Cushion|Natural|GIA

5.05ct E SI1 Cushion Natural Diamond

ID • E/SI1 • GIA 5231867071

Certificate GIA 5231867071

Diamond specifications and retailer prices

From €64,034 EUR
HK$558,900 HKD
As of October 30, 2026
Save €55,379 EUR (46%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €119,413 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 5.05ct natural cushion diamond

This 5.05ct 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 GIA 5231867071. Listed at 8 retailers as of October 29, 2026, with prices from €64,034 to €119,413, a €55,379 spread on the same certified stone. MOH London lists it at €119,413. 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

5.05
Carat
E
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle35.83°
OriginNatural
Grading LabGIA
CertificateGIA 5231867071
Dimensions12.77 × 8.63 × 5.85 mm
L/W Ratio1.48
Top View
12.77 mm8.63 mm5.05 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5231867071
Side View
Table 63.0%CrownGirdle: STK-THKPavilion 35.83°Culet: NoneDepth 67.7%

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: €119,413 EUR|Low: €64,034 EUR|High: €132,669 EUR|Avg: €89,107 EUR|-9.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 7€64,034 EUR
Retailer 2€70,803 EUR
Retailer 8€76,834 EUR
Retailer 3€77,019 EUR
Retailer 6€79,899 EUR
Retailer 5€83,828 EUR
Retailer 4€94,026 EUR
MOH London€119,413 EUR

38 data points across 8 retailers

8 retailers€64,034 EUR to €119,413 EUR

A
Cheapest Retailer
-
€64,034 EUR
HK$558,900 HKD
A
Retailer 2
-
€70,803 EUR
View
Retailer 3
-
€76,834 EUR
SGD 115,999 SGD
View
Price last confirmed 22 days ago
A
Retailer 4
-
€77,019 EUR
$86,046 USD
View
A
Retailer 5
-
€79,899 EUR
£70,286 GBP
View
A
Retailer 6
-
€83,828 EUR
$93,653 USD
View
B+
Retailer 7
-
€94,026 EUR
View
Most Expensive
B+
MOH London
9BF9C817A · Oct 29
€119,413 EUR
£105,046 GBP
View
7 more retailers have this diamond
Prices start from €64,034 EURSave up to €55,379 EUR

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
5.05ct Cushion
€64,034 EUR