Round|Natural|GIA

5.05ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6555739940

Certificate GIA 6555739940

Diamond specifications and retailer prices

From €114,066 EUR

£100,343 GBP

As of November 1, 2026

Save €68,723 EUR (38%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: €182,789 EUR at MOH London · As of November 1, 2026

View at MOH London

About this 5.05ct natural round diamond

This 5.05ct natural round sits in the over five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555739940. Listed at 15 retailers as of November 1, 2026, with prices from €114,066 to €182,789, a €68,723 spread on the same certified stone. MOH London lists it at €182,789. 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

Color

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36°

Pavilion angle40.8°

OriginNatural

Grading LabGIA

CertificateGIA 6555739940

Dimensions10.82 × 10.91 × 6.81 mm

L/W Ratio1.01

Girdle conditionFaceted

Key to symbols

Cloud, Crystal, Needle, Feather

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6555739940

Side View

Caratlytics Score

How it works →

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: Nov 1

Current: €182,789 EUR|Low: €112,757 EUR|High: €194,274 EUR|Avg: €133,345 EUR|-5.8%

MOH London

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

November 1, 2026

Retailer 7€113,627 EUR

Retailer 6€114,001 EUR

Retailer 9€114,066 EUR

Retailer 15€116,270 EUR

Retailer 11€120,017 EUR

Retailer 13€120,708 EUR

Retailer 3€124,352 EUR

Retailer 14€127,183 EUR

Retailer 10€129,190 EUR

Retailer 12€137,261 EUR

Retailer 2€141,382 EUR

Retailer 8€141,614 EUR

Retailer 4€142,752 EUR

Retailer 5€148,242 EUR

MOH London€182,789 EUR

37 data points across 15 retailers

15 retailers€114,066 EUR to €182,789 EUR

Retailer 1

€113,627 EUR

A$195,299 AUD

Price last confirmed 28 days ago

Retailer 2

€114,001 EUR

SGD 172,112 SGD

View

Price last confirmed 22 days ago

Retailer 3

€114,066 EUR

£100,343 GBP

View

B+

Retailer 4

€116,270 EUR

$129,898 USD

View

Final sale: no returns

B+

Retailer 5

€120,017 EUR

$134,084 USD

View

B+

Retailer 6

€120,708 EUR

SGD 182,238 SGD

View

B+

Retailer 7

€124,352 EUR

$138,927 USD

View

B+

Retailer 8

€127,183 EUR

$142,090 USD

View

Retailer 9

€129,190 EUR

$144,332 USD

View

Price last confirmed 7 days ago

Retailer 10

€137,261 EUR

$153,349 USD

View

B+

Retailer 11

€141,382 EUR

View

B+

Retailer 12

€141,614 EUR

ZAR 2,555,928 ZAR

View

B+

Retailer 13

€142,752 EUR

$159,483 USD

View

B+

Retailer 14

€148,242 EUR

$165,617 USD

View

Most Expensive

MOH London

5EE0C1874 · Nov 1

€182,789 EUR

£160,798 GBP

View

14 more retailers have this diamond

Prices start from €114,066 EURSave up to €68,723 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.

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5.05ct Round

€114,066 EUR