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Round|Natural|GIA

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1519052866

Certificate GIA 1519052866

Diamond specifications and retailer prices

From $4,149 CAD
As of November 6, 2026
Save $4,464 CAD (52%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,613 CAD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 1519052866. Listed at 18 retailers as of November 5, 2026, with prices from $4,149 to $8,613, a $4,464 spread on the same certified stone. Diamond Quarter lists it at $8,613. 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 angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1519052866
Dimensions6.52 × 6.49 × 4.04 mm
L/W Ratio1.00
Star length45%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
6.52 mm6.49 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1519052866
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

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 6
Current: $4,473 CAD|Low: $4,218 CAD|High: $7,912 CAD|Avg: $5,232 CAD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$4,218 CAD
Retailer 8$4,314 CAD
Retailer 1$4,473 CAD
Retailer 2$4,807 CAD
Retailer 9$4,993 CAD
Retailer 4$5,427 CAD
Retailer 3$5,430 CAD
Retailer 5$5,705 CAD
Retailer 6$7,796 CAD

34 data points across 9 retailers

18 retailers$4,149 CAD to $8,613 CAD

B+
Cheapest Retailer
-
$4,149 CAD
B+
Retailer 2
-
$4,218 CAD
View
B+
Retailer 3
-
$4,314 CAD
View
Final sale: no returns
B+
Retailer 4
-
$4,473 CAD
View
B+
Retailer 5
-
$4,518 CAD
View
Retailer 6
-
$4,674 CAD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,674 CAD
View
B+
Retailer 8
-
$4,807 CAD
View
B+
Retailer 9
-
$4,855 CAD
View
Retailer 10
-
$4,993 CAD
View
Price last confirmed 30 days ago
B+
Retailer 11
-
$5,165 CAD
View
B
Retailer 12
-
$5,394 CAD
View
B+
Retailer 13
-
$5,427 CAD
View
B+
Retailer 14
-
$5,430 CAD
View
B
Retailer 15
-
$5,705 CAD
View
B
Retailer 16
-
$7,796 CAD
View
B
Retailer 17
-
$8,144 CAD
View
Most Expensive
B
Diamond Quarter
1.05SI1H1566220DN · Nov 5
$8,613 CAD
£4,856 GBP
View
17 more retailers have this diamond
Prices start from $4,149 CADSave up to $4,464 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
$4,149 CAD