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Round|Natural|GIA

1.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1569260758

Certificate GIA 1569260758

Diamond specifications and retailer prices

From $4,409 NZD
As of November 6, 2026
Save $5,861 NZD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $10,270 NZD 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 $4,409 to $10,270, a $5,861 spread on the same certified stone. NZ Jewellers lists it at $10,270. 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: $10,270 NZD|Low: $4,364 NZD|High: $10,270 NZD|Avg: $6,083 NZD
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$4,409 NZD
Retailer 11$4,629 NZD
Retailer 4$4,690 NZD
Retailer 10$4,782 NZD
Retailer 6$4,789 NZD
Retailer 8$4,928 NZD
Retailer 7$5,340 NZD
Retailer 9$5,340 NZD
Retailer 5$5,545 NZD
Retailer 2$5,641 NZD
Retailer 19$5,763 NZD
Retailer 13$6,025 NZD
Retailer 18$6,079 NZD
Retailer 20$6,079 NZD
Retailer 12$6,162 NZD
Retailer 21$6,270 NZD
Retailer 17$6,278 NZD
Retailer 14$6,837 NZD
Retailer 15$7,194 NZD
Retailer 16$9,831 NZD
NZ Jewellers$10,270 NZD

31 data points across 21 retailers

22 retailers$4,409 NZD to $10,270 NZD

A
Cheapest Retailer
-
$4,409 NZD
B+
Retailer 2
-
$4,629 NZD
View
B+
Retailer 3
-
$4,690 NZD
View
B+
Retailer 4
-
$4,782 NZD
View
B+
Retailer 5
-
$4,789 NZD
View
B+
Retailer 6
-
$4,789 NZD
View
B+
Retailer 7
-
$4,928 NZD
View
Final sale: no returns
B+
Retailer 8
-
$5,340 NZD
View
Retailer 9
-
$5,340 NZD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$5,545 NZD
View
B+
Retailer 11
-
$5,641 NZD
View
B+
Retailer 12
-
$5,763 NZD
View
B+
Retailer 13
-
$6,025 NZD
View
B
Retailer 14
-
$6,079 NZD
View
B
Retailer 15
-
$6,079 NZD
View
B+
Retailer 16
-
$6,162 NZD
View
B+
Retailer 17
-
$6,270 NZD
View
B+
Retailer 18
-
$6,278 NZD
View
Retailer 19
-
$6,837 NZD
View
Price last confirmed 23 days ago
B
Retailer 20
-
$7,194 NZD
View
B
Retailer 21
-
$9,831 NZD
View
Most Expensive
B
NZ Jewellers
5559ed8d-e314-43eb-9985-a316c6eed3be · Nov 5
$10,270 NZD
$5,693 USD
View
21 more retailers have this diamond
Prices start from $4,409 NZDSave up to $5,861 NZD

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
$4,409 NZD