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Round|Natural|GIA

1.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1548725237

Certificate GIA 1548725237

Diamond specifications and retailer prices

From $2,788 CAD
As of November 6, 2026
Save $5,031 CAD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,818 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1548725237. Listed at 18 retailers as of November 5, 2026, with prices from $2,788 to $7,818, a $5,031 spread on the same certified stone. NZ Jewellers lists it at $7,818. 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
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1548725237
Dimensions6.44 × 6.48 × 4.08 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Knot, Needle
Top View
6.44 mm6.48 mm1.05 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1548725237
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.1%

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: $3,578 CAD|Low: $2,753 CAD|High: $6,630 CAD|Avg: $3,933 CAD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$2,788 CAD
Retailer 11$3,060 CAD
Retailer 9$3,066 CAD
Retailer 10$3,126 CAD
Retailer 3$3,545 CAD
Retailer 1$3,578 CAD
Retailer 4$3,934 CAD
Retailer 2$4,188 CAD
Retailer 7$4,204 CAD
Retailer 5$4,564 CAD
Retailer 6$6,533 CAD

41 data points across 11 retailers

18 retailers$2,788 CAD to $7,818 CAD

A
Cheapest Retailer
-
$2,788 CAD
A
Retailer 2
-
$3,060 CAD
View
A
Retailer 3
-
$3,066 CAD
View
A
Retailer 4
-
$3,126 CAD
View
Final sale: no returns
B+
Retailer 5
-
$3,388 CAD
View
Retailer 6
-
$3,388 CAD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,545 CAD
View
B+
Retailer 8
-
$3,578 CAD
View
B+
Retailer 9
-
$3,897 CAD
View
B+
Retailer 10
-
$3,897 CAD
View
B+
Retailer 11
-
$3,909 CAD
View
B+
Retailer 12
-
$3,934 CAD
View
B+
Retailer 13
-
$4,022 CAD
View
Retailer 14
-
$4,188 CAD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
$4,204 CAD
View
B+
Retailer 16
-
$4,564 CAD
View
B
Retailer 17
-
$6,533 CAD
View
Most Expensive
B
NZ Jewellers
c21700ea-8b83-4934-b62a-871d0c649982 · Nov 5
$7,818 CAD
$5,598 USD
View
17 more retailers have this diamond
Prices start from $2,788 CADSave up to $5,031 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.

A
1.05ct Round
$2,788 CAD