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Cushion|Natural|GIA

1.20ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 2231900018

Certificate GIA 2231900018

Diamond specifications and retailer prices

From $4,594 CAD
As of November 6, 2026
Save $5,201 CAD (53%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,795 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231900018. Listed at 19 retailers as of November 1, 2026, with prices from $4,594 to $9,795, a $5,201 spread on the same certified stone. MOH London lists it at $9,795. 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

1.20
Carat
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Pavilion angle37.38°
OriginNatural
Grading LabGIA
CertificateGIA 2231900018
Dimensions7.09 × 5.47 × 3.78 mm
L/W Ratio1.30
Key to symbols
Crystal, Feather, Needle
Top View
7.09 mm5.47 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231900018
Side View
Table 67.0%CrownGirdle: THK-ETKPavilion 37.38°Culet: NoneDepth 69.2%

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: $9,795 CAD|Low: $4,448 CAD|High: $9,913 CAD|Avg: $6,489 CAD|-0.1%
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
November 7, 2026
Retailer 5$4,594 CAD
Retailer 3$5,143 CAD
Retailer 8$5,572 CAD
Retailer 9$6,016 CAD
Retailer 11$6,040 CAD
Retailer 2$6,245 CAD
Retailer 10$6,414 CAD
Retailer 12$6,414 CAD
Retailer 4$6,559 CAD
Retailer 13$6,625 CAD
Retailer 6$6,920 CAD
Retailer 7$7,503 CAD
MOH London$9,795 CAD

46 data points across 13 retailers

19 retailers$4,594 CAD to $9,795 CAD

B+
Cheapest Retailer
-
$4,594 CAD
B+
Retailer 2
-
$4,729 CAD
View
B+
Retailer 3
-
$4,902 CAD
View
B+
Retailer 4
-
$5,054 CAD
View
B+
Retailer 5
-
$5,100 CAD
View
B+
Retailer 6
-
$5,143 CAD
View
Final sale: no returns
B+
Retailer 7
-
$5,317 CAD
View
Retailer 8
-
$5,572 CAD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$6,016 CAD
View
B
Retailer 10
-
$6,040 CAD
View
B
Retailer 11
-
$6,245 CAD
View
B
Retailer 12
-
$6,414 CAD
View
B
Retailer 13
-
$6,414 CAD
View
Retailer 14
-
$6,559 CAD
View
Price last confirmed 29 days ago
B
Retailer 15
-
$6,625 CAD
View
B
Retailer 16
-
$6,920 CAD
View
Retailer 17
-
$6,956 CAD
View
Price last confirmed 15 days ago
B
Retailer 18
-
$7,503 CAD
View
Most Expensive
B
MOH London
F854FC011 · Nov 1
$9,795 CAD
£5,483 GBP
View
18 more retailers have this diamond
Prices start from $4,594 CADSave up to $5,201 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+
1.20ct Cushion
$4,594 CAD