Round|Natural|GIA

5.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 5506566065

Certificate GIA 5506566065

Diamond specifications and retailer prices

From €87,391 EUR
$97,634 USD
As of October 30, 2026
Save €56,063 EUR (39%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €143,454 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 5.03ct natural round diamond

This 5.03ct natural round sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5506566065. Listed at 9 retailers as of October 29, 2026, with prices from €87,391 to €143,454, a €56,063 spread on the same certified stone. MOH London lists it at €143,454. 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

5.03
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5506566065
Dimensions10.94 × 10.99 × 6.80 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
10.94 mm10.99 mm5.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5506566065
Side View
Table 58.0%Crown 35.5°Girdle: Slightly Thick-MediumPavilion 41.2°Culet: NoneDepth 62.0%

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: €143,454 EUR|Low: €87,391 EUR|High: €144,409 EUR|Avg: €104,223 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4€87,391 EUR
Retailer 6€87,883 EUR
Retailer 2€91,794 EUR
Retailer 5€102,703 EUR
Retailer 3€109,039 EUR
MOH London€143,454 EUR

38 data points across 6 retailers

9 retailers€87,391 EUR to €143,454 EUR

A
Cheapest Retailer
-
€87,391 EUR
$97,634 USD
A
Retailer 2
-
€87,883 EUR
$98,184 USD
View
A
Retailer 3
-
€91,794 EUR
£80,750 GBP
View
Retailer 4
-
€95,171 EUR
$106,326 USD
View
Price last confirmed 33 days ago
Retailer 5
-
€95,171 EUR
$106,326 USD
View
Price last confirmed 22 days ago
A
Retailer 6
-
€95,171 EUR
$106,326 USD
View
B+
Retailer 7
-
€102,703 EUR
$114,741 USD
View
B+
Retailer 8
-
€109,039 EUR
View
Most Expensive
B+
MOH London
5C2466FB1 · Oct 29
€143,454 EUR
£126,195 GBP
View
8 more retailers have this diamond
Prices start from €87,391 EURSave up to €56,063 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
5.03ct Round
€87,391 EUR