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Heart|Natural|GIA

1.20ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 5553470793

Certificate GIA 5553470793

Diamond specifications and retailer prices

From HK$21,169 HKD
As of November 6, 2026
Save HK$22,666 HKD (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$43,835 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 5553470793. Listed at 19 retailers as of November 5, 2026, with prices from HK$21,169 to HK$43,835, a HK$22,666 spread on the same certified stone. NZ Jewellers lists it at HK$43,835. 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
SymmetryExcellent
FluorescenceNone
Crown angle37.48°
Pavilion angle43.49°
OriginNatural
Grading LabGIA
CertificateGIA 5553470793
Dimensions7.24 × 6.27 × 4.52 mm
L/W Ratio1.15
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.24 mm6.27 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553470793
Side View
Table 59.0%Crown 37.48°Girdle: Slightly ThickPavilion 43.49°Culet: NoneDepth 62.4%

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$43,835 HKD|Low: HK$21,169 HKD|High: HK$45,183 HKD|Avg: HK$29,190 HKD|-3.0%
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
Retailer 18
November 6, 2026
Retailer 18HK$21,169 HKD
Retailer 11HK$22,196 HKD
Retailer 2HK$22,870 HKD
Retailer 9HK$23,912 HKD
Retailer 12HK$24,045 HKD
Retailer 8HK$24,414 HKD
Retailer 6HK$25,158 HKD
Retailer 16HK$25,644 HKD
Retailer 14HK$25,910 HKD
Retailer 10HK$25,934 HKD
Retailer 7HK$26,130 HKD
Retailer 4HK$26,702 HKD
Retailer 15HK$27,705 HKD
Retailer 17HK$28,599 HKD
Retailer 13HK$28,857 HKD
Retailer 3HK$30,707 HKD
Retailer 5HK$41,961 HKD
NZ JewellersHK$43,835 HKD

27 data points across 18 retailers

19 retailersHK$21,169 HKD to HK$43,835 HKD

B+
Cheapest Retailer
-
HK$21,169 HKD
B+
Retailer 2
-
HK$22,196 HKD
View
B+
Retailer 3
-
HK$22,870 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$23,912 HKD
View
B+
Retailer 5
-
HK$24,045 HKD
View
B+
Retailer 6
-
HK$24,414 HKD
View
B+
Retailer 7
-
HK$25,158 HKD
View
B+
Retailer 8
-
HK$25,644 HKD
View
B
Retailer 9
-
HK$25,910 HKD
View
Retailer 10
-
HK$25,934 HKD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
HK$26,130 HKD
View
B
Retailer 12
-
HK$26,702 HKD
View
Retailer 13
-
HK$27,705 HKD
View
Price last confirmed 30 days ago
B
Retailer 14
-
HK$27,705 HKD
View
B
Retailer 15
-
HK$28,599 HKD
View
B
Retailer 16
-
HK$28,857 HKD
View
B
Retailer 17
-
HK$30,707 HKD
View
B
Retailer 18
-
HK$41,961 HKD
View
Most Expensive
B
NZ Jewellers
2fce64ee-7c30-4c4a-bfd7-58f9eb41f63c · Nov 5
HK$43,835 HKD
$5,593 USD
View
18 more retailers have this diamond
Prices start from HK$21,169 HKDSave up to HK$22,666 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$21,169 HKD