Round|Natural|GIA

1.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1569260758

Certificate GIA 1569260758

Diamond specifications and retailer prices

From $3,557 AUD
As of November 6, 2026
Save $4,729 AUD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,286 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1569260758. Listed at 22 retailers as of November 5, 2026, with prices from $3,557 to $8,286, a $4,729 spread on the same certified stone. NZ Jewellers lists it at $8,286. 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

1.05
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1569260758
Dimensions6.44 × 6.48 × 4.05 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud
Top View
6.44 mm6.48 mm1.05 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1569260758
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.7%

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: $8,286 AUD|Low: $3,521 AUD|High: $8,286 AUD|Avg: $4,908 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
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 3$3,557 AUD
Retailer 11$3,735 AUD
Retailer 4$3,784 AUD
Retailer 10$3,858 AUD
Retailer 6$3,864 AUD
Retailer 8$3,976 AUD
Retailer 7$4,308 AUD
Retailer 9$4,308 AUD
Retailer 5$4,474 AUD
Retailer 2$4,551 AUD
Retailer 19$4,650 AUD
Retailer 13$4,861 AUD
Retailer 18$4,905 AUD
Retailer 20$4,905 AUD
Retailer 12$4,972 AUD
Retailer 21$5,059 AUD
Retailer 17$5,065 AUD
Retailer 14$5,516 AUD
Retailer 15$5,804 AUD
Retailer 16$7,932 AUD
NZ Jewellers$8,286 AUD

31 data points across 21 retailers

22 retailers$3,557 AUD to $8,286 AUD

A
Cheapest Retailer
-
$3,557 AUD
B+
Retailer 2
-
$3,735 AUD
View
B+
Retailer 3
-
$3,784 AUD
View
B+
Retailer 4
-
$3,858 AUD
View
B+
Retailer 5
-
$3,864 AUD
View
B+
Retailer 6
-
$3,864 AUD
View
B+
Retailer 7
-
$3,976 AUD
View
Final sale: no returns
B+
Retailer 8
-
$4,308 AUD
View
Retailer 9
-
$4,308 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$4,474 AUD
View
B+
Retailer 11
-
$4,551 AUD
View
B+
Retailer 12
-
$4,650 AUD
View
B+
Retailer 13
-
$4,861 AUD
View
B
Retailer 14
-
$4,905 AUD
View
B
Retailer 15
-
$4,905 AUD
View
B+
Retailer 16
-
$4,972 AUD
View
B+
Retailer 17
-
$5,059 AUD
View
B+
Retailer 18
-
$5,065 AUD
View
Retailer 19
-
$5,516 AUD
View
Price last confirmed 23 days ago
B
Retailer 20
-
$5,804 AUD
View
B
Retailer 21
-
$7,932 AUD
View
Most Expensive
B
NZ Jewellers
5559ed8d-e314-43eb-9985-a316c6eed3be · Nov 5
$8,286 AUD
$5,693 USD
View
21 more retailers have this diamond
Prices start from $3,557 AUDSave up to $4,729 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
1.05ct Round
$3,557 AUD