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Heart|Natural|GIA

1.03ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 2426335270

Certificate GIA 2426335270

Diamond specifications and retailer prices

From $2,534 AUD
As of November 6, 2026
Save $4,892 AUD (66%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,425 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural heart diamond

This 1.03ct natural heart sits in the classic one-carat band, graded G 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 2426335270. Listed at 16 retailers as of November 5, 2026, with prices from $2,534 to $7,425, a $4,892 spread on the same certified stone. NZ Jewellers lists it at $7,425. 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

1.03
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2426335270
Dimensions6.35 × 6.74 × 4.07 mm
L/W Ratio1.06
Top View
6.35 mm6.74 mm1.03 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2426335270
Side View
Table 60.0%CrownGirdle: MED-XTKPavilionCulet: NoneDepth 60.4%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $2,534 AUD|Low: $2,447 AUD|High: $6,296 AUD|Avg: $3,712 AUD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$2,534 AUD
Retailer 6$2,589 AUD
Retailer 8$3,161 AUD
Retailer 7$3,278 AUD
Retailer 3$3,595 AUD
Retailer 9$3,716 AUD
Retailer 4$3,758 AUD
Retailer 2$4,410 AUD
Retailer 5$6,204 AUD

40 data points across 9 retailers

16 retailers$2,534 AUD to $7,425 AUD

A
Cheapest Retailer
-
$2,534 AUD
A
Retailer 2
-
$2,589 AUD
View
B+
Retailer 3
-
$3,115 AUD
View
B+
Retailer 4
-
$3,161 AUD
View
B+
Retailer 5
-
$3,278 AUD
View
Final sale: no returns
B+
Retailer 6
-
$3,551 AUD
View
Retailer 7
-
$3,551 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$3,595 AUD
View
B+
Retailer 9
-
$3,716 AUD
View
B
Retailer 10
-
$3,755 AUD
View
B+
Retailer 11
-
$3,758 AUD
View
B+
Retailer 12
-
$4,098 AUD
View
B+
Retailer 13
-
$4,410 AUD
View
B
Retailer 14
-
$6,204 AUD
View
B
Retailer 15
-
$6,616 AUD
View
Most Expensive
B
NZ Jewellers
b5a8b972-f7ba-49fe-8b5a-8cefcc8d2d7b · Nov 5
$7,425 AUD
$5,102 USD
View
15 more retailers have this diamond
Prices start from $2,534 AUDSave up to $4,892 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
1.03ct Heart
$2,534 AUD