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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 $3,007 AUD
As of November 6, 2026
Save $5,034 AUD (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,041 AUD 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 $3,007 to $8,041, a $5,034 spread on the same certified stone. NZ Jewellers lists it at $8,041. 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: $8,041 AUD|Low: $2,997 AUD|High: $8,041 AUD|Avg: $4,465 AUD|+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 7, 2026
Retailer 4$3,007 AUD
Retailer 8$3,484 AUD
Retailer 10$3,484 AUD
Retailer 12$3,556 AUD
Retailer 9$3,646 AUD
Retailer 5$3,730 AUD
Retailer 3$3,799 AUD
Retailer 11$4,020 AUD
Retailer 7$4,694 AUD
Retailer 6$4,775 AUD
Retailer 2$6,702 AUD
NZ Jewellers$8,041 AUD

46 data points across 12 retailers

16 retailers$3,007 AUD to $8,041 AUD

B+
Cheapest Retailer
-
$3,007 AUD
B+
Retailer 2
-
$3,484 AUD
View
Retailer 3
-
$3,484 AUD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$3,556 AUD
View
B
Retailer 5
-
$3,646 AUD
View
B
Retailer 6
-
$3,653 AUD
View
B+
Retailer 7
-
$3,730 AUD
View
B+
Retailer 8
-
$3,799 AUD
View
B
Retailer 9
-
$4,002 AUD
View
B
Retailer 10
-
$4,002 AUD
View
B
Retailer 11
-
$4,020 AUD
View
B
Retailer 12
-
$4,133 AUD
View
B
Retailer 13
-
$4,694 AUD
View
B
Retailer 14
-
$4,775 AUD
View
B
Retailer 15
-
$6,702 AUD
View
Most Expensive
B
NZ Jewellers
c66c0cd1-bcba-4da9-9247-578968bc5951 · Nov 5
$8,041 AUD
$5,525 USD
View
15 more retailers have this diamond
Prices start from $3,007 AUDSave up to $5,034 AUD

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
$3,007 AUD