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Cushion|Natural|GIA

1.51ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 2556337276

Certificate GIA 2556337276

Diamond specifications and retailer prices

From $5,638 CAD
$4,036 USD
As of October 31, 2026
Save $6,605 CAD (54%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $12,243 CAD at MOH London · As of October 29, 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 G 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 2556337276. Listed at 21 retailers as of October 29, 2026, with prices from $5,638 to $12,243, a $6,605 spread on the same certified stone. MOH London lists it at $12,243. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556337276
Dimensions6.70 × 6.64 × 4.37 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.70 mm6.64 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556337276
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.7%

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: Oct 31
Current: $12,243 CAD|Low: $5,632 CAD|High: $12,411 CAD|Avg: $7,802 CAD|-1.1%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 20$5,638 CAD
Retailer 13$5,650 CAD
Retailer 2$6,039 CAD
Retailer 10$6,339 CAD
Retailer 19$6,346 CAD
Retailer 7$6,396 CAD
Retailer 17$6,433 CAD
Retailer 11$6,517 CAD
Retailer 15$6,726 CAD
Retailer 6$6,758 CAD
Retailer 18$7,081 CAD
Retailer 16$7,152 CAD
Retailer 5$7,331 CAD
Retailer 8$7,360 CAD
Retailer 12$7,712 CAD
Retailer 4$8,654 CAD
Retailer 14$9,275 CAD
Retailer 3$9,398 CAD
Retailer 9$11,892 CAD
MOH London$12,243 CAD

22 data points across 20 retailers

21 retailers$5,638 CAD to $12,243 CAD

A
Cheapest Retailer
-
$5,638 CAD
$4,036 USD
A
Retailer 2
-
$5,650 CAD
HK$31,600 HKD
View
A
Retailer 3
-
$6,039 CAD
$4,323 USD
View
A
Retailer 4
-
$6,339 CAD
$4,538 USD
View
A
Retailer 5
-
$6,346 CAD
$4,543 USD
View
Final sale: no returns
A
Retailer 6
-
$6,396 CAD
$4,579 USD
View
A
Retailer 7
-
$6,433 CAD
€4,386 EUR
View
A
Retailer 8
-
$6,517 CAD
$4,665 USD
View
A
Retailer 9
-
$6,726 CAD
$4,815 USD
View
A
Retailer 10
-
$6,758 CAD
$4,838 USD
View
A
Retailer 11
-
$7,081 CAD
£3,992 GBP
View
A
Retailer 12
-
$7,152 CAD
£4,032 GBP
View
A
Retailer 13
-
$7,331 CAD
$5,248 USD
View
A
Retailer 14
-
$7,360 CAD
$5,269 USD
View
B+
Retailer 15
-
$7,625 CAD
A$8,398 AUD
View
Retailer 16
-
$7,712 CAD
A$8,493 AUD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
$8,654 CAD
€5,900 EUR
View
B+
Retailer 18
-
$9,275 CAD
$6,640 USD
View
B+
Retailer 19
-
$9,398 CAD
ZAR 108,691 ZAR
View
Retailer 20
-
$11,892 CAD
$8,513 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
AD4A47712 · Oct 29
$12,243 CAD
£6,901 GBP
View
20 more retailers have this diamond
Prices start from $5,638 CADSave up to $6,605 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
$5,638 CAD