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Cushion|Natural|GIA

1.05ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6542230145

Certificate GIA 6542230145

Diamond specifications and retailer prices

From $1,204 CAD
As of November 6, 2026
Save $504 CAD (30%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,708 CAD at GemTrove · As of November 6, 2026
View at GemTrove

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 6542230145. Listed at 7 retailers as of November 6, 2026, with prices from $1,204 to $1,708, a $504 spread on the same certified stone. GemTrove lists it at $1,708. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542230145
Dimensions5.73 × 5.66 × 3.80 mm
L/W Ratio1.01
Top View
5.73 mm5.66 mm1.05 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542230145
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.2%

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: $1,708 CAD|Low: $1,111 CAD|High: $1,724 CAD|Avg: $1,413 CAD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$1,204 CAD
Retailer 4$1,212 CAD
Retailer 3$1,325 CAD
Retailer 2$1,362 CAD
Retailer 6$1,373 CAD
Retailer 5$1,491 CAD
GemTrove$1,708 CAD

41 data points across 7 retailers

7 retailers$1,204 CAD to $1,708 CAD

A
Cheapest Retailer
-
$1,204 CAD
A
Retailer 2
-
$1,212 CAD
View
Final sale: no returns
A
Retailer 3
-
$1,325 CAD
View
A
Retailer 4
-
$1,362 CAD
View
A
Retailer 5
-
$1,373 CAD
View
A
Retailer 6
-
$1,491 CAD
View
Most Expensive
B+
GemTrove
GT-N-00959194-98 · Nov 6
$1,708 CAD
A$1,868 AUD
View
6 more retailers have this diamond
Prices start from $1,204 CADSave up to $504 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
$1,204 CAD