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Heart|Natural|GIA

0.64ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 7523546094

Certificate GIA 7523546094

Diamond specifications and retailer prices

From HK$3,639 HKD
MYR 1,889 MYR
As of October 30, 2026
Save HK$1,147 HKD (24%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$4,786 HKD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 0.64ct natural heart diamond

This 0.64ct natural heart sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7523546094. Listed at 5 retailers as of October 29, 2026, with prices from HK$3,639 to HK$4,786, a HK$1,147 spread on the same certified stone. Blue Nile lists it at HK$4,786. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7523546094
Dimensions5.43 × 5.99 × 3.55 mm
L/W Ratio1.10
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
5.43 mm5.99 mm0.64 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7523546094
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.3%

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: Oct 30
Current: HK$4,786 HKD|Low: HK$3,429 HKD|High: HK$5,570 HKD|Avg: HK$4,314 HKD|-14.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 5HK$3,639 HKD
Retailer 3HK$3,711 HKD
Retailer 4HK$4,052 HKD
Retailer 2HK$4,661 HKD
Blue NileHK$4,786 HKD

37 data points across 5 retailers

5 retailersHK$3,639 HKD to HK$4,786 HKD

A
Cheapest Retailer
-
HK$3,639 HKD
MYR 1,889 MYR
A
Retailer 2
-
HK$3,711 HKD
$473 USD
View
Final sale: no returns
A
Retailer 3
-
HK$4,052 HKD
SGD 698 SGD
View
B+
Retailer 4
-
HK$4,661 HKD
£468 GBP
View
Most Expensive
B+
Blue Nile
25417532 · Oct 29
HK$4,786 HKD
$610 USD
View
4 more retailers have this diamond
Prices start from HK$3,639 HKDSave up to HK$1,147 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$3,639 HKD