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Heart|Natural|GIA

1.02ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 6542353938

Certificate GIA 6542353938

Diamond specifications and retailer prices

From $1,818 AUD
As of November 6, 2026
Save $2,246 AUD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,274 AUD at NZ Jewellers · As of September 19, 2026
View at NZ Jewellers

About this 1.02ct natural heart diamond

This 1.02ct 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 6542353938. Listed at 19 retailers as of November 4, 2026, with a 124% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.02
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle38.6°
OriginNatural
Grading LabGIA
CertificateGIA 6542353938
Dimensions6.05 × 7.01 × 4.09 mm
L/W Ratio1.16
Top View
6.05 mm7.01 mm1.02 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542353938
Side View
Table 59.0%CrownGirdle: MED-VTKPavilion 38.6°Culet: NoneDepth 58.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,818 AUD|Low: $1,787 AUD|High: $4,317 AUD|Avg: $2,672 AUD|-6.6%
Retailer 1
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 6, 2026
Retailer 1$1,818 AUD
Retailer 6$1,825 AUD
Retailer 15$1,930 AUD
Retailer 2$2,014 AUD
Retailer 17$2,121 AUD
Retailer 12$2,234 AUD
Retailer 8$2,269 AUD
Retailer 5$2,285 AUD
Retailer 10$2,531 AUD
Retailer 11$2,562 AUD
Retailer 13$2,674 AUD
Retailer 14$2,819 AUD
Retailer 4$2,850 AUD
Retailer 9$3,184 AUD
Retailer 3$3,669 AUD
Retailer 7$3,915 AUD
Retailer 16$4,063 AUD

28 data points across 17 retailers

19 retailers$1,818 AUD to $4,063 AUD

A
Cheapest Retailer
-
$1,818 AUD
A
Retailer 2
-
$1,825 AUD
View
A
Retailer 3
-
$1,930 AUD
View
Final sale: no returns
A
Retailer 4
-
$2,014 AUD
View
A
Retailer 5
-
$2,121 AUD
View
A
Retailer 6
-
$2,234 AUD
View
B+
Retailer 7
-
$2,269 AUD
View
A
Retailer 8
-
$2,285 AUD
View
B+
Retailer 9
-
$2,531 AUD
View
B+
Retailer 10
-
$2,562 AUD
View
B+
Retailer 11
-
$2,674 AUD
View
B+
Retailer 12
-
$2,807 AUD
View
B+
Retailer 13
-
$2,819 AUD
View
B+
Retailer 14
-
$2,850 AUD
View
Retailer 15
-
$3,184 AUD
View
Price last confirmed 33 days ago
B
Retailer 16
-
$3,669 AUD
View
B
Retailer 17
-
$3,915 AUD
View
B
Retailer 18
-
$4,063 AUD
View
Most Expensive
NZ Jewellers
13fd9529-96c7-4e7f-97c5-b654a8f19be5 · Sep 19
$6,274 AUD
$4,311 USD
View
Price last confirmed 48 days ago
18 more retailers have this diamond
Prices start from $1,818 AUDSave up to $2,246 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.

A
1.02ct Heart
$1,818 AUD