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Heart|Natural|GIA

1.03ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 2516983957

Certificate GIA 2516983957

Diamond specifications and retailer prices

From $2,636 AUD
As of November 2, 2026
Save $3,867 AUD (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,503 AUD at NZ Jewellers · As of November 3, 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 2516983957. Listed at 7 retailers as of November 2, 2026, with prices from $2,636 to $6,503, a $3,867 spread on the same certified stone. NZ Jewellers lists it at $6,503. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.33°
Pavilion angle41.99°
OriginNatural
Grading LabGIA
CertificateGIA 2516983957
Dimensions6.22 × 6.92 × 4.18 mm
L/W Ratio1.11
Girdle conditionThick
Key to symbols
Crystal, Needle
Top View
6.22 mm6.92 mm1.03 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2516983957
Side View
Table 59.0%Crown 36.33°Girdle: STK-THKPavilion 41.99°Culet: 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 2
Current: $6,503 AUD|Low: $2,636 AUD|High: $6,584 AUD|Avg: $3,578 AUD|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2$2,636 AUD
Retailer 4$2,666 AUD
Retailer 6$2,671 AUD
Retailer 5$2,789 AUD
Retailer 7$2,857 AUD
Retailer 8$3,198 AUD
Retailer 9$3,577 AUD
Retailer 3$4,697 AUD
NZ Jewellers$6,503 AUD

29 data points across 9 retailers

7 retailers$2,636 AUD to $6,503 AUD

A
Cheapest Retailer
-
$2,636 AUD
A
Retailer 2
-
$2,666 AUD
View
A
Retailer 3
-
$2,671 AUD
View
A
Retailer 4
-
$2,789 AUD
View
A
Retailer 5
-
$2,857 AUD
View
Retailer 6
-
$4,697 AUD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
440ba256-8c8a-4bf1-83c2-48edc7808bb7 · Nov 3
$6,503 AUD
$4,468 USD
View
6 more retailers have this diamond
Prices start from $2,636 AUDSave up to $3,867 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
$2,636 AUD