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Heart|Natural|GIA

1.05ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 5563274218

Certificate GIA 5563274218

Diamond specifications and retailer prices

From $2,805 AUD
$1,966 USD
As of November 2, 2026
Save $3,549 AUD (56%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,354 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.05ct natural heart diamond

This 1.05ct natural heart sits in the classic one-carat band, graded G 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 5563274218. Listed at 5 retailers as of October 30, 2026, with prices from $2,805 to $6,354, a $3,549 spread on the same certified stone. NZ Jewellers lists it at $6,354. 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

1.05
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563274218
Dimensions6.06 × 7.06 × 4.11 mm
L/W Ratio1.17
Key to symbols
Twinning Wisp, Feather, Cloud, Needle, Indented Natural
Top View
6.06 mm7.06 mm1.05 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563274218
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 58.2%

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 2
Current: $6,354 AUD|Low: $2,456 AUD|High: $6,678 AUD|Avg: $4,015 AUD|-4.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6$2,743 AUD
Retailer 2$2,805 AUD
Retailer 4$3,074 AUD
Retailer 5$3,599 AUD
Retailer 3$5,324 AUD
NZ Jewellers$6,354 AUD

45 data points across 6 retailers

5 retailers$2,805 AUD to $6,354 AUD

A
Cheapest Retailer
-
$2,805 AUD
$1,966 USD
Final sale: no returns
B+
Retailer 2
-
$3,074 AUD
$2,154 USD
View
B+
Retailer 3
-
$3,599 AUD
$2,522 USD
View
B
Retailer 4
-
$5,324 AUD
£2,938 GBP
View
Most Expensive
B
NZ Jewellers
6450b4ce-6a6c-473e-acdd-92da62c1a9bc · Oct 30
$6,354 AUD
$4,453 USD
View
4 more retailers have this diamond
Prices start from $2,805 AUDSave up to $3,549 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
1.05ct Heart
$2,805 AUD