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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

VG • F/SI2 • GIA 6401807782

Certificate GIA 6401807782

Diamond specifications and retailer prices

From $2,496 AUD
As of November 6, 2026
Save $4,500 AUD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,996 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 F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6401807782. Listed at 19 retailers as of November 5, 2026, with prices from $2,496 to $6,996, a $4,500 spread on the same certified stone. NZ Jewellers lists it at $6,996. 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
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6401807782
Dimensions6.29 × 6.20 × 3.99 mm
L/W Ratio1.01
Top View
6.29 mm6.20 mm1.00 ctF / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6401807782
Side View
Table 58.0%Crown 37.5°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 63.9%

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: $3,024 AUD|Low: $2,302 AUD|High: $5,932 AUD|Avg: $3,424 AUD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$2,496 AUD
Retailer 4$2,663 AUD
Retailer 7$2,739 AUD
Retailer 8$2,797 AUD
Retailer 1$3,024 AUD
Retailer 9$3,171 AUD
Retailer 2$3,615 AUD
Retailer 5$4,082 AUD
Retailer 3$5,846 AUD

41 data points across 9 retailers

19 retailers$2,496 AUD to $6,996 AUD

A
Cheapest Retailer
-
$2,496 AUD
A
Retailer 2
-
$2,663 AUD
View
A
Retailer 3
-
$2,716 AUD
View
A
Retailer 4
-
$2,739 AUD
View
B+
Retailer 5
-
$2,797 AUD
View
Final sale: no returns
A
Retailer 6
-
$2,950 AUD
View
A
Retailer 7
-
$3,024 AUD
View
A
Retailer 8
-
$3,032 AUD
View
Retailer 9
-
$3,032 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,171 AUD
View
B+
Retailer 11
-
$3,497 AUD
View
B+
Retailer 12
-
$3,522 AUD
View
B+
Retailer 13
-
$3,522 AUD
View
B+
Retailer 14
-
$3,615 AUD
View
B+
Retailer 15
-
$3,639 AUD
View
B+
Retailer 16
-
$4,082 AUD
View
B
Retailer 17
-
$5,846 AUD
View
B
Retailer 18
-
$6,728 AUD
View
Most Expensive
B
NZ Jewellers
63dd54fe-2527-4189-b675-5507dba8d58d · Nov 5
$6,996 AUD
$4,807 USD
View
18 more retailers have this diamond
Prices start from $2,496 AUDSave up to $4,500 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
$2,496 AUD