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Cushion|Natural|GIA

1.21ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 7191728315

Certificate GIA 7191728315

Diamond specifications and retailer prices

From $3,919 CAD
As of November 4, 2026
Save $4,615 CAD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,534 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 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 7191728315. Listed at 15 retailers as of November 2, 2026, with prices from $3,919 to $8,534, a $4,615 spread on the same certified stone. MOH London lists it at $8,534. 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
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7191728315
Dimensions6.72 × 5.63 × 3.86 mm
L/W Ratio1.19
Top View
6.72 mm5.63 mm1.21 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7191728315
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.6%

Caratlytics Score

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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: $8,534 CAD|Low: $3,978 CAD|High: $8,637 CAD|Avg: $5,430 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$3,978 CAD
Retailer 5$4,023 CAD
Retailer 7$4,623 CAD
Retailer 6$4,964 CAD
Retailer 3$5,249 CAD
Retailer 2$5,605 CAD
Retailer 4$6,228 CAD
MOH London$8,534 CAD

44 data points across 8 retailers

15 retailers$3,919 CAD to $8,534 CAD

B
Cheapest Retailer
-
$3,919 CAD
B
Retailer 2
-
$3,978 CAD
View
B
Retailer 3
-
$4,023 CAD
View
B
Retailer 4
-
$4,088 CAD
View
B
Retailer 5
-
$4,103 CAD
View
B
Retailer 6
-
$4,382 CAD
View
B
Retailer 7
-
$4,473 CAD
View
Retailer 8
-
$4,623 CAD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$4,964 CAD
View
B
Retailer 10
-
$5,024 CAD
View
B
Retailer 11
-
$5,249 CAD
View
B
Retailer 12
-
$5,605 CAD
View
Retailer 13
-
$5,780 CAD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$6,228 CAD
View
Most Expensive
B
MOH London
7F28ECEFC · Nov 2
$8,534 CAD
£4,777 GBP
View
14 more retailers have this diamond
Prices start from $3,919 CADSave up to $4,615 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
$3,919 CAD