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Cushion|Natural|GIA

1.21ct D SI1 Cushion Natural Diamond

D/SI1 • GIA 1567014123

Certificate GIA 1567014123

Diamond specifications and retailer prices

From $4,393 CAD
As of November 6, 2026
Save $1,793 CAD (29%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,186 CAD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by GIA 1567014123. Listed at 7 retailers as of October 31, 2026, with prices from $4,393 to $6,186, a $1,793 spread on the same certified stone. Blue Nile lists it at $6,186. 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

1.21
Carat
D
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1567014123
Dimensions7.47 × 5.67 × 3.68 mm
L/W Ratio1.32
Top View
7.47 mm5.67 mm1.21 ctD / SI1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1567014123
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,186 CAD|Low: $4,375 CAD|High: $6,245 CAD|Avg: $5,146 CAD|-0.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$4,393 CAD
Retailer 2$4,396 CAD
Retailer 3$4,411 CAD
Retailer 5$5,372 CAD
Retailer 4$5,556 CAD
Retailer 7$5,877 CAD
Blue Nile$6,186 CAD

44 data points across 7 retailers

7 retailers$4,393 CAD to $6,186 CAD

B+
Cheapest Retailer
-
$4,393 CAD
Final sale: no returns
B+
Retailer 2
-
$4,396 CAD
View
B+
Retailer 3
-
$4,411 CAD
View
B+
Retailer 4
-
$5,372 CAD
View
Retailer 5
-
$5,556 CAD
View
Price last confirmed 10 days ago
B
Retailer 6
-
$5,877 CAD
View
Most Expensive
B
Blue Nile
30380913 · Oct 31
$6,186 CAD
$4,398 USD
View
6 more retailers have this diamond
Prices start from $4,393 CADSave up to $1,793 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+
1.21ct Cushion
$4,393 CAD