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Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 5232970993

Certificate GIA 5232970993

Diamond specifications and retailer prices

From £1,578 GBP
As of November 6, 2026
Save £1,998 GBP (56%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £3,576 GBP at MOH London · As of November 4, 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 5232970993. Listed at 7 retailers as of November 4, 2026, with prices from £1,578 to £3,576, a £1,998 spread on the same certified stone. MOH London lists it at £3,576. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle36.11°
OriginNatural
Grading LabGIA
CertificateGIA 5232970993
Dimensions7.45 × 5.88 × 4.11 mm
L/W Ratio1.27
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
7.45 mm5.88 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5232970993
Side View
Table 65.0%CrownGirdle: THK-VTKPavilion 36.11°Culet: NoneDepth 69.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,576 GBP|Low: £1,578 GBP|High: £4,014 GBP|Avg: £2,465 GBP|-10.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4£1,578 GBP
Retailer 7£1,883 GBP
Retailer 5£2,009 GBP
Retailer 3£2,199 GBP
Retailer 8£2,368 GBP
Retailer 2£2,575 GBP
Retailer 6£3,420 GBP
MOH London£3,576 GBP

28 data points across 8 retailers

7 retailers£1,578 GBP to £3,576 GBP

A
Cheapest Retailer
-
£1,578 GBP
A
Retailer 2
-
£2,009 GBP
View
A
Retailer 3
-
£2,199 GBP
View
B+
Retailer 4
-
£2,368 GBP
View
B+
Retailer 5
-
£2,575 GBP
View
Retailer 6
-
£3,420 GBP
View
Price last confirmed 17 days ago
Most Expensive
B+
MOH London
BE848E857 · Nov 4
£3,576 GBP
View
6 more retailers have this diamond
Prices start from £1,578 GBPSave up to £1,998 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
£1,578 GBP