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Cushion|Natural|GIA

1.05ct K SI1 Cushion Natural Diamond

ID • K/SI1 • GIA 17172162

Certificate GIA 17172162

Diamond specifications and retailer prices

From $3,021 CAD
As of November 6, 2026
Save $3,603 CAD (54%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,624 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.05ct natural cushion diamond

This 1.05ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 17172162. Listed at 11 retailers as of November 4, 2026, with prices from $3,021 to $6,624, a $3,603 spread on the same certified stone. MOH London lists it at $6,624. 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
K
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 17172162
Dimensions6.08 × 5.83 × 3.54 mm
L/W Ratio1.04
Culet sizeNone
Top View
6.08 mm5.83 mm1.05 ctK / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 17172162
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $6,624 CAD|Low: $3,021 CAD|High: $6,722 CAD|Avg: $4,221 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$3,021 CAD
Retailer 5$3,102 CAD
Retailer 6$3,434 CAD
Retailer 3$4,012 CAD
Retailer 2$4,428 CAD
Retailer 4$4,626 CAD
MOH London$6,624 CAD

45 data points across 7 retailers

11 retailers$3,021 CAD to $6,624 CAD

B+
Cheapest Retailer
-
$3,021 CAD
B+
Retailer 2
-
$3,102 CAD
View
B+
Retailer 3
-
$3,102 CAD
View
B
Retailer 4
-
$3,238 CAD
View
B
Retailer 5
-
$3,313 CAD
View
Retailer 6
-
$3,434 CAD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$3,722 CAD
View
B
Retailer 8
-
$4,012 CAD
View
B
Retailer 9
-
$4,428 CAD
View
B
Retailer 10
-
$4,626 CAD
View
Most Expensive
B
MOH London
AF6439998 · Nov 4
$6,624 CAD
£3,708 GBP
View
10 more retailers have this diamond
Prices start from $3,021 CADSave up to $3,603 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 Cushion
$3,021 CAD