CaratHunter
Plans
Round|Natural|GIA

1.00ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2567386401

Certificate GIA 2567386401

Diamond specifications and retailer prices

From $3,650 AUD
As of November 6, 2026
Save $4,806 AUD (57%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $8,456 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2567386401. Listed at 24 retailers as of November 5, 2026, with prices from $3,650 to $8,456, a $4,806 spread on the same certified stone. NZ Jewellers lists it at $8,456. 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 angle32.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2567386401
Dimensions6.46 × 6.51 × 3.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Pinpoint, Indented Natural
Top View
6.46 mm6.51 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567386401
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 41°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: $8,456 AUD|Low: $3,650 AUD|High: $8,456 AUD|Avg: $5,579 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
November 6, 2026
Retailer 17$3,650 AUD
Retailer 2$3,794 AUD
Retailer 9$4,432 AUD
Retailer 3$4,490 AUD
Retailer 15$4,586 AUD
Retailer 10$4,644 AUD
Retailer 5$4,854 AUD
Retailer 7$4,854 AUD
Retailer 12$4,961 AUD
Retailer 6$5,040 AUD
Retailer 11$5,087 AUD
Retailer 8$5,600 AUD
Retailer 13$5,648 AUD
Retailer 14$5,923 AUD
Retailer 4$7,901 AUD
Retailer 16$8,115 AUD
NZ Jewellers$8,456 AUD

22 data points across 17 retailers

24 retailers$3,650 AUD to $8,456 AUD

A
Cheapest Retailer
-
$3,650 AUD
A
Retailer 2
-
$3,794 AUD
View
B+
Retailer 3
-
$4,344 AUD
View
B+
Retailer 4
-
$4,411 AUD
View
B+
Retailer 5
-
$4,432 AUD
View
B+
Retailer 6
-
$4,480 AUD
View
Final sale: no returns
B+
Retailer 7
-
$4,490 AUD
View
B+
Retailer 8
-
$4,490 AUD
View
B+
Retailer 9
-
$4,586 AUD
View
B+
Retailer 10
-
$4,644 AUD
View
B+
Retailer 11
-
$4,854 AUD
View
Retailer 12
-
$4,854 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$4,890 AUD
View
B+
Retailer 14
-
$4,961 AUD
View
B+
Retailer 15
-
$5,040 AUD
View
B+
Retailer 16
-
$5,062 AUD
View
B+
Retailer 17
-
$5,087 AUD
View
Retailer 18
-
$5,203 AUD
View
Price last confirmed 33 days ago
B+
Retailer 19
-
$5,600 AUD
View
B+
Retailer 20
-
$5,648 AUD
View
B+
Retailer 21
-
$5,923 AUD
View
Retailer 22
-
$7,901 AUD
View
Price last confirmed 9 days ago
B
Retailer 23
-
$8,115 AUD
View
Most Expensive
B
NZ Jewellers
ae5a5c0c-0bba-4116-9fc5-29900e583efa · Nov 5
$8,456 AUD
$5,810 USD
View
23 more retailers have this diamond
Prices start from $3,650 AUDSave up to $4,806 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
$3,650 AUD