CaratHunter
Plans
Cushion|Natural|GIA

1.51ct I IF Cushion Natural Diamond

EX • I/IF • GIA 6542861851

Certificate GIA 6542861851

Diamond specifications and retailer prices

From £3,012 GBP
As of November 6, 2026
Save £3,508 GBP (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £6,520 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542861851. Listed at 8 retailers as of November 4, 2026, with prices from £3,012 to £6,520, a £3,508 spread on the same certified stone. MOH London lists it at £6,520. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542861851
Dimensions7.64 × 5.88 × 4.10 mm
L/W Ratio1.30
Top View
7.64 mm5.88 mm1.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542861851
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NDepth 69.7%

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: £6,520 GBP|Low: £2,935 GBP|High: £6,836 GBP|Avg: £4,115 GBP|-4.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5£3,012 GBP
Retailer 2£3,275 GBP
Retailer 4£3,521 GBP
Retailer 6£3,612 GBP
Retailer 7£3,897 GBP
Retailer 8£4,103 GBP
Retailer 3£4,686 GBP
MOH London£6,520 GBP

42 data points across 8 retailers

8 retailers£3,012 GBP to £6,520 GBP

A
Cheapest Retailer
-
£3,012 GBP
A
Retailer 2
-
£3,275 GBP
View
A
Retailer 3
-
£3,521 GBP
View
A
Retailer 4
-
£3,612 GBP
View
Retailer 5
-
£3,897 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£4,103 GBP
View
Final sale: no returns
B+
Retailer 7
-
£4,686 GBP
View
Most Expensive
B
MOH London
A46A6F5FD · Nov 4
£6,520 GBP
View
7 more retailers have this diamond
Prices start from £3,012 GBPSave up to £3,508 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
£3,012 GBP