CaratHunter
Plans
Heart|Natural|GIA

1.00ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 1555914398

Certificate GIA 1555914398

Diamond specifications and retailer prices

From HK$11,834 HKD
As of November 6, 2026
Save HK$26,545 HKD (69%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$38,380 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 1555914398. Listed at 23 retailers as of November 5, 2026, with prices from HK$11,834 to HK$38,380, a HK$26,545 spread on the same certified stone. NZ Jewellers lists it at HK$38,380. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555914398
Dimensions6.41 × 7.05 × 3.84 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cloud, Crystal, Needle
Top View
6.41 mm7.05 mm1.00 ctH / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555914398
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 54.5%

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 6
Current: HK$38,380 HKD|Low: HK$11,834 HKD|High: HK$38,380 HKD|Avg: HK$19,436 HKD|+15.9%
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
Retailer 20
November 7, 2026
Retailer 10HK$11,834 HKD
Retailer 14HK$12,399 HKD
Retailer 9HK$14,523 HKD
Retailer 20HK$14,672 HKD
Retailer 18HK$14,695 HKD
Retailer 13HK$14,930 HKD
Retailer 15HK$15,259 HKD
Retailer 4HK$15,737 HKD
Retailer 12HK$15,839 HKD
Retailer 17HK$16,388 HKD
Retailer 5HK$16,459 HKD
Retailer 6HK$16,459 HKD
Retailer 8HK$16,811 HKD
Retailer 2HK$17,039 HKD
Retailer 7HK$18,159 HKD
Retailer 19HK$19,202 HKD
Retailer 16HK$21,373 HKD
Retailer 3HK$27,486 HKD
Retailer 11HK$34,085 HKD
NZ JewellersHK$38,380 HKD

22 data points across 20 retailers

23 retailersHK$11,834 HKD to HK$38,380 HKD

A
Cheapest Retailer
-
HK$11,834 HKD
A
Retailer 2
-
HK$12,399 HKD
View
B+
Retailer 3
-
HK$14,523 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$14,672 HKD
View
B+
Retailer 5
-
HK$14,695 HKD
View
B+
Retailer 6
-
HK$14,930 HKD
View
B+
Retailer 7
-
HK$14,930 HKD
View
B+
Retailer 8
-
HK$15,259 HKD
View
B+
Retailer 9
-
HK$15,737 HKD
View
Retailer 10
-
HK$15,839 HKD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
HK$16,239 HKD
View
B+
Retailer 12
-
HK$16,388 HKD
View
B+
Retailer 13
-
HK$16,459 HKD
View
B+
Retailer 14
-
HK$16,459 HKD
View
B+
Retailer 15
-
HK$16,811 HKD
View
B+
Retailer 16
-
HK$17,039 HKD
View
B+
Retailer 17
-
HK$18,159 HKD
View
B+
Retailer 18
-
HK$19,202 HKD
View
Retailer 19
-
HK$19,656 HKD
View
Price last confirmed 33 days ago
B+
Retailer 20
-
HK$21,373 HKD
View
B
Retailer 21
-
HK$27,486 HKD
View
Retailer 22
-
HK$34,085 HKD
View
Price last confirmed 10 days ago
Most Expensive
B
NZ Jewellers
6d2906d9-6a01-487d-a4f8-06178ea42c17 · Nov 5
HK$38,380 HKD
$4,897 USD
View
22 more retailers have this diamond
Prices start from HK$11,834 HKDSave up to HK$26,545 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$11,834 HKD