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Cushion|Natural|GIA

1.51ct G SI2 Cushion Natural Diamond

EX • G/SI2 • GIA 5242013419

Certificate GIA 5242013419

Diamond specifications and retailer prices

From £1,903 GBP
As of November 6, 2026
Save £2,396 GBP (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £4,299 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 G 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 5242013419. Listed at 13 retailers as of November 4, 2026, with prices from £1,903 to £4,299, a £2,396 spread on the same certified stone. MOH London lists it at £4,299. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 5242013419
Dimensions7.56 × 6.03 × 4.14 mm
L/W Ratio1.25
Girdle conditionFaceted
Top View
7.56 mm6.03 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 5242013419
Side View
Table 69.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.6%

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 6
Current: £4,299 GBP|Low: £1,865 GBP|High: £4,514 GBP|Avg: £2,706 GBP|-4.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11£1,903 GBP
Retailer 6£2,069 GBP
Retailer 7£2,083 GBP
Retailer 3£2,155 GBP
Retailer 9£2,259 GBP
Retailer 12£2,318 GBP
Retailer 10£2,368 GBP
Retailer 5£2,399 GBP
Retailer 4£2,679 GBP
Retailer 2£3,000 GBP
Retailer 8£4,030 GBP
MOH London£4,299 GBP

32 data points across 12 retailers

13 retailers£1,903 GBP to £4,299 GBP

A
Cheapest Retailer
-
£1,903 GBP
A
Retailer 2
-
£2,069 GBP
View
A
Retailer 3
-
£2,083 GBP
View
A
Retailer 4
-
£2,155 GBP
View
Final sale: no returns
A
Retailer 5
-
£2,259 GBP
View
A
Retailer 6
-
£2,318 GBP
View
A
Retailer 7
-
£2,368 GBP
View
A
Retailer 8
-
£2,399 GBP
View
Retailer 9
-
£2,679 GBP
View
Price last confirmed 37 days ago
B+
Retailer 10
-
£2,747 GBP
View
A
Retailer 11
-
£3,000 GBP
View
B+
Retailer 12
-
£4,030 GBP
View
Most Expensive
B+
MOH London
1DFFF99DA · Nov 4
£4,299 GBP
View
12 more retailers have this diamond
Prices start from £1,903 GBPSave up to £2,396 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
£1,903 GBP