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Cushion|Natural|GIA

1.51ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6541862635

Certificate GIA 6541862635

Diamond specifications and retailer prices

From $4,881 CAD
HK$27,300 HKD
As of October 30, 2026
Save $5,433 CAD (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,314 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 I 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 6541862635. Listed at 21 retailers as of October 29, 2026, with prices from $4,881 to $10,314, a $5,433 spread on the same certified stone. MOH London lists it at $10,314. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle36.9°
OriginNatural
Grading LabGIA
CertificateGIA 6541862635
Dimensions7.56 × 6.03 × 4.16 mm
L/W Ratio1.25
Top View
7.56 mm6.03 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6541862635
Side View
Table 64.0%CrownGirdle: STK-THKPavilion 36.9°Culet: NoneDepth 68.9%

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 30
Current: $10,314 CAD|Low: $4,881 CAD|High: $10,675 CAD|Avg: $6,504 CAD|-3.4%
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
November 1, 2026
Retailer 6$4,881 CAD
Retailer 15$5,336 CAD
Retailer 12$5,409 CAD
Retailer 5$5,525 CAD
Retailer 9$5,526 CAD
Retailer 14$5,694 CAD
Retailer 17$5,927 CAD
Retailer 10$5,979 CAD
Retailer 2$6,090 CAD
Retailer 3$6,131 CAD
Retailer 4$6,177 CAD
Retailer 13$6,313 CAD
Retailer 7$6,419 CAD
Retailer 19$6,466 CAD
Retailer 11$6,766 CAD
Retailer 18$7,291 CAD
Retailer 16$7,918 CAD
Retailer 8$10,265 CAD
MOH London$10,314 CAD

21 data points across 19 retailers

21 retailers$4,881 CAD to $10,314 CAD

A
Cheapest Retailer
-
$4,881 CAD
HK$27,300 HKD
A
Retailer 2
-
$5,336 CAD
$3,820 USD
View
A
Retailer 3
-
$5,409 CAD
€3,688 EUR
View
A
Retailer 4
-
$5,525 CAD
$3,956 USD
View
A
Retailer 5
-
$5,526 CAD
$3,956 USD
View
A
Retailer 6
-
$5,694 CAD
$4,076 USD
View
Final sale: no returns
A
Retailer 7
-
$5,860 CAD
A$6,454 AUD
View
B+
Retailer 8
-
$5,927 CAD
$4,243 USD
View
A
Retailer 9
-
$5,979 CAD
$4,280 USD
View
B+
Retailer 10
-
$6,090 CAD
$4,360 USD
View
A
Retailer 11
-
$6,131 CAD
£3,456 GBP
View
A
Retailer 12
-
$6,177 CAD
$4,422 USD
View
A
Retailer 13
-
$6,313 CAD
£3,558 GBP
View
Retailer 14
-
$6,419 CAD
$4,595 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
-
$6,466 CAD
$4,629 USD
View
B+
Retailer 16
-
$6,745 CAD
A$7,428 AUD
View
Retailer 17
-
$6,766 CAD
A$7,451 AUD
View
Price last confirmed 23 days ago
B+
Retailer 18
-
$7,291 CAD
€4,971 EUR
View
B+
Retailer 19
-
$7,918 CAD
ZAR 91,576 ZAR
View
Retailer 20
-
$10,265 CAD
$7,348 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
5DA82F07B · Oct 29
$10,314 CAD
£5,814 GBP
View
20 more retailers have this diamond
Prices start from $4,881 CADSave up to $5,433 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
$4,881 CAD