Round|Natural|IGI

6.55ct G SI2 Round Natural Diamond

EX • G/SI2 • IGI 468180579

Shape and cutting style on the report: Round brilliant

Certificate IGI 468180579

Diamond specifications and retailer prices

From €79,141 EUR
$88,417 USD
As of November 1, 2026
Save €44,421 EUR (36%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €123,562 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 6.55ct natural round diamond

This 6.55ct natural round sits in the over five carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 468180579. Listed at 13 retailers as of November 1, 2026, with prices from €79,141 to €123,562, a €44,421 spread on the same certified stone. MOH London lists it at €123,562. 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

6.55
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 468180579
Dimensions12.12 × 12.06 × 7.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
12.12 mm12.06 mm6.55 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 468180579
Side View
Table 59.5%Crown 33.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €123,562 EUR|Low: €75,381 EUR|High: €125,051 EUR|Avg: €90,706 EUR|+4.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 11€79,141 EUR
Retailer 3€80,051 EUR
Retailer 6€82,414 EUR
Retailer 5€86,009 EUR
Retailer 9€87,330 EUR
Retailer 4€88,474 EUR
Retailer 10€90,969 EUR
Retailer 2€92,805 EUR
Retailer 8€94,607 EUR
Retailer 12€97,327 EUR
Retailer 7€98,246 EUR
MOH London€123,562 EUR

42 data points across 12 retailers

13 retailers€79,141 EUR to €123,562 EUR

A
Cheapest Retailer
-
€79,141 EUR
$88,417 USD
A
Retailer 2
-
€80,051 EUR
$89,434 USD
View
Final sale: no returns
A
Retailer 3
-
€82,414 EUR
$92,073 USD
View
Retailer 4
-
€82,414 EUR
$92,073 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
€86,009 EUR
£75,661 GBP
View
Retailer 6
-
€87,330 EUR
$97,566 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
€90,969 EUR
$101,631 USD
View
A
Retailer 8
-
€92,805 EUR
View
A
Retailer 9
-
€94,607 EUR
$105,696 USD
View
A
Retailer 10
-
€97,327 EUR
$108,735 USD
View
A
Retailer 11
-
€98,246 EUR
$109,761 USD
View
Retailer 12
-
€98,246 EUR
$109,761 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
19068FAD5 · Nov 1
€123,562 EUR
£108,696 GBP
View
12 more retailers have this diamond
Prices start from €79,141 EURSave up to €44,421 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
6.55ct Round
€79,141 EUR