Round|Natural|GIA

1.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1569260758

Certificate GIA 1569260758

Diamond specifications and retailer prices

From $2,444 USD
As of November 6, 2026
Save $3,249 USD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,693 USD 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 $2,444 to $5,693, a $3,249 spread on the same certified stone. NZ Jewellers lists it at $5,693. 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
Color
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: $5,693 USD|Low: $2,419 USD|High: $5,693 USD|Avg: $3,372 USD
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$2,444 USD
Retailer 11$2,566 USD
Retailer 4$2,600 USD
Retailer 10$2,651 USD
Retailer 6$2,655 USD
Retailer 8$2,732 USD
Retailer 7$2,960 USD
Retailer 9$2,960 USD
Retailer 5$3,074 USD
Retailer 2$3,127 USD
Retailer 19$3,195 USD
Retailer 13$3,340 USD
Retailer 18$3,370 USD
Retailer 20$3,370 USD
Retailer 12$3,416 USD
Retailer 21$3,476 USD
Retailer 17$3,480 USD
Retailer 14$3,790 USD
Retailer 15$3,988 USD
Retailer 16$5,450 USD
NZ Jewellers$5,693 USD

31 data points across 21 retailers

22 retailers$2,444 USD to $5,693 USD

A
Cheapest Retailer
-
$2,444 USD
B+
Retailer 2
-
$2,566 USD
View
B+
Retailer 3
-
$2,600 USD
View
B+
Retailer 4
-
$2,651 USD
View
B+
Retailer 5
-
$2,655 USD
View
B+
Retailer 6
-
$2,655 USD
View
B+
Retailer 7
-
$2,732 USD
View
Final sale: no returns
B+
Retailer 8
-
$2,960 USD
View
Retailer 9
-
$2,960 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,074 USD
View
B+
Retailer 11
-
$3,127 USD
View
B+
Retailer 12
-
$3,195 USD
View
B+
Retailer 13
-
$3,340 USD
View
B
Retailer 14
-
$3,370 USD
View
B
Retailer 15
-
$3,370 USD
View
B+
Retailer 16
-
$3,416 USD
View
B+
Retailer 17
-
$3,476 USD
View
B+
Retailer 18
-
$3,480 USD
View
Retailer 19
-
$3,790 USD
View
Price last confirmed 23 days ago
B
Retailer 20
-
$3,988 USD
View
B
Retailer 21
-
$5,450 USD
View
Most Expensive
B
NZ Jewellers
5559ed8d-e314-43eb-9985-a316c6eed3be · Nov 5
$5,693 USD
View
21 more retailers have this diamond
Prices start from $2,444 USDSave up to $3,249 USD

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
$2,444 USD