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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 7501502271

Certificate GIA 7501502271

Diamond specifications and retailer prices

From $3,080 AUD
As of November 6, 2026
Save $4,788 AUD (61%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $7,868 AUD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7501502271. Listed at 28 retailers as of November 5, 2026, with a 155% 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

1.00
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7501502271
Dimensions6.47 × 6.42 × 3.95 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Natural
Top View
6.47 mm6.42 mm1.00 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7501502271
Side View
Table 54.0%Crown 32.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

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: $3,451 AUD|Low: $2,884 AUD|High: $6,957 AUD|Avg: $4,331 AUD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$3,080 AUD
Retailer 10$3,147 AUD
Retailer 9$3,300 AUD
Retailer 8$3,410 AUD
Retailer 1$3,451 AUD
Retailer 3$3,958 AUD
Retailer 4$4,444 AUD
Retailer 5$4,668 AUD
Retailer 6$6,575 AUD
Retailer 7$6,930 AUD

36 data points across 10 retailers

28 retailers$3,080 AUD to $7,868 AUD

A
Cheapest Retailer
-
$3,080 AUD
A
Retailer 2
-
$3,147 AUD
View
Final sale: no returns
A
Retailer 3
-
$3,300 AUD
View
Retailer 4
-
$3,410 AUD
View
Price last confirmed 50 days ago
Retailer 5
-
$3,410 AUD
View
Price last confirmed 8 days ago
Retailer 6
-
$3,410 AUD
View
Price last confirmed 28 days ago
Retailer 7
-
$3,410 AUD
View
Price last confirmed 15 days ago
Retailer 8
-
$3,410 AUD
View
Price last confirmed 21 days ago
A
Retailer 9
-
$3,451 AUD
View
A
Retailer 10
-
$3,477 AUD
View
Retailer 11
-
$3,567 AUD
View
Price last confirmed 38 days ago
B+
Retailer 12
-
$3,771 AUD
View
B+
Retailer 13
-
$3,771 AUD
View
B+
Retailer 14
-
$3,900 AUD
View
Retailer 15
-
$3,934 AUD
View
Price last confirmed 28 days ago
Retailer 16
-
$3,934 AUD
View
Price last confirmed 45 days ago
Retailer 17
-
$3,934 AUD
View
Price last confirmed 16 days ago
B+
Retailer 18
-
$3,934 AUD
View
B+
Retailer 19
-
$3,958 AUD
View
B+
Retailer 20
-
$4,444 AUD
View
B+
Retailer 21
-
$4,668 AUD
View
B
Retailer 22
-
$6,275 AUD
View
B
Retailer 23
-
$6,575 AUD
View
Retailer 24
-
$6,930 AUD
View
Price last confirmed 9 days ago
B
Retailer 25
-
$7,868 AUD
View
Retailer 26
-
$7,868 AUD
View
Price last confirmed 48 days ago
Retailer 27
-
$7,868 AUD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
feb01569-7fc9-4081-86bb-a14768fdaaad · Oct 20
$7,868 AUD
$5,508 USD
View
Price last confirmed 17 days ago
27 more retailers have this diamond
Prices start from $3,080 AUDSave up to $4,788 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 Round
$3,080 AUD