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Round|Natural|GIA

1.00ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1565410290

Certificate GIA 1565410290

Diamond specifications and retailer prices

From $3,502 AUD
As of November 6, 2026
Save $4,571 AUD (57%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $8,073 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 1565410290. Listed at 24 retailers as of November 5, 2026, with prices from $3,502 to $8,073, a $4,571 spread on the same certified stone. NZ Jewellers lists it at $8,073. 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
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565410290
Dimensions6.39 × 6.41 × 3.92 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
6.39 mm6.41 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565410290
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

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: $8,073 AUD|Low: $3,464 AUD|High: $8,073 AUD|Avg: $5,264 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
November 6, 2026
Retailer 3$3,502 AUD
Retailer 2$3,628 AUD
Retailer 15$4,071 AUD
Retailer 17$4,235 AUD
Retailer 10$4,277 AUD
Retailer 4$4,286 AUD
Retailer 11$4,435 AUD
Retailer 5$4,634 AUD
Retailer 7$4,634 AUD
Retailer 13$4,765 AUD
Retailer 6$4,813 AUD
Retailer 12$4,857 AUD
Retailer 9$5,347 AUD
Retailer 16$5,389 AUD
Retailer 14$5,656 AUD
Retailer 8$7,717 AUD
Retailer 18$7,750 AUD
NZ Jewellers$8,073 AUD

21 data points across 18 retailers

24 retailers$3,502 AUD to $8,073 AUD

A
Cheapest Retailer
-
$3,502 AUD
A
Retailer 2
-
$3,628 AUD
View
A
Retailer 3
-
$4,071 AUD
View
B+
Retailer 4
-
$4,152 AUD
View
B+
Retailer 5
-
$4,228 AUD
View
B+
Retailer 6
-
$4,235 AUD
View
B+
Retailer 7
-
$4,277 AUD
View
Final sale: no returns
B+
Retailer 8
-
$4,286 AUD
View
B+
Retailer 9
-
$4,286 AUD
View
B+
Retailer 10
-
$4,435 AUD
View
B+
Retailer 11
-
$4,634 AUD
View
Retailer 12
-
$4,634 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$4,686 AUD
View
B+
Retailer 14
-
$4,765 AUD
View
B+
Retailer 15
-
$4,813 AUD
View
B+
Retailer 16
-
$4,842 AUD
View
B+
Retailer 17
-
$4,857 AUD
View
Retailer 18
-
$4,969 AUD
View
Price last confirmed 33 days ago
B+
Retailer 19
-
$5,347 AUD
View
B+
Retailer 20
-
$5,389 AUD
View
B+
Retailer 21
-
$5,656 AUD
View
Retailer 22
-
$7,717 AUD
View
Price last confirmed 9 days ago
B
Retailer 23
-
$7,750 AUD
View
Most Expensive
B
NZ Jewellers
825c2c48-2507-4220-9faf-f08f54ee642f · Nov 5
$8,073 AUD
$5,547 USD
View
23 more retailers have this diamond
Prices start from $3,502 AUDSave up to $4,571 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
$3,502 AUD