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Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 2231947275

Certificate GIA 2231947275

Diamond specifications and retailer prices

From $2,658 CAD
$1,903 USD
As of October 30, 2026
Save $3,070 CAD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,728 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231947275. Listed at 15 retailers as of October 29, 2026, with prices from $2,658 to $5,728, a $3,070 spread on the same certified stone. MOH London lists it at $5,728. 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
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle36.21°
OriginNatural
Grading LabGIA
CertificateGIA 2231947275
Dimensions6.71 × 6.24 × 4.27 mm
L/W Ratio1.08
Key to symbols
Crystal, Feather, Needle
Top View
6.71 mm6.24 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2231947275
Side View
Table 59.0%CrownGirdle: STK-VTKPavilion 36.21°Culet: NoneDepth 68.5%

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: $5,728 CAD|Low: $1,788 CAD|High: $5,728 CAD|Avg: $3,033 CAD|+32.0%
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
October 31, 2026
Retailer 7$1,788 CAD
Retailer 8$2,501 CAD
Retailer 18$2,658 CAD
Retailer 17$2,662 CAD
Retailer 15$2,686 CAD
Retailer 13$2,717 CAD
Retailer 2$2,718 CAD
Retailer 4$2,749 CAD
Retailer 16$2,774 CAD
Retailer 11$2,843 CAD
Retailer 3$2,920 CAD
Retailer 5$2,920 CAD
Retailer 14$2,946 CAD
Retailer 6$3,017 CAD
Retailer 9$3,436 CAD
Retailer 12$3,570 CAD
Retailer 10$4,411 CAD
MOH London$5,728 CAD

17 data points across 18 retailers

15 retailers$2,658 CAD to $5,728 CAD

Retailer 1
-
$1,788 CAD
HK$10,000 HKD
Price last confirmed 33 days ago
A
Retailer 2
-
$2,658 CAD
$1,903 USD
View
B+
Retailer 3
-
$2,662 CAD
$1,906 USD
View
B+
Retailer 4
-
$2,686 CAD
$1,923 USD
View
B+
Retailer 5
-
$2,717 CAD
$1,945 USD
View
A
Retailer 6
-
$2,718 CAD
$1,946 USD
View
Final sale: no returns
Retailer 7
-
$2,749 CAD
$1,968 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$2,774 CAD
$1,986 USD
View
A
Retailer 9
-
$2,843 CAD
$2,035 USD
View
Retailer 10
-
$2,920 CAD
$2,090 USD
View
Price last confirmed 9 days ago
Retailer 11
-
$2,920 CAD
$2,090 USD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$2,946 CAD
$2,109 USD
View
Retailer 13
-
$3,017 CAD
$2,160 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$3,570 CAD
£2,012 GBP
View
Most Expensive
B
MOH London
73C689494 · Oct 29
$5,728 CAD
£3,229 GBP
View
14 more retailers have this diamond
Prices start from $2,658 CADSave up to $3,070 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
$2,658 CAD