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Heart|Natural|GIA

1.22ct J SI1 Heart Natural Diamond

ID • J/SI1 • GIA 1545621979

Certificate GIA 1545621979

Diamond specifications and retailer prices

From HK$16,192 HKD
As of November 6, 2026
Save HK$27,110 HKD (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$43,302 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.22ct natural heart diamond

This 1.22ct natural heart sits in the classic one-carat band, graded J 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 1545621979. Listed at 16 retailers as of November 5, 2026, with prices from HK$16,192 to HK$43,302, a HK$27,110 spread on the same certified stone. NZ Jewellers lists it at HK$43,302. 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

1.22
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545621979
Dimensions7.34 × 6.64 × 4.27 mm
L/W Ratio1.11
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Needle
Top View
7.34 mm6.64 mm1.22 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1545621979
Side View
Table 63.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 58.2%

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 6
Current: HK$43,302 HKD|Low: HK$16,137 HKD|High: HK$43,302 HKD|Avg: HK$24,051 HKD|+1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4HK$16,192 HKD
Retailer 8HK$18,763 HKD
Retailer 10HK$18,763 HKD
Retailer 12HK$19,147 HKD
Retailer 9HK$19,633 HKD
Retailer 2HK$20,087 HKD
Retailer 3HK$20,456 HKD
Retailer 11HK$21,647 HKD
Retailer 6HK$25,276 HKD
Retailer 5HK$25,715 HKD
Retailer 7HK$36,185 HKD
NZ JewellersHK$43,302 HKD

45 data points across 12 retailers

16 retailersHK$16,192 HKD to HK$43,302 HKD

B+
Cheapest Retailer
-
HK$16,192 HKD
B+
Retailer 2
-
HK$18,763 HKD
View
Retailer 3
-
HK$18,763 HKD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
HK$19,147 HKD
View
B
Retailer 5
-
HK$19,633 HKD
View
B
Retailer 6
-
HK$19,672 HKD
View
B+
Retailer 7
-
HK$20,087 HKD
View
B+
Retailer 8
-
HK$20,456 HKD
View
B
Retailer 9
-
HK$21,553 HKD
View
B
Retailer 10
-
HK$21,553 HKD
View
B
Retailer 11
-
HK$21,647 HKD
View
B
Retailer 12
-
HK$22,258 HKD
View
B
Retailer 13
-
HK$25,276 HKD
View
B
Retailer 14
-
HK$25,715 HKD
View
B
Retailer 15
-
HK$36,185 HKD
View
Most Expensive
B
NZ Jewellers
c66c0cd1-bcba-4da9-9247-578968bc5951 · Nov 5
HK$43,302 HKD
$5,525 USD
View
15 more retailers have this diamond
Prices start from HK$16,192 HKDSave up to HK$27,110 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+
1.22ct Heart
HK$16,192 HKD