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Heart|Natural|GIA

1.01ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 1557167492

Certificate GIA 1557167492

Diamond specifications and retailer prices

From $1,787 AUD
As of November 6, 2026
Save $2,208 AUD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,017 AUD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 1.01ct natural heart diamond

This 1.01ct 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 1557167492. Listed at 15 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

1.01
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1557167492
Dimensions6.08 × 6.86 × 4.02 mm
L/W Ratio1.13
Girdle conditionFaceted
Top View
6.08 mm6.86 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1557167492
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.6%

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: $2,074 AUD|Low: $1,770 AUD|High: $4,368 AUD|Avg: $2,684 AUD|-2.3%
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
November 6, 2026
Retailer 2$1,787 AUD
Retailer 4$1,912 AUD
Retailer 11$1,981 AUD
Retailer 1$2,074 AUD
Retailer 9$2,086 AUD
Retailer 10$2,219 AUD
Retailer 13$2,241 AUD
Retailer 6$2,537 AUD
Retailer 7$2,791 AUD
Retailer 5$3,133 AUD
Retailer 12$3,609 AUD
Retailer 3$3,842 AUD
Retailer 8$3,995 AUD

35 data points across 13 retailers

15 retailers$1,787 AUD to $3,995 AUD

A
Cheapest Retailer
-
$1,787 AUD
A
Retailer 2
-
$1,912 AUD
View
Final sale: no returns
A
Retailer 3
-
$1,981 AUD
View
A
Retailer 4
-
$2,074 AUD
View
A
Retailer 5
-
$2,086 AUD
View
B+
Retailer 6
-
$2,219 AUD
View
A
Retailer 7
-
$2,241 AUD
View
B+
Retailer 8
-
$2,537 AUD
View
B+
Retailer 9
-
$2,791 AUD
View
B+
Retailer 10
-
$2,797 AUD
View
Retailer 11
-
$3,133 AUD
View
Price last confirmed 33 days ago
B
Retailer 12
-
$3,609 AUD
View
B
Retailer 13
-
$3,842 AUD
View
B
Retailer 14
-
$3,995 AUD
View
Most Expensive
NZ Jewellers
75a08eae-0033-43ec-8ceb-f29c06d7667c · Sep 25
$6,017 AUD
$4,134 USD
View
Price last confirmed 42 days ago
14 more retailers have this diamond
Prices start from $1,787 AUDSave up to $2,208 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
1.01ct Heart
$1,787 AUD