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Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 5566322875

Certificate GIA 5566322875

Diamond specifications and retailer prices

From £1,173 GBP
$1,572 USD
As of November 2, 2026
Save £1,285 GBP (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,458 GBP 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 5566322875. Listed at 12 retailers as of November 1, 2026, with prices from £1,173 to £2,458, a £1,285 spread on the same certified stone. MOH London lists it at £2,458. 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
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566322875
Dimensions7.81 × 5.89 × 4.02 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Indented Natural, Needle
Top View
7.81 mm5.89 mm1.51 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5566322875
Side View
Table 63.0%CrownGirdle: MED-XTKPavilionCulet: NoneDepth 68.3%

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 2
Current: £2,458 GBP|Low: £1,155 GBP|High: £3,009 GBP|Avg: £1,550 GBP|-18.3%
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
November 1, 2026
Retailer 13£1,173 GBP
Retailer 7£1,213 GBP
Retailer 11£1,268 GBP
Retailer 6£1,271 GBP
Retailer 8£1,309 GBP
Retailer 12£1,325 GBP
Retailer 3£1,349 GBP
Retailer 2£1,387 GBP
Retailer 9£1,409 GBP
Retailer 10£1,448 GBP
Retailer 4£1,634 GBP
Retailer 5£1,756 GBP
MOH London£2,458 GBP

32 data points across 13 retailers

12 retailers£1,173 GBP to £2,458 GBP

A
Cheapest Retailer
-
£1,173 GBP
$1,572 USD
Final sale: no returns
A
Retailer 2
-
£1,213 GBP
$1,625 USD
View
A
Retailer 3
-
£1,268 GBP
$1,699 USD
View
A
Retailer 4
-
£1,271 GBP
$1,703 USD
View
A
Retailer 5
-
£1,309 GBP
$1,754 USD
View
A
Retailer 6
-
£1,325 GBP
$1,775 USD
View
A
Retailer 7
-
£1,349 GBP
$1,808 USD
View
A
Retailer 8
-
£1,387 GBP
View
A
Retailer 9
-
£1,409 GBP
$1,888 USD
View
A
Retailer 10
-
£1,448 GBP
$1,940 USD
View
Retailer 11
-
£1,634 GBP
$2,190 USD
View
Price last confirmed 17 days ago
Most Expensive
B+
MOH London
68DC9EAEF · Nov 1
£2,458 GBP
View
11 more retailers have this diamond
Prices start from £1,173 GBPSave up to £1,285 GBP

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
£1,173 GBP