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Cushion|Natural|GIA

1.21ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6542540034

Certificate GIA 6542540034

Diamond specifications and retailer prices

From $4,040 CAD
As of November 6, 2026
Save $4,288 CAD (51%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,328 CAD at MOH London · As of November 2, 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 I 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 6542540034. Listed at 19 retailers as of November 2, 2026, with prices from $4,040 to $8,328, a $4,288 spread on the same certified stone. MOH London lists it at $8,328. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542540034
Dimensions7.29 × 5.37 × 3.69 mm
L/W Ratio1.36
Cert comments
Additional pinpoints are not shown.
Key to symbols
Crystal, Feather, Pinpoint
Top View
7.29 mm5.37 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542540034
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.7%

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: $8,328 CAD|Low: $3,816 CAD|High: $8,428 CAD|Avg: $5,211 CAD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12$4,040 CAD
Retailer 10$4,162 CAD
Retailer 11$4,223 CAD
Retailer 3$4,237 CAD
Retailer 9$4,511 CAD
Retailer 2$4,830 CAD
Retailer 8$5,116 CAD
Retailer 6$5,121 CAD
Retailer 4$5,332 CAD
Retailer 5$5,797 CAD
Retailer 7$6,077 CAD
MOH London$8,328 CAD

38 data points across 12 retailers

19 retailers$4,040 CAD to $8,328 CAD

Retailer 1
-
$3,950 CAD
Price last confirmed 31 days ago
B+
Retailer 2
-
$4,040 CAD
View
B+
Retailer 3
-
$4,162 CAD
View
Final sale: no returns
B+
Retailer 4
-
$4,223 CAD
View
B+
Retailer 5
-
$4,237 CAD
View
Retailer 6
-
$4,511 CAD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$4,830 CAD
View
B
Retailer 8
-
$4,850 CAD
View
B
Retailer 9
-
$5,116 CAD
View
Retailer 10
-
$5,116 CAD
View
Price last confirmed 19 days ago
B
Retailer 11
-
$5,120 CAD
View
B
Retailer 12
-
$5,120 CAD
View
B
Retailer 13
-
$5,121 CAD
View
B
Retailer 14
-
$5,289 CAD
View
Retailer 15
-
$5,332 CAD
View
Price last confirmed 30 days ago
Retailer 16
-
$5,642 CAD
View
Price last confirmed 15 days ago
B
Retailer 17
-
$5,797 CAD
View
B
Retailer 18
-
$6,077 CAD
View
Most Expensive
B
MOH London
AB3735B3F · Nov 2
$8,328 CAD
£4,662 GBP
View
18 more retailers have this diamond
Prices start from $4,040 CADSave up to $4,288 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
$4,040 CAD