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Cushion|Natural|GIA

1.51ct F SI1 Cushion Natural Diamond

ID • F/SI1 • GIA 2235655108

Certificate GIA 2235655108

Diamond specifications and retailer prices

From $5,780 CAD
$4,138 USD
As of November 1, 2026
Save $5,145 CAD (47%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,925 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two 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 2235655108. Listed at 13 retailers as of November 1, 2026, with prices from $5,780 to $10,925, a $5,145 spread on the same certified stone. MOH London lists it at $10,925. 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

1.51
Carat
F
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.75°
Pavilion angle32.53°
OriginNatural
Grading LabGIA
CertificateGIA 2235655108
Dimensions6.49 × 6.46 × 4.25 mm
L/W Ratio1.00
Girdle conditionThick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.49 mm6.46 mm1.51 ctF / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235655108
Side View
Table 62.0%Crown 36.75°Girdle: STK-THKPavilion 32.53°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $10,925 CAD|Low: $5,780 CAD|High: $11,789 CAD|Avg: $7,459 CAD|-7.2%
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 1, 2026
Retailer 3$5,780 CAD
Retailer 12$5,923 CAD
Retailer 7$5,924 CAD
Retailer 9$6,378 CAD
Retailer 4$6,606 CAD
Retailer 13$6,635 CAD
Retailer 2$6,887 CAD
Retailer 8$7,054 CAD
Retailer 11$7,054 CAD
Retailer 10$7,292 CAD
Retailer 6$7,763 CAD
Retailer 5$10,023 CAD
MOH London$10,925 CAD

36 data points across 13 retailers

13 retailers$5,780 CAD to $10,925 CAD

A
Cheapest Retailer
-
$5,780 CAD
$4,138 USD
A
Retailer 2
-
$5,923 CAD
$4,240 USD
View
A
Retailer 3
-
$5,924 CAD
View
A
Retailer 4
-
$6,378 CAD
$4,566 USD
View
A
Retailer 5
-
$6,606 CAD
$4,729 USD
View
A
Retailer 6
-
$6,635 CAD
$4,750 USD
View
A
Retailer 7
-
$6,887 CAD
£3,882 GBP
View
A
Retailer 8
-
$7,054 CAD
$5,050 USD
View
A
Retailer 9
-
$7,054 CAD
$5,050 USD
View
A
Retailer 10
-
$7,292 CAD
$5,220 USD
View
A
Retailer 11
-
$7,763 CAD
€5,293 EUR
View
B+
Retailer 12
-
$10,023 CAD
$7,176 USD
View
Most Expensive
B+
MOH London
722B21398 · Nov 1
$10,925 CAD
£6,158 GBP
View
12 more retailers have this diamond
Prices start from $5,780 CADSave up to $5,145 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
1.51ct Cushion
$5,780 CAD