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Heart|Natural|GIA

1.00ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 5553588987

Certificate GIA 5553588987

Diamond specifications and retailer prices

From $1,981 AUD
As of November 6, 2026
Save $4,545 AUD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,526 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 I 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 5553588987. Listed at 14 retailers as of November 5, 2026, with prices from $1,981 to $6,526, a $4,545 spread on the same certified stone. NZ Jewellers lists it at $6,526. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553588987
Dimensions6.86 × 5.79 × 4.15 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Crystal, Feather, Needle
Top View
6.86 mm5.79 mm1.00 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553588987
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 60.5%

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: $6,526 AUD|Low: $1,847 AUD|High: $6,526 AUD|Avg: $2,989 AUD|+0.9%
NZ Jewellers
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
Retailer 18
November 6, 2026
Retailer 8$1,981 AUD
Retailer 6$2,135 AUD
Retailer 5$2,217 AUD
Retailer 14$2,425 AUD
Retailer 16$2,425 AUD
Retailer 7$2,503 AUD
Retailer 15$2,535 AUD
Retailer 2$2,630 AUD
Retailer 9$2,674 AUD
Retailer 17$2,685 AUD
Retailer 13$2,797 AUD
Retailer 3$2,853 AUD
Retailer 18$2,853 AUD
Retailer 4$2,940 AUD
Retailer 10$2,981 AUD
Retailer 11$3,633 AUD
Retailer 12$4,686 AUD
NZ Jewellers$6,526 AUD

35 data points across 18 retailers

14 retailers$1,981 AUD to $6,526 AUD

A
Cheapest Retailer
-
$1,981 AUD
A
Retailer 2
-
$2,135 AUD
View
A
Retailer 3
-
$2,425 AUD
View
B+
Retailer 4
-
$2,503 AUD
View
B+
Retailer 5
-
$2,535 AUD
View
B+
Retailer 6
-
$2,630 AUD
View
B+
Retailer 7
-
$2,685 AUD
View
B+
Retailer 8
-
$2,797 AUD
View
B+
Retailer 9
-
$2,853 AUD
View
B+
Retailer 10
-
$2,853 AUD
View
B+
Retailer 11
-
$2,940 AUD
View
B+
Retailer 12
-
$3,633 AUD
View
B
Retailer 13
-
$4,686 AUD
View
Most Expensive
B
NZ Jewellers
d5307ce0-16e2-407b-9e7e-13e2ee616e02 · Nov 5
$6,526 AUD
$4,484 USD
View
13 more retailers have this diamond
Prices start from $1,981 AUDSave up to $4,545 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
$1,981 AUD