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Round|Natural|GIA

5.55ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7531937422

Certificate GIA 7531937422

Diamond specifications and retailer prices

From HK$458,685 HKD
As of November 6, 2026
Save HK$343,937 HKD (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$802,622 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 5.55ct natural round diamond

This 5.55ct natural round sits in the over five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7531937422. Listed at 16 retailers as of November 4, 2026, with prices from HK$458,685 to HK$802,622, a HK$343,937 spread on the same certified stone. MOH London lists it at HK$802,622. 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

5.55
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7531937422
Dimensions11.29 × 11.22 × 7.05 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
11.29 mm11.22 mm5.55 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7531937422
Side View
Table 56.0%CrownGirdlePavilionCulet: NoneDepth 62.6%

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: Nov 6
Current: HK$802,622 HKD|Low: HK$458,685 HKD|High: HK$856,484 HKD|Avg: HK$591,991 HKD|-6.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3HK$458,685 HKD
Retailer 9HK$466,978 HKD
Retailer 7HK$498,484 HKD
Retailer 5HK$504,211 HKD
Retailer 10HK$515,296 HKD
Retailer 8HK$519,595 HKD
Retailer 2HK$520,545 HKD
Retailer 11HK$551,267 HKD
Retailer 4HK$619,175 HKD
Retailer 6HK$620,375 HKD
MOH LondonHK$802,622 HKD

38 data points across 11 retailers

16 retailersHK$458,685 HKD to HK$802,622 HKD

A
Cheapest Retailer
-
HK$458,685 HKD
A
Retailer 2
-
HK$466,978 HKD
View
A
Retailer 3
-
HK$498,484 HKD
View
A
Retailer 4
-
HK$504,211 HKD
View
Retailer 5
-
HK$515,296 HKD
View
Price last confirmed 8 days ago
Retailer 6
-
HK$519,595 HKD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
HK$520,545 HKD
View
Retailer 8
-
HK$541,876 HKD
View
Price last confirmed 29 days ago
B+
Retailer 9
-
HK$551,267 HKD
View
Retailer 10
-
HK$564,454 HKD
View
Price last confirmed 40 days ago
Retailer 11
-
HK$564,454 HKD
View
Price last confirmed 38 days ago
Retailer 12
-
HK$587,033 HKD
View
Price last confirmed 29 days ago
Retailer 13
-
HK$609,611 HKD
View
Price last confirmed 38 days ago
B+
Retailer 14
-
HK$619,175 HKD
View
B+
Retailer 15
-
HK$620,375 HKD
View
Most Expensive
B
MOH London
627661A39 · Nov 4
HK$802,622 HKD
£80,557 GBP
View
15 more retailers have this diamond
Prices start from HK$458,685 HKDSave up to HK$343,937 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
5.55ct Round
HK$458,685 HKD