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Round|Natural|GIA

5.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1226978892

Certificate GIA 1226978892

Diamond specifications and retailer prices

From €119,051 EUR
$132,504 USD
As of October 29, 2026
Save €89,080 EUR (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €208,131 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 5.5ct natural round diamond

This 5.5ct 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 1226978892. Listed at 6 retailers as of October 29, 2026, with prices from €119,051 to €208,131, a €89,080 spread on the same certified stone. MOH London lists it at €208,131. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1226978892
Dimensions11.17 × 11.25 × 7.04 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
11.17 mm11.25 mm5.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1226978892
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €208,131 EUR|Low: €114,802 EUR|High: €209,517 EUR|Avg: €143,459 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 4€114,802 EUR
Retailer 6€119,051 EUR
Retailer 5€123,477 EUR
Retailer 3€129,201 EUR
Retailer 2€160,839 EUR
MOH London€208,131 EUR

37 data points across 6 retailers

6 retailers€119,051 EUR to €208,131 EUR

Retailer 1
-
€114,802 EUR
$127,775 USD
Price last confirmed 12 days ago
B+
Retailer 2
-
€119,051 EUR
$132,504 USD
View
Retailer 3
-
€123,477 EUR
A$211,432 AUD
View
Price last confirmed 26 days ago
B+
Retailer 4
-
€129,201 EUR
£113,229 GBP
View
B+
Retailer 5
-
€160,839 EUR
View
Most Expensive
B
MOH London
7F3AA0852 · Oct 29
€208,131 EUR
£182,402 GBP
View
5 more retailers have this diamond
Prices start from €119,051 EURSave up to €89,080 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.

B+
5.50ct Round
€119,051 EUR