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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 $3,727 NZD
As of November 6, 2026
Save $6,240 NZD (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,967 NZD 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 $3,727 to $9,967, a $6,240 spread on the same certified stone. NZ Jewellers lists it at $9,967. 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: $9,967 NZD|Low: $3,714 NZD|High: $9,967 NZD|Avg: $5,534 NZD|+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$3,727 NZD
Retailer 8$4,319 NZD
Retailer 10$4,319 NZD
Retailer 12$4,407 NZD
Retailer 9$4,519 NZD
Retailer 5$4,623 NZD
Retailer 3$4,708 NZD
Retailer 11$4,982 NZD
Retailer 7$5,818 NZD
Retailer 6$5,919 NZD
Retailer 2$8,307 NZD
NZ Jewellers$9,967 NZD

46 data points across 12 retailers

16 retailers$3,727 NZD to $9,967 NZD

B+
Cheapest Retailer
-
$3,727 NZD
B+
Retailer 2
-
$4,319 NZD
View
Retailer 3
-
$4,319 NZD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$4,407 NZD
View
B
Retailer 5
-
$4,519 NZD
View
B
Retailer 6
-
$4,528 NZD
View
B+
Retailer 7
-
$4,623 NZD
View
B+
Retailer 8
-
$4,708 NZD
View
B
Retailer 9
-
$4,961 NZD
View
B
Retailer 10
-
$4,961 NZD
View
B
Retailer 11
-
$4,982 NZD
View
B
Retailer 12
-
$5,123 NZD
View
B
Retailer 13
-
$5,818 NZD
View
B
Retailer 14
-
$5,919 NZD
View
B
Retailer 15
-
$8,307 NZD
View
Most Expensive
B
NZ Jewellers
c66c0cd1-bcba-4da9-9247-578968bc5951 · Nov 5
$9,967 NZD
$5,525 USD
View
15 more retailers have this diamond
Prices start from $3,727 NZDSave up to $6,240 NZD

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
$3,727 NZD