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Heart|Natural|GIA

1.20ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 5222429851

Certificate GIA 5222429851

Diamond specifications and retailer prices

From HK$27,376 HKD
As of November 5, 2026
Save HK$27,318 HKD (50%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$54,694 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5222429851. Listed at 11 retailers as of November 1, 2026, with prices from HK$27,376 to HK$54,694, a HK$27,318 spread on the same certified stone. MOH London lists it at HK$54,694. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5222429851
Dimensions6.41 × 7.56 × 4.14 mm
L/W Ratio1.18
Top View
6.41 mm7.56 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5222429851
Side View
Table 62.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 54.8%

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 5
Current: HK$54,694 HKD|Low: HK$24,829 HKD|High: HK$55,282 HKD|Avg: HK$34,959 HKD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4HK$27,376 HKD
Retailer 7HK$28,716 HKD
Retailer 9HK$29,218 HKD
Retailer 12HK$29,665 HKD
Retailer 11HK$31,036 HKD
Retailer 5HK$34,806 HKD
Retailer 6HK$35,895 HKD
Retailer 8HK$36,381 HKD
Retailer 3HK$37,839 HKD
Retailer 10HK$38,842 HKD
Retailer 2HK$41,914 HKD
MOH LondonHK$54,694 HKD

33 data points across 12 retailers

11 retailersHK$27,376 HKD to HK$54,694 HKD

B+
Cheapest Retailer
-
HK$27,376 HKD
B
Retailer 2
-
HK$28,716 HKD
View
Final sale: no returns
B
Retailer 3
-
HK$29,218 HKD
View
B
Retailer 4
-
HK$29,665 HKD
View
B
Retailer 5
-
HK$31,036 HKD
View
B
Retailer 6
-
HK$34,806 HKD
View
B
Retailer 7
-
HK$35,895 HKD
View
Retailer 8
-
HK$36,381 HKD
View
Price last confirmed 42 days ago
Retailer 9
-
HK$38,842 HKD
View
Price last confirmed 25 days ago
B
Retailer 10
-
HK$41,914 HKD
View
Most Expensive
B
MOH London
586FAAB78 · Nov 1
HK$54,694 HKD
£5,495 GBP
View
10 more retailers have this diamond
Prices start from HK$27,376 HKDSave up to HK$27,318 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$27,376 HKD