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Heart|Natural|GIA

1.20ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 6555455676

Certificate GIA 6555455676

Diamond specifications and retailer prices

From HK$17,148 HKD
As of November 6, 2026
Save HK$30,535 HKD (64%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$47,683 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct 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 6555455676. Listed at 25 retailers as of November 5, 2026, with prices from HK$17,148 to HK$47,683, a HK$30,535 spread on the same certified stone. NZ Jewellers lists it at HK$47,683. 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

1.20
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555455676
Dimensions6.73 × 7.43 × 4.26 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.73 mm7.43 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555455676
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.3%

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$47,683 HKD|Low: HK$17,148 HKD|High: HK$47,949 HKD|Avg: HK$28,119 HKD|-0.6%
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 6, 2026
Retailer 7HK$17,148 HKD
Retailer 2HK$17,901 HKD
Retailer 17HK$20,244 HKD
Retailer 18HK$20,471 HKD
Retailer 9HK$21,051 HKD
Retailer 12HK$22,125 HKD
Retailer 3HK$22,807 HKD
Retailer 11HK$22,932 HKD
Retailer 5HK$23,685 HKD
Retailer 14HK$23,881 HKD
Retailer 8HK$23,920 HKD
Retailer 15HK$24,139 HKD
Retailer 4HK$24,672 HKD
Retailer 6HK$26,318 HKD
Retailer 13HK$26,545 HKD
Retailer 16HK$27,838 HKD
Retailer 19HK$38,035 HKD
Retailer 10HK$45,982 HKD
NZ JewellersHK$47,683 HKD

22 data points across 19 retailers

25 retailersHK$17,148 HKD to HK$47,683 HKD

A
Cheapest Retailer
-
HK$17,148 HKD
A
Retailer 2
-
HK$17,901 HKD
View
B+
Retailer 3
-
HK$20,244 HKD
View
B+
Retailer 4
-
HK$20,471 HKD
View
B+
Retailer 5
-
HK$21,051 HKD
View
Final sale: no returns
B+
Retailer 6
-
HK$21,145 HKD
View
B+
Retailer 7
-
HK$21,498 HKD
View
B+
Retailer 8
-
HK$21,514 HKD
View
B+
Retailer 9
-
HK$22,125 HKD
View
B+
Retailer 10
-
HK$22,807 HKD
View
Retailer 11
-
HK$22,932 HKD
View
Price last confirmed 8 days ago
Retailer 12
-
HK$22,932 HKD
View
Price last confirmed 21 days ago
B+
Retailer 13
-
HK$23,685 HKD
View
B+
Retailer 14
-
HK$23,881 HKD
View
B+
Retailer 15
-
HK$23,920 HKD
View
B+
Retailer 16
-
HK$23,982 HKD
View
B+
Retailer 17
-
HK$24,139 HKD
View
B+
Retailer 18
-
HK$24,672 HKD
View
Retailer 19
-
HK$25,832 HKD
View
Price last confirmed 30 days ago
B+
Retailer 20
-
HK$26,318 HKD
View
B
Retailer 21
-
HK$26,545 HKD
View
B
Retailer 22
-
HK$27,838 HKD
View
B
Retailer 23
-
HK$38,035 HKD
View
Retailer 24
-
HK$45,982 HKD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
6391fe8e-3615-4d57-b729-822588072907 · Nov 5
HK$47,683 HKD
$6,084 USD
View
24 more retailers have this diamond
Prices start from HK$17,148 HKDSave up to HK$30,535 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
1.20ct Heart
HK$17,148 HKD