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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 HK$616,076 HKD
$78,524 USD
As of October 30, 2026
Save HK$350,934 HKD (36%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$967,010 HKD 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 29, 2026, with prices from HK$616,076 to HK$967,010, a HK$350,934 spread on the same certified stone. MOH London lists it at HK$967,010. 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 30
Current: HK$967,010 HKD|Low: HK$616,076 HKD|High: HK$973,447 HKD|Avg: HK$744,834 HKD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4HK$616,076 HKD
Retailer 3HK$622,104 HKD
Retailer 5HK$679,814 HKD
Retailer 2HK$747,292 HKD
Retailer 6HK$757,582 HKD
MOH LondonHK$967,010 HKD

42 data points across 6 retailers

6 retailersHK$616,076 HKD to HK$967,010 HKD

A
Cheapest Retailer
-
HK$616,076 HKD
$78,524 USD
A
Retailer 2
-
HK$622,104 HKD
£62,435 GBP
View
A
Retailer 3
-
HK$679,814 HKD
$86,648 USD
View
A
Retailer 4
-
HK$747,292 HKD
€90,713 EUR
View
A
Retailer 5
-
HK$757,582 HKD
$96,560 USD
View
Most Expensive
B+
MOH London
7587F1C2F · Oct 29
HK$967,010 HKD
£97,050 GBP
View
5 more retailers have this diamond
Prices start from HK$616,076 HKDSave up to HK$350,934 HKD

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
HK$616,076 HKD