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Cushion|Natural|HRD

5.50ct E SI1 Cushion Natural Diamond

ID • E/SI1 • HRD 250000015783

Certificate HRD 250000015783

Diamond specifications and retailer prices

From £58,966 GBP
$78,524 USD
As of October 28, 2026
Save £33,589 GBP (36%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £92,555 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 5.5ct natural cushion diamond

This 5.5ct natural cushion sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 250000015783. Listed at 6 retailers as of October 28, 2026, with prices from £58,966 to £92,555, a £33,589 spread on the same certified stone. MOH London lists it at £92,555. 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

5.50
Carat
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 250000015783
Dimensions10.12 × 9.78 × 6.63 mm
L/W Ratio1.03
Key to symbols
Crystal, Feather, Needle, Natural
Top View
10.12 mm9.78 mm5.50 ctE / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000015783
Side View
Table 62.0%CrownGirdle: MED-EXTPavilionCuletDepth 67.8%

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: Oct 28
Current: £92,555 GBP|Low: £58,966 GBP|High: £93,171 GBP|Avg: £71,305 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 4£58,966 GBP
Retailer 2£59,362 GBP
Retailer 5£65,067 GBP
Retailer 3£71,412 GBP
Retailer 6£72,510 GBP
MOH London£92,555 GBP

41 data points across 6 retailers

6 retailers£58,966 GBP to £92,555 GBP

A
Cheapest Retailer
-
£58,966 GBP
$78,524 USD
A
Retailer 2
-
£59,362 GBP
View
A
Retailer 3
-
£65,067 GBP
$86,648 USD
View
A
Retailer 4
-
£71,412 GBP
€90,569 EUR
View
A
Retailer 5
-
£72,510 GBP
$96,560 USD
View
Most Expensive
B+
MOH London
7587F1C2F · Oct 29
£92,555 GBP
View
5 more retailers have this diamond
Prices start from £58,966 GBPSave up to £33,589 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
5.50ct Cushion
£58,966 GBP