Heart|Natural|GIA

1.20ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 5413323903

Certificate GIA 5413323903

Diamond specifications and retailer prices

From HK$28,599 HKD
As of November 5, 2026
Save HK$35,558 HKD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$64,157 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 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 5413323903. Listed at 11 retailers as of November 5, 2026, with prices from HK$28,599 to HK$64,157, a HK$35,558 spread on the same certified stone. NZ Jewellers lists it at HK$64,157. 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5413323903
Dimensions6.36 × 7.37 × 4.28 mm
L/W Ratio1.16
Top View
6.36 mm7.37 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5413323903
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.0%

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$64,157 HKD|Low: HK$27,501 HKD|High: HK$64,157 HKD|Avg: HK$39,546 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3HK$28,599 HKD
Retailer 7HK$29,124 HKD
Retailer 5HK$30,793 HKD
Retailer 6HK$33,364 HKD
Retailer 8HK$33,364 HKD
Retailer 2HK$36,608 HKD
Retailer 9HK$38,489 HKD
Retailer 10HK$40,723 HKD
Retailer 4HK$58,491 HKD
NZ JewellersHK$64,157 HKD

37 data points across 10 retailers

11 retailersHK$28,599 HKD to HK$64,157 HKD

B+
Cheapest Retailer
-
HK$28,599 HKD
B+
Retailer 2
-
HK$29,124 HKD
View
B
Retailer 3
-
HK$29,641 HKD
View
B
Retailer 4
-
HK$30,621 HKD
View
B
Retailer 5
-
HK$30,793 HKD
View
Final sale: no returns
B
Retailer 6
-
HK$33,364 HKD
View
B
Retailer 7
-
HK$33,364 HKD
View
B
Retailer 8
-
HK$36,608 HKD
View
B
Retailer 9
-
HK$38,489 HKD
View
B
Retailer 10
-
HK$58,491 HKD
View
Most Expensive
B
NZ Jewellers
f98dea9f-60bb-4ddc-afc2-d8ee93f13844 · Nov 5
HK$64,157 HKD
$8,186 USD
View
10 more retailers have this diamond
Prices start from HK$28,599 HKDSave up to HK$35,558 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$28,599 HKD