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Heart|Natural|GIA

1.00ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 6385355078

Certificate GIA 6385355078

Diamond specifications and retailer prices

From $2,183 AUD
As of November 6, 2026
Save $4,177 AUD (66%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,360 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 6385355078. Listed at 15 retailers as of November 5, 2026, with prices from $2,183 to $6,360, a $4,177 spread on the same certified stone. NZ Jewellers lists it at $6,360. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6385355078
Dimensions5.76 × 7.03 × 3.94 mm
L/W Ratio1.22
Top View
5.76 mm7.03 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6385355078
Side View
Table 64.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 56.0%

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: $2,183 AUD|Low: $2,105 AUD|High: $5,395 AUD|Avg: $3,102 AUD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$2,183 AUD
Retailer 5$2,217 AUD
Retailer 7$2,770 AUD
Retailer 6$2,809 AUD
Retailer 2$3,083 AUD
Retailer 8$3,183 AUD
Retailer 3$3,305 AUD
Retailer 4$5,315 AUD

46 data points across 8 retailers

15 retailers$2,183 AUD to $6,360 AUD

A
Cheapest Retailer
-
$2,183 AUD
B+
Retailer 2
-
$2,217 AUD
View
B+
Retailer 3
-
$2,668 AUD
View
B
Retailer 4
-
$2,770 AUD
View
B
Retailer 5
-
$2,809 AUD
View
Final sale: no returns
Retailer 6
-
$3,042 AUD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$3,042 AUD
View
B
Retailer 8
-
$3,083 AUD
View
B
Retailer 9
-
$3,183 AUD
View
B
Retailer 10
-
$3,243 AUD
View
B
Retailer 11
-
$3,305 AUD
View
B
Retailer 12
-
$3,510 AUD
View
B
Retailer 13
-
$4,912 AUD
View
B
Retailer 14
-
$5,315 AUD
View
Most Expensive
C
NZ Jewellers
e7caf98a-28b0-424e-85f8-296f2e3f6d1c · Nov 5
$6,360 AUD
$4,370 USD
View
14 more retailers have this diamond
Prices start from $2,183 AUDSave up to $4,177 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
$2,183 AUD