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Round|Natural|GIA

5.50ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6555651930

Certificate GIA 6555651930

Diamond specifications and retailer prices

From HK$444,255 HKD
$56,624 USD
As of October 31, 2026
Save HK$335,053 HKD (43%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$779,307 HKD at MOH London · As of November 1, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555651930. Listed at 12 retailers as of October 31, 2026, with prices from HK$444,255 to HK$779,307, a HK$335,053 spread on the same certified stone. MOH London lists it at HK$779,307. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555651930
Dimensions11.62 × 11.58 × 6.79 mm
L/W Ratio1.00
Key to symbols
Feather, Crystal, Needle
Top View
11.62 mm11.58 mm5.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555651930
Side View
Table 60.0%Crown 32°GirdlePavilion 41°Culet: NoneDepth 58.5%

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 31
Current: HK$779,307 HKD|Low: HK$444,255 HKD|High: HK$783,482 HKD|Avg: HK$538,328 HKD|-0.5%
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 7HK$444,255 HKD
Retailer 12HK$452,203 HKD
Retailer 5HK$491,912 HKD
Retailer 9HK$498,994 HKD
Retailer 3HK$519,785 HKD
Retailer 10HK$519,785 HKD
Retailer 2HK$526,625 HKD
Retailer 8HK$533,817 HKD
Retailer 11HK$540,577 HKD
Retailer 4HK$561,368 HKD
Retailer 6HK$605,459 HKD
MOH LondonHK$779,307 HKD

5 data points across 12 retailers

12 retailersHK$444,255 HKD to HK$779,307 HKD

A
Cheapest Retailer
-
HK$444,255 HKD
$56,624 USD
A
Retailer 2
-
HK$452,203 HKD
$57,637 USD
View
A
Retailer 3
-
HK$491,912 HKD
£49,369 GBP
View
B+
Retailer 4
-
HK$498,994 HKD
$63,601 USD
View
B+
Retailer 5
-
HK$519,785 HKD
$66,251 USD
View
B+
Retailer 6
-
HK$519,785 HKD
$66,251 USD
View
B+
Retailer 7
-
HK$526,625 HKD
£52,853 GBP
View
B+
Retailer 8
-
HK$533,817 HKD
$68,039 USD
View
B+
Retailer 9
-
HK$540,577 HKD
$68,901 USD
View
B+
Retailer 10
-
HK$561,368 HKD
$71,551 USD
View
B
Retailer 11
-
HK$605,459 HKD
€73,496 EUR
View
Most Expensive
B
MOH London
E482B605D · Nov 1
HK$779,307 HKD
£78,212 GBP
View
11 more retailers have this diamond
Prices start from HK$444,255 HKDSave up to HK$335,053 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
5.50ct Round
HK$444,255 HKD