Heart|Natural|GIA

1.20ct F SI2 Heart Natural Diamond

ID • F/SI2 • GIA 6422

Certificate GIA 6422

Diamond specifications and retailer prices

From HK$23,105 HKD
As of November 4, 2026
Save HK$29,288 HKD (56%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: HK$56,727 HKD at NZ Jewellers · As of October 3, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 27 retailers as of November 4, 2026, with a 127% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6422
Dimensions6.47 × 7.25 × 4.07 mm
L/W Ratio1.12
Top View
6.47 mm7.25 mm1.20 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6422
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 56.2%

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 4
Current: HK$52,393 HKD|Low: HK$23,105 HKD|High: HK$56,727 HKD|Avg: HK$32,370 HKD|-7.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4HK$23,105 HKD
Retailer 7HK$23,348 HKD
Retailer 3HK$27,243 HKD
Retailer 2HK$28,293 HKD
Retailer 5HK$29,171 HKD
Retailer 8HK$29,500 HKD
Retailer 6HK$31,436 HKD
NZ JewellersHK$52,393 HKD

20 data points across 8 retailers

27 retailersHK$23,105 HKD to HK$52,393 HKD

B+
Cheapest Retailer
-
HK$23,105 HKD
B+
Retailer 2
-
HK$23,348 HKD
View
B+
Retailer 3
-
HK$27,243 HKD
View
B+
Retailer 4
-
HK$28,293 HKD
View
B
Retailer 5
-
HK$29,171 HKD
View
Retailer 6
-
HK$29,500 HKD
View
Price last confirmed 37 days ago
Retailer 7
-
HK$29,500 HKD
View
Price last confirmed 40 days ago
Retailer 8
-
HK$29,500 HKD
View
Price last confirmed 30 days ago
Retailer 9
-
HK$29,500 HKD
View
Price last confirmed 26 days ago
Retailer 10
-
HK$29,500 HKD
View
Price last confirmed 34 days ago
Retailer 11
-
HK$29,500 HKD
View
Price last confirmed 28 days ago
Retailer 12
-
HK$29,500 HKD
View
Price last confirmed 31 days ago
Retailer 13
-
HK$30,636 HKD
View
Price last confirmed 37 days ago
B
Retailer 14
-
HK$31,436 HKD
View
Retailer 15
-
HK$34,038 HKD
View
Price last confirmed 62 days ago
Retailer 16
-
HK$34,038 HKD
View
Price last confirmed 57 days ago
Retailer 17
-
HK$34,038 HKD
View
Price last confirmed 36 days ago
Retailer 18
-
HK$34,038 HKD
View
Price last confirmed 39 days ago
Retailer 19
-
HK$34,038 HKD
View
Price last confirmed 31 days ago
Retailer 20
-
HK$34,038 HKD
View
Price last confirmed 29 days ago
Retailer 21
-
HK$34,038 HKD
View
Price last confirmed 39 days ago
B
Retailer 22
-
HK$52,393 HKD
View
Retailer 23
-
HK$56,727 HKD
View
Price last confirmed 39 days ago
Retailer 24
-
HK$56,727 HKD
View
Price last confirmed 32 days ago
Retailer 25
-
HK$56,727 HKD
View
Price last confirmed 29 days ago
Retailer 26
-
HK$56,727 HKD
View
Price last confirmed 40 days ago
Most Expensive
NZ Jewellers
0b6453ec-487b-4a56-8b4f-14b47b2d74d3 · Oct 3
HK$56,727 HKD
$7,238 USD
View
Price last confirmed 34 days ago
26 more retailers have this diamond
Prices start from HK$23,105 HKDSave up to HK$29,288 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$23,105 HKD