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Heart|Natural|GIA

1.20ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 6422701827

Certificate GIA 6422701827

Diamond specifications and retailer prices

From HK$11,129 HKD
As of November 6, 2026
Save HK$22,548 HKD (67%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$33,677 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 6422701827. Listed at 12 retailers as of November 5, 2026, with prices from HK$11,129 to HK$33,677, a HK$22,548 spread on the same certified stone. NZ Jewellers lists it at HK$33,677. 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
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6422701827
Dimensions6.93 × 6.41 × 4.10 mm
L/W Ratio1.08
Top View
6.93 mm6.41 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6422701827
Side View
Table 57.0%CrownGirdle: THN-XTKPavilionCulet: NoneDepth 59.2%

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$33,677 HKD|Low: HK$10,228 HKD|High: HK$33,928 HKD|Avg: HK$16,598 HKD|-0.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2HK$11,129 HKD
Retailer 11HK$12,697 HKD
Retailer 4HK$12,744 HKD
Retailer 5HK$13,394 HKD
Retailer 3HK$13,809 HKD
Retailer 10HK$14,444 HKD
Retailer 8HK$15,471 HKD
Retailer 7HK$15,518 HKD
Retailer 12HK$15,933 HKD
Retailer 6HK$18,747 HKD
Retailer 9HK$24,124 HKD
NZ JewellersHK$33,677 HKD

33 data points across 12 retailers

12 retailersHK$11,129 HKD to HK$33,677 HKD

A
Cheapest Retailer
-
HK$11,129 HKD
A
Retailer 2
-
HK$12,697 HKD
View
A
Retailer 3
-
HK$12,744 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$13,394 HKD
View
A
Retailer 5
-
HK$13,809 HKD
View
A
Retailer 6
-
HK$14,444 HKD
View
A
Retailer 7
-
HK$15,471 HKD
View
B+
Retailer 8
-
HK$15,518 HKD
View
B+
Retailer 9
-
HK$15,933 HKD
View
B+
Retailer 10
-
HK$18,747 HKD
View
B+
Retailer 11
-
HK$24,124 HKD
View
Most Expensive
B
NZ Jewellers
39e87a42-5e5f-4e0f-b712-0a3b21b70841 · Nov 5
HK$33,677 HKD
$4,297 USD
View
11 more retailers have this diamond
Prices start from HK$11,129 HKDSave up to HK$22,548 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$11,129 HKD