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Cushion|Natural|GIA

1.21ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6555416527

Certificate GIA 6555416527

Diamond specifications and retailer prices

From $2,556 CAD
As of November 6, 2026
Save $3,359 CAD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,915 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555416527. Listed at 18 retailers as of November 4, 2026, with prices from $2,556 to $5,915, a $3,359 spread on the same certified stone. MOH London lists it at $5,915. 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

1.21
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555416527
Dimensions6.21 × 6.14 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.21 mm6.14 mm1.21 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555416527
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 65.6%

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: $5,915 CAD|Low: $2,521 CAD|High: $6,034 CAD|Avg: $3,476 CAD|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 6$2,556 CAD
Retailer 2$2,585 CAD
Retailer 15$2,805 CAD
Retailer 8$2,829 CAD
Retailer 9$2,990 CAD
Retailer 14$3,017 CAD
Retailer 3$3,087 CAD
Retailer 4$3,165 CAD
Retailer 13$3,206 CAD
Retailer 7$3,214 CAD
Retailer 11$3,266 CAD
Retailer 5$3,477 CAD
Retailer 12$4,131 CAD
Retailer 10$4,202 CAD
Retailer 16$5,223 CAD
MOH London$5,915 CAD

23 data points across 16 retailers

18 retailers$2,556 CAD to $5,915 CAD

A
Cheapest Retailer
-
$2,556 CAD
A
Retailer 2
-
$2,585 CAD
View
A
Retailer 3
-
$2,805 CAD
View
A
Retailer 4
-
$2,829 CAD
View
Final sale: no returns
A
Retailer 5
-
$2,990 CAD
View
A
Retailer 6
-
$3,017 CAD
View
A
Retailer 7
-
$3,087 CAD
View
A
Retailer 8
-
$3,165 CAD
View
A
Retailer 9
-
$3,206 CAD
View
A
Retailer 10
-
$3,214 CAD
View
A
Retailer 11
-
$3,266 CAD
View
B+
Retailer 12
-
$3,477 CAD
View
B+
Retailer 13
-
$3,573 CAD
View
B+
Retailer 14
-
$4,131 CAD
View
B+
Retailer 15
-
$4,202 CAD
View
Retailer 16
-
$4,224 CAD
View
Price last confirmed 31 days ago
B
Retailer 17
-
$5,223 CAD
View
Most Expensive
B
MOH London
948ED028E · Nov 4
$5,915 CAD
£3,311 GBP
View
17 more retailers have this diamond
Prices start from $2,556 CADSave up to $3,359 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
1.21ct Cushion
$2,556 CAD