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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6561210142

Certificate GIA 6561210142

Diamond specifications and retailer prices

From $3,036 AUD
As of November 6, 2026
Save $5,401 AUD (64%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,437 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 top-tier cut grade and certified by GIA 6561210142. Listed at 20 retailers as of November 5, 2026, with prices from $3,036 to $8,437, a $5,401 spread on the same certified stone. NZ Jewellers lists it at $8,437. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6561210142
Dimensions6.44 × 6.48 × 3.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Twinning Wisp, Feather, Indented Natural
Top View
6.44 mm6.48 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561210142
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.6%

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: $8,437 AUD|Low: $3,036 AUD|High: $8,437 AUD|Avg: $4,820 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
November 6, 2026
Retailer 4$3,036 AUD
Retailer 8$3,151 AUD
Retailer 9$3,649 AUD
Retailer 3$3,668 AUD
Retailer 13$3,807 AUD
Retailer 2$3,943 AUD
Retailer 6$4,036 AUD
Retailer 7$4,036 AUD
Retailer 11$4,221 AUD
Retailer 10$4,222 AUD
Retailer 12$4,381 AUD
Retailer 14$4,695 AUD
Retailer 15$7,051 AUD
Retailer 5$7,226 AUD
NZ Jewellers$8,437 AUD

23 data points across 15 retailers

20 retailers$3,036 AUD to $8,437 AUD

A
Cheapest Retailer
-
$3,036 AUD
A
Retailer 2
-
$3,151 AUD
View
A
Retailer 3
-
$3,649 AUD
View
A
Retailer 4
-
$3,668 AUD
View
A
Retailer 5
-
$3,726 AUD
View
Final sale: no returns
A
Retailer 6
-
$3,727 AUD
View
B+
Retailer 7
-
$3,759 AUD
View
A
Retailer 8
-
$3,807 AUD
View
A
Retailer 9
-
$3,943 AUD
View
B+
Retailer 10
-
$4,036 AUD
View
Retailer 11
-
$4,036 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$4,119 AUD
View
B+
Retailer 13
-
$4,221 AUD
View
B+
Retailer 14
-
$4,222 AUD
View
B+
Retailer 15
-
$4,241 AUD
View
B+
Retailer 16
-
$4,381 AUD
View
B+
Retailer 17
-
$4,695 AUD
View
B
Retailer 18
-
$7,051 AUD
View
Retailer 19
-
$7,226 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
NZ Jewellers
26258ee0-2dd5-48f7-a34f-52c222b25a27 · Nov 5
$8,437 AUD
$5,797 USD
View
19 more retailers have this diamond
Prices start from $3,036 AUDSave up to $5,401 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
$3,036 AUD