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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 HK$693,693 HKD
$88,417 USD
As of October 30, 2026
Save HK$389,358 HKD (36%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$1,083,051 HKD 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 October 30, 2026, with prices from HK$693,693 to HK$1,083,051, a HK$389,358 spread on the same certified stone. MOH London lists it at HK$1,083,051. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$1,083,051 HKD|Low: HK$660,733 HKD|High: HK$1,096,104 HKD|Avg: HK$795,277 HKD|+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 11HK$693,693 HKD
Retailer 3HK$701,672 HKD
Retailer 6HK$722,377 HKD
Retailer 2HK$753,891 HKD
Retailer 9HK$765,474 HKD
Retailer 4HK$775,499 HKD
Retailer 10HK$797,366 HKD
Retailer 5HK$817,085 HKD
Retailer 8HK$829,259 HKD
Retailer 12HK$853,101 HKD
Retailer 7HK$861,152 HKD
MOH LondonHK$1,083,051 HKD

43 data points across 12 retailers

13 retailersHK$693,693 HKD to HK$1,083,051 HKD

A
Cheapest Retailer
-
HK$693,693 HKD
$88,417 USD
A
Retailer 2
-
HK$701,672 HKD
$89,434 USD
View
Final sale: no returns
A
Retailer 3
-
HK$722,377 HKD
$92,073 USD
View
Retailer 4
-
HK$722,377 HKD
$92,073 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
HK$753,891 HKD
£75,661 GBP
View
A
Retailer 6
-
HK$765,474 HKD
$97,566 USD
View
A
Retailer 7
-
HK$797,366 HKD
$101,631 USD
View
A
Retailer 8
-
HK$817,085 HKD
€99,185 EUR
View
A
Retailer 9
-
HK$829,259 HKD
$105,696 USD
View
A
Retailer 10
-
HK$853,101 HKD
$108,735 USD
View
A
Retailer 11
-
HK$861,152 HKD
$109,761 USD
View
Retailer 12
-
HK$861,152 HKD
$109,761 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
19068FAD5 · Nov 1
HK$1,083,051 HKD
£108,696 GBP
View
12 more retailers have this diamond
Prices start from HK$693,693 HKDSave up to HK$389,358 HKD

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
HK$693,693 HKD