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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 $78,524 USD
As of October 28, 2026
Save $44,730 USD (36%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $123,254 USD 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 $78,524 to $123,254, a $44,730 spread on the same certified stone. MOH London lists it at $123,254. 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
Color
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: $123,254 USD|Low: $78,524 USD|High: $124,074 USD|Avg: $94,955 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 4$78,524 USD
Retailer 2$79,051 USD
Retailer 5$86,648 USD
Retailer 3$95,097 USD
Retailer 6$96,560 USD
MOH London$123,254 USD

41 data points across 6 retailers

6 retailers$78,524 USD to $123,254 USD

A
Cheapest Retailer
-
$78,524 USD
A
Retailer 2
-
$79,051 USD
£62,245 GBP
View
A
Retailer 3
-
$86,648 USD
View
A
Retailer 4
-
$95,097 USD
€90,569 EUR
View
A
Retailer 5
-
$96,560 USD
View
Most Expensive
B+
MOH London
7587F1C2F · Oct 29
$123,254 USD
£97,050 GBP
View
5 more retailers have this diamond
Prices start from $78,524 USDSave up to $44,730 USD

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
$78,524 USD