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Heart|Natural|GIA

1.05ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 2546182740

Certificate GIA 2546182740

Diamond specifications and retailer prices

From $2,150 AUD
HK$11,800 HKD
As of November 2, 2026
Save $2,771 AUD (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,341 AUD at NZ Jewellers · As of September 25, 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 2546182740. Listed at 17 retailers as of October 29, 2026, with a 129% 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

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Pavilion angle42.7°
OriginNatural
Grading LabGIA
CertificateGIA 2546182740
Dimensions6.06 × 7.11 × 4.18 mm
L/W Ratio1.17
Top View
6.06 mm7.11 mm1.05 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546182740
Side View
Table 60.0%CrownGirdle: MED-THKPavilion 42.7°Culet: NoneDepth 58.8%

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: $2,150 AUD|Low: $2,114 AUD|High: $5,185 AUD|Avg: $3,032 AUD|-4.8%
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
Retailer 14
Retailer 15
November 2, 2026
Retailer 1$2,150 AUD
Retailer 8$2,299 AUD
Retailer 10$2,360 AUD
Retailer 14$2,434 AUD
Retailer 12$2,479 AUD
Retailer 3$2,576 AUD
Retailer 11$2,591 AUD
Retailer 2$2,604 AUD
Retailer 5$2,641 AUD
Retailer 15$2,743 AUD
Retailer 9$3,018 AUD
Retailer 13$3,435 AUD
Retailer 7$3,607 AUD
Retailer 4$4,467 AUD
Retailer 6$4,921 AUD

27 data points across 15 retailers

17 retailers$2,150 AUD to $4,921 AUD

A
Cheapest Retailer
-
$2,150 AUD
HK$11,800 HKD
A
Retailer 2
-
$2,299 AUD
$1,615 USD
View
Final sale: no returns
A
Retailer 3
-
$2,360 AUD
$1,658 USD
View
A
Retailer 4
-
$2,434 AUD
$1,710 USD
View
A
Retailer 5
-
$2,479 AUD
€1,658 EUR
View
A
Retailer 6
-
$2,576 AUD
$1,809 USD
View
A
Retailer 7
-
$2,591 AUD
$1,820 USD
View
A
Retailer 8
-
$2,604 AUD
$1,829 USD
View
A
Retailer 9
-
$2,641 AUD
$1,855 USD
View
A
Retailer 10
-
$2,743 AUD
$1,927 USD
View
B+
Retailer 11
-
$3,018 AUD
£1,669 GBP
View
B+
Retailer 12
-
$3,376 AUD
View
B+
Retailer 13
-
$3,435 AUD
ZAR 38,977 ZAR
View
Retailer 14
-
$3,607 AUD
View
Price last confirmed 27 days ago
Retailer 15
-
$4,467 AUD
$3,138 USD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$4,921 AUD
£2,722 GBP
View
Most Expensive
NZ Jewellers
3214c375-37d5-4797-9d11-6ff32802924a · Sep 25
$6,341 AUD
$4,454 USD
View
Price last confirmed 38 days ago
16 more retailers have this diamond
Prices start from $2,150 AUDSave up to $2,771 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
$2,150 AUD