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Round|Natural|GIA

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1523721555

Certificate GIA 1523721555

Diamond specifications and retailer prices

From $4,005 CAD
As of November 4, 2026
Save $4,598 CAD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,603 CAD 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1523721555. Listed at 20 retailers as of November 4, 2026, with prices from $4,005 to $8,603, a $4,598 spread on the same certified stone. NZ Jewellers lists it at $8,603. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1523721555
Dimensions6.50 × 6.48 × 4.04 mm
L/W Ratio1.00
Key to symbols
Twinning Wisp, Cloud, Feather, Crystal, Needle, Indented Natural
Top View
6.50 mm6.48 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1523721555
Side View
Table 57.0%Crown 34.5°Girdle: Sli. ThickPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $8,603 CAD|Low: $3,331 CAD|High: $8,603 CAD|Avg: $5,216 CAD
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
November 6, 2026
Retailer 5$4,005 CAD
Retailer 4$4,008 CAD
Retailer 3$4,085 CAD
Retailer 10$4,473 CAD
Retailer 13$4,473 CAD
Retailer 11$4,646 CAD
Retailer 2$4,725 CAD
Retailer 7$5,078 CAD
Retailer 14$5,162 CAD
Retailer 6$5,289 CAD
Retailer 9$5,391 CAD
Retailer 8$6,028 CAD
Retailer 12$8,301 CAD
NZ Jewellers$8,603 CAD

31 data points across 14 retailers

20 retailers$4,005 CAD to $8,603 CAD

B+
Cheapest Retailer
-
$4,005 CAD
B+
Retailer 2
-
$4,008 CAD
View
B+
Retailer 3
-
$4,085 CAD
View
B+
Retailer 4
-
$4,180 CAD
View
Retailer 5
-
$4,473 CAD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,473 CAD
View
B
Retailer 7
-
$4,646 CAD
View
B+
Retailer 8
-
$4,725 CAD
View
B+
Retailer 9
-
$4,810 CAD
View
B+
Retailer 10
-
$5,078 CAD
View
B
Retailer 11
-
$5,084 CAD
View
B
Retailer 12
-
$5,084 CAD
View
B
Retailer 13
-
$5,162 CAD
View
B
Retailer 14
-
$5,251 CAD
View
Retailer 15
-
$5,289 CAD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
$5,391 CAD
View
Retailer 17
-
$5,595 CAD
View
Price last confirmed 14 days ago
B
Retailer 18
-
$6,028 CAD
View
Retailer 19
-
$8,301 CAD
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
1a135e1e-7c15-4aae-97a8-2c1afcc886a3 · Nov 5
$8,603 CAD
$6,160 USD
View
19 more retailers have this diamond
Prices start from $4,005 CADSave up to $4,598 CAD

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.

B+
1.05ct Round
$4,005 CAD