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Cushion|Natural|GIA

0.51ct E SI1 Cushion Natural Diamond

VG • E/SI1 • GIA 6522102034

Certificate GIA 6522102034

Diamond specifications and retailer prices

From £323 GBP
As of November 6, 2026
Save £486 GBP (60%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £808 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.51ct natural cushion diamond

This 0.51ct natural cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6522102034. Listed at 13 retailers as of November 2, 2026, with prices from £323 to £808, a £486 spread on the same certified stone. MOH London lists it at £808. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
E
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6522102034
Dimensions5.03 × 4.14 × 2.87 mm
L/W Ratio1.21
Top View
5.03 mm4.14 mm0.51 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6522102034
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.3%

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 6
Current: £808 GBP|Low: £323 GBP|High: £818 GBP|Avg: £490 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8£323 GBP
Retailer 7£362 GBP
Retailer 10£377 GBP
Retailer 2£427 GBP
Retailer 4£432 GBP
Retailer 6£439 GBP
Retailer 3£524 GBP
Retailer 5£542 GBP
Retailer 9£560 GBP
MOH London£808 GBP

35 data points across 10 retailers

13 retailers£323 GBP to £808 GBP

A
Cheapest Retailer
-
£323 GBP
Final sale: no returns
Retailer 2
-
£362 GBP
View
Price last confirmed 16 days ago
Retailer 3
-
£377 GBP
View
Price last confirmed 8 days ago
A
Retailer 4
-
£404 GBP
View
A
Retailer 5
-
£427 GBP
View
B+
Retailer 6
-
£432 GBP
View
B+
Retailer 7
-
£439 GBP
View
B+
Retailer 8
-
£448 GBP
View
B+
Retailer 9
-
£504 GBP
View
B+
Retailer 10
-
£524 GBP
View
B+
Retailer 11
-
£542 GBP
View
Retailer 12
-
£560 GBP
View
Price last confirmed 34 days ago
Most Expensive
B
MOH London
9D48DEA62 · Nov 2
£808 GBP
View
12 more retailers have this diamond
Prices start from £323 GBPSave up to £486 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
0.51ct Cushion
£323 GBP