CaratHunter
Plans
Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 2557303410

Certificate GIA 2557303410

Diamond specifications and retailer prices

From $2,914 CAD
HK$16,300 HKD
As of November 1, 2026
Save $3,735 CAD (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,649 CAD at MOH London · As of November 1, 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 2557303410. Listed at 15 retailers as of November 1, 2026, with prices from $2,914 to $6,649, a $3,735 spread on the same certified stone. MOH London lists it at $6,649. 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
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557303410
Dimensions7.53 × 6.01 × 4.14 mm
L/W Ratio1.25
Girdle conditionFaceted
Top View
7.53 mm6.01 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557303410
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

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: Nov 1
Current: $6,649 CAD|Low: $2,914 CAD|High: $6,997 CAD|Avg: $4,209 CAD|-4.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 7$2,914 CAD
Retailer 11$3,174 CAD
Retailer 3$3,285 CAD
Retailer 14$3,374 CAD
Retailer 2$3,424 CAD
Retailer 5$3,607 CAD
Retailer 8$3,614 CAD
Retailer 9$3,753 CAD
Retailer 6$3,814 CAD
Retailer 13$4,015 CAD
Retailer 10$4,057 CAD
Retailer 12$4,650 CAD
Retailer 4$6,381 CAD
MOH London$6,649 CAD

25 data points across 14 retailers

15 retailers$2,914 CAD to $6,649 CAD

A
Cheapest Retailer
-
$2,914 CAD
HK$16,300 HKD
A
Retailer 2
-
$3,174 CAD
$2,272 USD
View
Final sale: no returns
A
Retailer 3
-
$3,285 CAD
$2,351 USD
View
A
Retailer 4
-
$3,374 CAD
$2,415 USD
View
A
Retailer 5
-
$3,424 CAD
$2,451 USD
View
A
Retailer 6
-
$3,607 CAD
$2,582 USD
View
A
Retailer 7
-
$3,614 CAD
$2,587 USD
View
A
Retailer 8
-
$3,753 CAD
£2,115 GBP
View
A
Retailer 9
-
$3,814 CAD
$2,730 USD
View
A
Retailer 10
-
$4,015 CAD
$2,874 USD
View
A
Retailer 11
-
$4,057 CAD
£2,287 GBP
View
B+
Retailer 12
-
$4,484 CAD
A$4,938 AUD
View
B+
Retailer 13
-
$4,650 CAD
€3,170 EUR
View
Retailer 14
-
$6,381 CAD
$4,568 USD
View
Price last confirmed 8 days ago
Most Expensive
B+
MOH London
847DD2A5B · Nov 1
$6,649 CAD
£3,748 GBP
View
14 more retailers have this diamond
Prices start from $2,914 CADSave up to $3,735 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
$2,914 CAD