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Heart|Natural|GIA

1.01ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2426187670

Certificate GIA 2426187670

Diamond specifications and retailer prices

From HK$9,899 HKD
As of November 6, 2026
Save HK$24,218 HKD (71%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$34,116 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural heart diamond

This 1.01ct natural heart sits in the classic one-carat band, graded J 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 2426187670. Listed at 18 retailers as of November 5, 2026, with prices from HK$9,899 to HK$34,116, a HK$24,218 spread on the same certified stone. NZ Jewellers lists it at HK$34,116. 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

1.01
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2426187670
Dimensions6.06 × 6.46 × 4.09 mm
L/W Ratio1.07
Top View
6.06 mm6.46 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2426187670
Side View
Table 58.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 63.3%

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: Nov 6
Current: HK$9,899 HKD|Low: HK$9,515 HKD|High: HK$24,798 HKD|Avg: HK$15,839 HKD|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1HK$9,899 HKD
Retailer 7HK$10,126 HKD
Retailer 9HK$12,900 HKD
Retailer 8HK$13,480 HKD
Retailer 2HK$14,632 HKD
Retailer 4HK$15,526 HKD
Retailer 5HK$17,070 HKD
Retailer 10HK$18,245 HKD
Retailer 3HK$18,982 HKD
Retailer 6HK$24,500 HKD

36 data points across 10 retailers

18 retailersHK$9,899 HKD to HK$34,116 HKD

A
Cheapest Retailer
-
HK$9,899 HKD
A
Retailer 2
-
HK$10,126 HKD
View
B+
Retailer 3
-
HK$12,838 HKD
View
B+
Retailer 4
-
HK$12,900 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$13,480 HKD
View
Retailer 6
-
HK$13,990 HKD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
HK$13,990 HKD
View
B+
Retailer 8
-
HK$14,060 HKD
View
B+
Retailer 9
-
HK$14,632 HKD
View
B
Retailer 10
-
HK$15,252 HKD
View
B
Retailer 11
-
HK$15,526 HKD
View
B
Retailer 12
-
HK$16,137 HKD
View
B+
Retailer 13
-
HK$17,070 HKD
View
Retailer 14
-
HK$18,245 HKD
View
Price last confirmed 33 days ago
B
Retailer 15
-
HK$18,982 HKD
View
B
Retailer 16
-
HK$24,500 HKD
View
B
Retailer 17
-
HK$30,966 HKD
View
Most Expensive
C
NZ Jewellers
5dcfe42a-ebad-4a1a-8c6f-ecc666908a7a · Nov 5
HK$34,116 HKD
$4,353 USD
View
17 more retailers have this diamond
Prices start from HK$9,899 HKDSave up to HK$24,218 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
1.01ct Heart
HK$9,899 HKD