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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 $139,325 NZD
$78,524 USD
As of October 30, 2026
Save $78,199 NZD (36%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $217,524 NZD at MOH London · As of November 1, 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 30, 2026, with prices from $139,325 to $217,524, a $78,199 spread on the same certified stone. MOH London lists it at $217,524. 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: $217,524 NZD|Low: $139,325 NZD|High: $220,144 NZD|Avg: $168,483 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4$139,325 NZD
Retailer 2$139,520 NZD
Retailer 5$153,740 NZD
Retailer 3$169,000 NZD
Retailer 6$171,327 NZD
MOH London$217,524 NZD

42 data points across 6 retailers

6 retailers$139,325 NZD to $217,524 NZD

A
Cheapest Retailer
-
$139,325 NZD
$78,524 USD
A
Retailer 2
-
$139,520 NZD
£61,917 GBP
View
Retailer 3
-
$153,740 NZD
$86,648 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$169,000 NZD
€90,713 EUR
View
A
Retailer 5
-
$171,327 NZD
$96,560 USD
View
Most Expensive
B+
MOH London
7587F1C2F · Nov 1
$217,524 NZD
£96,533 GBP
View
5 more retailers have this diamond
Prices start from $139,325 NZDSave up to $78,199 NZD

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
$139,325 NZD