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Cushion|Natural|GIA

1.51ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 2566219710

Certificate GIA 2566219710

Diamond specifications and retailer prices

From $2,593 CAD
HK$14,500 HKD
As of October 31, 2026
Save $3,718 CAD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,310 CAD at MOH London · As of October 26, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566219710. Listed at 6 retailers as of October 26, 2026, with prices from $2,593 to $6,310, a $3,718 spread on the same certified stone. MOH London lists it at $6,310. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566219710
Dimensions6.59 × 6.53 × 4.34 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.59 mm6.53 mm1.51 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566219710
Side View
Table 64.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 66.5%

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 31
Current: $6,310 CAD|Low: $2,593 CAD|High: $6,644 CAD|Avg: $4,003 CAD|-5.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 2$2,593 CAD
Retailer 5$3,066 CAD
Retailer 4$3,397 CAD
Retailer 6$3,683 CAD
Retailer 7$4,573 CAD
Retailer 3$4,934 CAD
MOH London$6,310 CAD

16 data points across 7 retailers

6 retailers$2,593 CAD to $6,310 CAD

A
Cheapest Retailer
-
$2,593 CAD
HK$14,500 HKD
A
Retailer 2
-
$3,066 CAD
$2,195 USD
View
A
Retailer 3
-
$3,397 CAD
£1,915 GBP
View
A
Retailer 4
-
$3,683 CAD
SGD 3,563 SGD
View
B+
Retailer 5
-
$4,934 CAD
$3,532 USD
View
Most Expensive
B+
MOH London
4E81B08B7 · Oct 26
$6,310 CAD
£3,557 GBP
View
5 more retailers have this diamond
Prices start from $2,593 CADSave up to $3,718 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
$2,593 CAD