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Cushion|Natural|GIA

1.05ct K IF Cushion Natural Diamond

EX • K/IF • GIA 1539156388

Certificate GIA 1539156388

Diamond specifications and retailer prices

From $2,222 CAD
As of November 6, 2026
Save $1,297 CAD (37%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,519 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1539156388. Listed at 6 retailers as of November 4, 2026, with prices from $2,222 to $3,519, a $1,297 spread on the same certified stone. MOH London lists it at $3,519. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
K
Color
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1539156388
Dimensions5.67 × 5.64 × 3.83 mm
L/W Ratio1.01
Top View
5.67 mm5.64 mm1.05 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1539156388
Side View
Table 70.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,519 CAD|Low: $2,187 CAD|High: $3,748 CAD|Avg: $2,640 CAD|-5.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3$2,222 CAD
Retailer 6$2,311 CAD
Retailer 5$2,391 CAD
Retailer 4$2,457 CAD
Retailer 2$2,789 CAD
MOH London$3,519 CAD

37 data points across 6 retailers

6 retailers$2,222 CAD to $3,519 CAD

A
Cheapest Retailer
-
$2,222 CAD
A
Retailer 2
-
$2,311 CAD
View
A
Retailer 3
-
$2,391 CAD
View
A
Retailer 4
-
$2,457 CAD
View
B+
Retailer 5
-
$2,789 CAD
View
Most Expensive
B+
MOH London
936224042 · Nov 4
$3,519 CAD
£1,970 GBP
View
5 more retailers have this diamond
Prices start from $2,222 CADSave up to $1,297 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 Cushion
$2,222 CAD