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Heart|Natural|GIA

1.21ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 6561094441

Certificate GIA 6561094441

Diamond specifications and retailer prices

From HK$21,020 HKD
As of November 6, 2026
Save HK$20,487 HKD (49%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$41,507 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural heart diamond

This 1.21ct 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 6561094441. Listed at 19 retailers as of November 5, 2026, with prices from HK$21,020 to HK$41,507, a HK$20,487 spread on the same certified stone. NZ Jewellers lists it at HK$41,507. 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

1.21
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle36.11°
Pavilion angle42.09°
OriginNatural
Grading LabGIA
CertificateGIA 6561094441
Dimensions7.39 × 6.36 × 4.39 mm
L/W Ratio1.16
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.39 mm6.36 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561094441
Side View
Table 58.0%Crown 36.11°Girdle: MED-THKPavilion 42.09°Culet: NoneDepth 59.4%

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$41,507 HKD|Low: HK$21,020 HKD|High: HK$42,345 HKD|Avg: HK$27,550 HKD|-2.0%
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
November 7, 2026
Retailer 12HK$21,020 HKD
Retailer 6HK$21,357 HKD
Retailer 11HK$21,663 HKD
Retailer 8HK$22,736 HKD
Retailer 14HK$22,768 HKD
Retailer 7HK$23,826 HKD
Retailer 9HK$24,304 HKD
Retailer 2HK$24,366 HKD
Retailer 16HK$24,578 HKD
Retailer 10HK$24,845 HKD
Retailer 13HK$25,119 HKD
Retailer 4HK$25,299 HKD
Retailer 17HK$27,078 HKD
Retailer 15HK$27,321 HKD
Retailer 3HK$29,077 HKD
Retailer 5HK$39,728 HKD
NZ JewellersHK$41,507 HKD

27 data points across 17 retailers

19 retailersHK$21,020 HKD to HK$41,507 HKD

B+
Cheapest Retailer
-
HK$21,020 HKD
B+
Retailer 2
-
HK$21,357 HKD
View
B+
Retailer 3
-
HK$21,663 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$22,736 HKD
View
B+
Retailer 5
-
HK$22,768 HKD
View
B+
Retailer 6
-
HK$23,316 HKD
View
B+
Retailer 7
-
HK$23,826 HKD
View
Retailer 8
-
HK$24,304 HKD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
HK$24,366 HKD
View
B+
Retailer 10
-
HK$24,578 HKD
View
B+
Retailer 11
-
HK$24,845 HKD
View
B+
Retailer 12
-
HK$25,119 HKD
View
B+
Retailer 13
-
HK$25,299 HKD
View
Retailer 14
-
HK$25,957 HKD
View
Price last confirmed 31 days ago
B+
Retailer 15
-
HK$27,078 HKD
View
B+
Retailer 16
-
HK$27,321 HKD
View
B+
Retailer 17
-
HK$29,077 HKD
View
B
Retailer 18
-
HK$39,728 HKD
View
Most Expensive
B
NZ Jewellers
19966b7c-bd40-4d15-8f37-543c98a56741 · Nov 5
HK$41,507 HKD
$5,296 USD
View
18 more retailers have this diamond
Prices start from HK$21,020 HKDSave up to HK$20,487 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+
1.21ct Heart
HK$21,020 HKD