₹48,605 INR
As of November 2, 2026
Save HK$12,739 HKD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$16,744 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.64ct natural heart diamond

This 0.64ct natural heart sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6535657775. Listed at 18 retailers as of October 30, 2026, with prices from HK$4,004 to HK$16,744, a HK$12,739 spread on the same certified stone. NZ Jewellers lists it at HK$16,744. 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

0.64
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6535657775
Dimensions5.17 × 6.09 × 3.50 mm
L/W Ratio1.18
Top View
5.17 mm6.09 mm0.64 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535657775
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 57.5%

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 2
Current: HK$16,744 HKD|Low: HK$3,996 HKD|High: HK$16,744 HKD|Avg: HK$6,885 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 2HK$4,004 HKD
Retailer 15HK$4,519 HKD
Retailer 4HK$4,927 HKD
Retailer 13HK$5,144 HKD
Retailer 16HK$5,179 HKD
Retailer 7HK$5,335 HKD
Retailer 14HK$5,547 HKD
Retailer 8HK$5,597 HKD
Retailer 6HK$6,159 HKD
Retailer 12HK$6,516 HKD
Retailer 9HK$6,554 HKD
Retailer 10HK$6,652 HKD
Retailer 5HK$6,661 HKD
Retailer 3HK$7,512 HKD
Retailer 11HK$12,326 HKD
NZ JewellersHK$16,744 HKD

23 data points across 16 retailers

18 retailersHK$4,004 HKD to HK$16,744 HKD

A
Cheapest Retailer
-
HK$4,004 HKD
₹48,605 INR
A
Retailer 2
-
HK$4,519 HKD
View
A
Retailer 3
-
HK$4,755 HKD
$606 USD
View
A
Retailer 4
-
HK$4,927 HKD
$628 USD
View
Final sale: no returns
Retailer 5
-
HK$5,144 HKD
€624 EUR
View
Price last confirmed 7 days ago
A
Retailer 6
-
HK$5,179 HKD
SGD 892 SGD
View
A
Retailer 7
-
HK$5,335 HKD
$680 USD
View
A
Retailer 8
-
HK$5,547 HKD
$707 USD
View
A
Retailer 9
-
HK$5,597 HKD
SGD 964 SGD
View
A
Retailer 10
-
HK$6,159 HKD
$785 USD
View
A
Retailer 11
-
HK$6,516 HKD
£654 GBP
View
B+
Retailer 12
-
HK$6,554 HKD
£658 GBP
View
B+
Retailer 13
-
HK$6,652 HKD
£668 GBP
View
B+
Retailer 14
-
HK$6,661 HKD
$849 USD
View
B+
Retailer 15
-
HK$7,512 HKD
$957 USD
View
Retailer 16
-
HK$7,596 HKD
$968 USD
View
Price last confirmed 16 days ago
B
Retailer 17
-
HK$12,326 HKD
£1,237 GBP
View
Most Expensive
B
NZ Jewellers
c593a272-9d06-45be-94bd-0cb6913adfcf · Oct 30
HK$16,744 HKD
$2,134 USD
View
17 more retailers have this diamond
Prices start from HK$4,004 HKDSave up to HK$12,739 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
0.64ct Heart
HK$4,004 HKD