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Heart|Natural|GIA

1.20ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 7548677605

Certificate GIA 7548677605

Diamond specifications and retailer prices

From HK$18,786 HKD
As of November 6, 2026
Save HK$23,363 HKD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$42,150 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 7548677605. Listed at 17 retailers as of November 5, 2026, with prices from HK$18,786 to HK$42,150, a HK$23,363 spread on the same certified stone. NZ Jewellers lists it at HK$42,150. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7548677605
Dimensions7.33 × 6.38 × 4.26 mm
L/W Ratio1.15
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.33 mm6.38 mm1.20 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7548677605
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$42,150 HKD|Low: HK$18,786 HKD|High: HK$42,150 HKD|Avg: HK$26,255 HKD|+1.0%
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
November 6, 2026
Retailer 5HK$18,786 HKD
Retailer 17HK$21,388 HKD
Retailer 13HK$21,921 HKD
Retailer 15HK$21,921 HKD
Retailer 14HK$22,760 HKD
Retailer 6HK$23,120 HKD
Retailer 2HK$23,465 HKD
Retailer 3HK$23,724 HKD
Retailer 8HK$25,001 HKD
Retailer 9HK$25,001 HKD
Retailer 16HK$25,291 HKD
Retailer 7HK$25,785 HKD
Retailer 4HK$27,180 HKD
Retailer 10HK$28,160 HKD
Retailer 11HK$29,531 HKD
Retailer 12HK$40,347 HKD
NZ JewellersHK$42,150 HKD

40 data points across 17 retailers

17 retailersHK$18,786 HKD to HK$42,150 HKD

B+
Cheapest Retailer
-
HK$18,786 HKD
B+
Retailer 2
-
HK$21,388 HKD
View
Retailer 3
-
HK$21,921 HKD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
HK$21,921 HKD
View
B+
Retailer 5
-
HK$22,760 HKD
View
B+
Retailer 6
-
HK$23,120 HKD
View
B+
Retailer 7
-
HK$23,465 HKD
View
B+
Retailer 8
-
HK$23,724 HKD
View
B
Retailer 9
-
HK$25,001 HKD
View
B
Retailer 10
-
HK$25,001 HKD
View
B
Retailer 11
-
HK$25,291 HKD
View
B
Retailer 12
-
HK$25,785 HKD
View
B
Retailer 13
-
HK$27,180 HKD
View
B
Retailer 14
-
HK$28,160 HKD
View
B
Retailer 15
-
HK$29,531 HKD
View
B
Retailer 16
-
HK$40,347 HKD
View
Most Expensive
B
NZ Jewellers
8a096fb1-1da9-4c56-9c9e-810f71391f1d · Nov 5
HK$42,150 HKD
$5,378 USD
View
16 more retailers have this diamond
Prices start from HK$18,786 HKDSave up to HK$23,363 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.

B+
1.20ct Heart
HK$18,786 HKD