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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

GD • G/SI2 • GIA 7421531215

Certificate GIA 7421531215

Diamond specifications and retailer prices

From $2,790 AUD
As of November 6, 2026
Save $4,858 AUD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,648 AUD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 standard cut grade and certified by GIA 7421531215. Listed at 19 retailers as of November 5, 2026, with prices from $2,790 to $7,648, a $4,858 spread on the same certified stone. Diamond Quarter lists it at $7,648. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
G
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7421531215
Dimensions6.42 × 6.32 × 3.87 mm
L/W Ratio1.02
Top View
6.42 mm6.32 mm1.00 ctG / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7421531215
Side View
Table 62.0%Crown 31°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 60.8%

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 6
Current: $3,127 AUD|Low: $2,790 AUD|High: $7,128 AUD|Avg: $3,870 AUD|-13.3%
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
Retailer 16
Retailer 17
November 6, 2026
Retailer 17$2,790 AUD
Retailer 2$2,871 AUD
Retailer 4$3,006 AUD
Retailer 14$3,088 AUD
Retailer 16$3,088 AUD
Retailer 1$3,127 AUD
Retailer 13$3,167 AUD
Retailer 15$3,231 AUD
Retailer 6$3,564 AUD
Retailer 9$3,566 AUD
Retailer 11$3,586 AUD
Retailer 5$3,643 AUD
Retailer 8$3,643 AUD
Retailer 3$3,757 AUD
Retailer 10$4,234 AUD
Retailer 12$5,971 AUD
Retailer 7$7,128 AUD

36 data points across 17 retailers

19 retailers$2,790 AUD to $7,648 AUD

A
Cheapest Retailer
-
$2,790 AUD
A
Retailer 2
-
$2,871 AUD
View
A
Retailer 3
-
$3,006 AUD
View
Retailer 4
-
$3,088 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$3,088 AUD
View
A
Retailer 6
-
$3,127 AUD
View
A
Retailer 7
-
$3,167 AUD
View
B+
Retailer 8
-
$3,231 AUD
View
B+
Retailer 9
-
$3,564 AUD
View
B+
Retailer 10
-
$3,566 AUD
View
Final sale: no returns
B+
Retailer 11
-
$3,586 AUD
View
B+
Retailer 12
-
$3,600 AUD
View
B+
Retailer 13
-
$3,643 AUD
View
B+
Retailer 14
-
$3,643 AUD
View
B+
Retailer 15
-
$3,757 AUD
View
B+
Retailer 16
-
$4,234 AUD
View
B
Retailer 17
-
$5,971 AUD
View
C
Retailer 18
-
$7,128 AUD
View
Most Expensive
C
Diamond Quarter
1.0SI2G74156F91N · Nov 5
$7,648 AUD
£4,216 GBP
View
18 more retailers have this diamond
Prices start from $2,790 AUDSave up to $4,858 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
$2,790 AUD