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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2556417868

Certificate GIA 2556417868

Diamond specifications and retailer prices

From $4,525 CAD
HK$25,300 HKD
As of November 2, 2026
Save $5,081 CAD (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,606 CAD at MOH London · As of November 2, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556417868. Listed at 13 retailers as of November 2, 2026, with prices from $4,525 to $9,606, a $5,081 spread on the same certified stone. MOH London lists it at $9,606. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556417868
Dimensions6.56 × 6.51 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.56 mm6.51 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556417868
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.7%

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 2
Current: $9,606 CAD|Low: $4,454 CAD|High: $10,126 CAD|Avg: $6,062 CAD|-3.5%
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 2, 2026
Retailer 5$4,525 CAD
Retailer 12$4,546 CAD
Retailer 11$4,781 CAD
Retailer 3$4,851 CAD
Retailer 9$5,042 CAD
Retailer 2$5,419 CAD
Retailer 8$5,423 CAD
Retailer 6$5,683 CAD
Retailer 10$5,758 CAD
Retailer 7$6,824 CAD
Retailer 4$9,400 CAD
MOH London$9,606 CAD

30 data points across 12 retailers

13 retailers$4,525 CAD to $9,606 CAD

A
Cheapest Retailer
-
$4,525 CAD
HK$25,300 HKD
A
Retailer 2
-
$4,546 CAD
$3,253 USD
View
A
Retailer 3
-
$4,781 CAD
$3,421 USD
View
A
Retailer 4
-
$4,851 CAD
$3,472 USD
View
A
Retailer 5
-
$5,042 CAD
$3,608 USD
View
Final sale: no returns
A
Retailer 6
-
$5,419 CAD
A$5,966 AUD
View
A
Retailer 7
-
$5,423 CAD
$3,881 USD
View
A
Retailer 8
-
$5,683 CAD
£3,202 GBP
View
A
Retailer 9
-
$5,758 CAD
£3,244 GBP
View
A
Retailer 10
-
$6,129 CAD
A$6,748 AUD
View
A
Retailer 11
-
$6,824 CAD
€4,651 EUR
View
Retailer 12
-
$9,400 CAD
$6,727 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
81F518F49 · Nov 2
$9,606 CAD
£5,413 GBP
View
12 more retailers have this diamond
Prices start from $4,525 CADSave up to $5,081 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
$4,525 CAD