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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 $100,385 SGD
$78,524 USD
As of October 28, 2026
Save $57,182 SGD (36%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $157,567 SGD 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 $100,385 to $157,567, a $57,182 spread on the same certified stone. MOH London lists it at $157,567. 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: $157,567 SGD|Low: $100,385 SGD|High: $158,616 SGD|Avg: $121,329 SGD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 4$100,385 SGD
Retailer 2$101,367 SGD
Retailer 5$110,771 SGD
Retailer 3$121,573 SGD
Retailer 6$123,442 SGD
MOH London$157,567 SGD

42 data points across 6 retailers

6 retailers$100,385 SGD to $157,567 SGD

A
Cheapest Retailer
-
$100,385 SGD
$78,524 USD
A
Retailer 2
-
$101,367 SGD
£62,435 GBP
View
A
Retailer 3
-
$110,771 SGD
$86,648 USD
View
A
Retailer 4
-
$121,573 SGD
€90,569 EUR
View
A
Retailer 5
-
$123,442 SGD
$96,560 USD
View
Most Expensive
B+
MOH London
7587F1C2F · Oct 29
$157,567 SGD
£97,050 GBP
View
5 more retailers have this diamond
Prices start from $100,385 SGDSave up to $57,182 SGD

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
$100,385 SGD