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Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 1489291904

Certificate GIA 1489291904

Diamond specifications and retailer prices

From HK$13,135 HKD
As of November 6, 2026
Save HK$23,794 HKD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$36,930 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-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 1489291904. Listed at 19 retailers as of November 5, 2026, with prices from HK$13,135 to HK$36,930, a HK$23,794 spread on the same certified stone. NZ Jewellers lists it at HK$36,930. 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

1.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle1°
Pavilion angle1°
OriginNatural
Grading LabGIA
CertificateGIA 1489291904
Dimensions5.79 × 6.76 × 4.17 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
5.79 mm6.76 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1489291904
Side View
Table 58.0%Crown 1°Girdle: ETK-ETKPavilion 1°Culet: NoneDepth 61.7%

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$36,930 HKD|Low: HK$13,002 HKD|High: HK$37,815 HKD|Avg: HK$20,804 HKD|-2.3%
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
Retailer 17
Retailer 18
Retailer 19
November 7, 2026
Retailer 14HK$13,135 HKD
Retailer 5HK$15,487 HKD
Retailer 4HK$15,957 HKD
Retailer 7HK$16,302 HKD
Retailer 16HK$16,717 HKD
Retailer 3HK$17,665 HKD
Retailer 9HK$17,665 HKD
Retailer 19HK$17,713 HKD
Retailer 8HK$18,245 HKD
Retailer 15HK$18,481 HKD
Retailer 18HK$18,747 HKD
Retailer 2HK$19,131 HKD
Retailer 17HK$20,377 HKD
Retailer 6HK$20,597 HKD
Retailer 12HK$21,553 HKD
Retailer 11HK$22,266 HKD
Retailer 10HK$25,378 HKD
Retailer 13HK$30,864 HKD
NZ JewellersHK$36,930 HKD

46 data points across 19 retailers

19 retailersHK$13,135 HKD to HK$36,930 HKD

A
Cheapest Retailer
-
HK$13,135 HKD
B+
Retailer 2
-
HK$15,487 HKD
View
B+
Retailer 3
-
HK$15,957 HKD
View
B+
Retailer 4
-
HK$16,302 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$16,717 HKD
View
Retailer 6
-
HK$17,665 HKD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
HK$17,665 HKD
View
B+
Retailer 8
-
HK$17,713 HKD
View
B
Retailer 9
-
HK$18,245 HKD
View
B
Retailer 10
-
HK$18,481 HKD
View
B
Retailer 11
-
HK$18,747 HKD
View
B+
Retailer 12
-
HK$19,131 HKD
View
B+
Retailer 13
-
HK$20,377 HKD
View
B
Retailer 14
-
HK$20,597 HKD
View
B+
Retailer 15
-
HK$21,553 HKD
View
Retailer 16
-
HK$22,266 HKD
View
Price last confirmed 31 days ago
B
Retailer 17
-
HK$25,378 HKD
View
B
Retailer 18
-
HK$30,864 HKD
View
Most Expensive
B
NZ Jewellers
468513ec-9b8d-4a44-bbbc-c7da6172cc2c · Nov 5
HK$36,930 HKD
$4,712 USD
View
18 more retailers have this diamond
Prices start from HK$13,135 HKDSave up to HK$23,794 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
1.00ct Heart
HK$13,135 HKD