Cushion|Natural|GIA

1.05ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 1568010215

Certificate GIA 1568010215

Diamond specifications and retailer prices

From $1,466 CAD
As of November 5, 2026
Save $325 CAD (18%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,790 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 1568010215. Listed at 5 retailers as of November 5, 2026, with prices from $1,466 to $1,790, a $325 spread on the same certified stone. GemTrove lists it at $1,790. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1568010215
Dimensions5.67 × 5.63 × 3.81 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Natural
Top View
5.67 mm5.63 mm1.05 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1568010215
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.7%

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 5
Current: $1,790 CAD|Low: $1,466 CAD|High: $1,824 CAD|Avg: $1,640 CAD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 3$1,466 CAD
Retailer 2$1,543 CAD
Retailer 5$1,594 CAD
Retailer 4$1,724 CAD
GemTrove$1,790 CAD

41 data points across 5 retailers

5 retailers$1,466 CAD to $1,790 CAD

A
Cheapest Retailer
-
$1,466 CAD
A
Retailer 2
-
$1,543 CAD
View
A
Retailer 3
-
$1,594 CAD
View
A
Retailer 4
-
$1,724 CAD
View
Most Expensive
B+
GemTrove
GT-N-01245895-98 · Nov 6
$1,790 CAD
A$1,958 AUD
View
4 more retailers have this diamond
Prices start from $1,466 CADSave up to $325 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
$1,466 CAD