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Cushion|Natural|GIA

1.05ct K SI2 Cushion Natural Diamond

GD • K/SI2 • GIA 2257755434

Certificate GIA 2257755434

Diamond specifications and retailer prices

From $2,771 CAD
As of November 4, 2026
Save $1,289 CAD (32%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,060 CAD at Yorxs · As of November 6, 2026
View at Yorxs

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 SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2257755434. Listed at 7 retailers as of November 4, 2026, with prices from $2,771 to $4,060, a $1,289 spread on the same certified stone. Yorxs lists it at $4,060. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.05
Carat
K
Color
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2257755434
Dimensions6.21 × 5.65 × 3.81 mm
L/W Ratio1.10
Top View
6.21 mm5.65 mm1.05 ctK / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2257755434
Side View
Table 62.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 67.5%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,771 CAD|Low: $2,681 CAD|High: $4,070 CAD|Avg: $3,175 CAD|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
November 6, 2026
Retailer 1$2,771 CAD
Retailer 3$2,795 CAD
Retailer 6$2,833 CAD
Retailer 4$2,968 CAD
Retailer 5$3,412 CAD
Retailer 2$3,445 CAD
Yorxs$4,060 CAD

25 data points across 7 retailers

7 retailers$2,771 CAD to $4,060 CAD

B
Cheapest Retailer
-
$2,771 CAD
B
Retailer 2
-
$2,795 CAD
View
B
Retailer 3
-
$2,833 CAD
View
B
Retailer 4
-
$2,968 CAD
View
B
Retailer 5
-
$3,412 CAD
View
B
Retailer 6
-
$3,445 CAD
View
Most Expensive
C
Yorxs
230053337 · Nov 6
$4,060 CAD
€2,749 EUR
View
6 more retailers have this diamond
Prices start from $2,771 CADSave up to $1,289 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
$2,771 CAD