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Heart|Natural|GIA

1.00ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 2416896393

Certificate GIA 2416896393

Diamond specifications and retailer prices

From $1,650 AUD
As of November 6, 2026
Save $4,027 AUD (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,678 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2416896393. Listed at 15 retailers as of November 5, 2026, with prices from $1,650 to $5,678, a $4,027 spread on the same certified stone. NZ Jewellers lists it at $5,678. 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

1.00
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2416896393
Dimensions5.76 × 7.03 × 3.82 mm
L/W Ratio1.22
Top View
5.76 mm7.03 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2416896393
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 54.3%

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: $1,650 AUD|Low: $1,583 AUD|High: $4,126 AUD|Avg: $2,403 AUD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$1,650 AUD
Retailer 5$1,694 AUD
Retailer 6$2,148 AUD
Retailer 8$2,235 AUD
Retailer 2$2,343 AUD
Retailer 7$2,435 AUD
Retailer 3$2,582 AUD
Retailer 4$4,077 AUD

45 data points across 8 retailers

15 retailers$1,650 AUD to $5,678 AUD

A
Cheapest Retailer
-
$1,650 AUD
A
Retailer 2
-
$1,694 AUD
View
B+
Retailer 3
-
$2,148 AUD
View
Final sale: no returns
B+
Retailer 4
-
$2,235 AUD
View
Retailer 5
-
$2,327 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$2,327 AUD
View
B+
Retailer 7
-
$2,343 AUD
View
B+
Retailer 8
-
$2,353 AUD
View
B+
Retailer 9
-
$2,435 AUD
View
B+
Retailer 10
-
$2,551 AUD
View
B+
Retailer 11
-
$2,582 AUD
View
B
Retailer 12
-
$2,685 AUD
View
B
Retailer 13
-
$4,077 AUD
View
B
Retailer 14
-
$4,912 AUD
View
Most Expensive
C
NZ Jewellers
283be4e0-ae48-44fa-a1bd-9d19063416c3 · Nov 5
$5,678 AUD
$3,901 USD
View
14 more retailers have this diamond
Prices start from $1,650 AUDSave up to $4,027 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
1.00ct Heart
$1,650 AUD