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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 2568392154

Certificate GIA 2568392154

Diamond specifications and retailer prices

From $2,248 AUD
As of November 6, 2026
Save $4,007 AUD (64%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,255 AUD at NZ Jewellers · As of November 5, 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 very-good cut grade and certified by GIA 2568392154. Listed at 20 retailers as of November 5, 2026, with prices from $2,248 to $6,255, a $4,007 spread on the same certified stone. NZ Jewellers lists it at $6,255. 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
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2568392154
Dimensions6.33 × 6.42 × 3.90 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.33 mm6.42 mm1.00 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2568392154
Side View
Table 64.0%Crown 34.5°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 61.2%

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 6
Current: $6,255 AUD|Low: $2,248 AUD|High: $6,255 AUD|Avg: $3,287 AUD
NZ Jewellers
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
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 11$2,248 AUD
Retailer 2$2,250 AUD
Retailer 10$2,494 AUD
Retailer 6$2,577 AUD
Retailer 7$2,657 AUD
Retailer 18$2,701 AUD
Retailer 19$2,730 AUD
Retailer 13$2,744 AUD
Retailer 9$2,761 AUD
Retailer 8$2,991 AUD
Retailer 12$3,014 AUD
Retailer 14$3,118 AUD
Retailer 4$3,130 AUD
Retailer 15$3,263 AUD
Retailer 17$3,437 AUD
Retailer 5$3,453 AUD
Retailer 16$3,843 AUD
Retailer 3$4,337 AUD
Retailer 20$5,228 AUD
NZ Jewellers$6,255 AUD

21 data points across 20 retailers

20 retailers$2,248 AUD to $6,255 AUD

A
Cheapest Retailer
-
$2,248 AUD
A
Retailer 2
-
$2,250 AUD
View
A
Retailer 3
-
$2,494 AUD
View
A
Retailer 4
-
$2,577 AUD
View
A
Retailer 5
-
$2,657 AUD
View
A
Retailer 6
-
$2,701 AUD
View
A
Retailer 7
-
$2,730 AUD
View
A
Retailer 8
-
$2,744 AUD
View
B+
Retailer 9
-
$2,761 AUD
View
Final sale: no returns
A
Retailer 10
-
$2,991 AUD
View
A
Retailer 11
-
$3,014 AUD
View
A
Retailer 12
-
$3,118 AUD
View
A
Retailer 13
-
$3,130 AUD
View
A
Retailer 14
-
$3,263 AUD
View
A
Retailer 15
-
$3,437 AUD
View
A
Retailer 16
-
$3,453 AUD
View
B+
Retailer 17
-
$3,843 AUD
View
B+
Retailer 18
-
$4,337 AUD
View
B+
Retailer 19
-
$5,228 AUD
View
Most Expensive
B
NZ Jewellers
489ecdb1-bda0-4c39-b21d-9f096647fdaf · Nov 5
$6,255 AUD
$4,379 USD
View
19 more retailers have this diamond
Prices start from $2,248 AUDSave up to $4,007 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
$2,248 AUD