CaratHunter
Plans
Round|Natural|GIA

1.00ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6441821726

Certificate GIA 6441821726

Diamond specifications and retailer prices

From $4,729 AUD
As of November 6, 2026
Save $5,248 AUD (53%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $10,914 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6441821726. Listed at 22 retailers as of November 2, 2026, with a 111% 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6441821726
Dimensions6.47 × 6.43 × 3.86 mm
L/W Ratio1.01
Star length50%
Top View
6.47 mm6.43 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6441821726
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,268 AUD|Low: $4,529 AUD|High: $10,098 AUD|Avg: $6,370 AUD|-0.1%
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$4,729 AUD
Retailer 8$4,890 AUD
Retailer 7$4,995 AUD
Retailer 9$5,238 AUD
Retailer 1$6,268 AUD
Retailer 6$6,436 AUD
Retailer 4$6,628 AUD
Retailer 10$6,682 AUD
Retailer 3$7,647 AUD
Retailer 5$9,977 AUD

42 data points across 10 retailers

22 retailers$4,729 AUD to $9,977 AUD

B+
Cheapest Retailer
-
$4,729 AUD
B+
Retailer 2
-
$4,890 AUD
View
B+
Retailer 3
-
$4,895 AUD
View
B+
Retailer 4
-
$4,995 AUD
View
B
Retailer 5
-
$5,238 AUD
View
Final sale: no returns
B+
Retailer 6
-
$5,421 AUD
View
B+
Retailer 7
-
$5,664 AUD
View
Retailer 8
-
$5,675 AUD
View
Price last confirmed 21 days ago
Retailer 9
-
$5,675 AUD
View
Price last confirmed 17 days ago
Retailer 10
-
$5,893 AUD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
$6,268 AUD
View
B
Retailer 12
-
$6,404 AUD
View
B
Retailer 13
-
$6,404 AUD
View
B
Retailer 14
-
$6,436 AUD
View
Retailer 15
-
$6,548 AUD
View
Price last confirmed 19 days ago
B
Retailer 16
-
$6,622 AUD
View
B
Retailer 17
-
$6,628 AUD
View
Retailer 18
-
$6,682 AUD
View
Price last confirmed 28 days ago
Retailer 19
-
$7,088 AUD
View
Price last confirmed 14 days ago
B
Retailer 20
-
$7,647 AUD
View
B
Retailer 21
-
$9,977 AUD
View
Most Expensive
NZ Jewellers
eca354b8-503c-4be2-9e95-23624b3afd7e · Oct 20
$10,914 AUD
$7,499 USD
View
Price last confirmed 17 days ago
21 more retailers have this diamond
Prices start from $4,729 AUDSave up to $5,248 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.

B+
1.00ct Round
$4,729 AUD