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Round|Natural|GIA

6.17ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7551506335

Certificate GIA 7551506335

Diamond specifications and retailer prices

From HK$508,855 HKD
As of November 6, 2026
Save HK$429,199 HKD (46%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$938,054 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 6.17ct natural round diamond

This 6.17ct 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 7551506335. Listed at 7 retailers as of November 4, 2026, with prices from HK$508,855 to HK$938,054, a HK$429,199 spread on the same certified stone. MOH London lists it at HK$938,054. 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

6.17
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7551506335
Dimensions11.61 × 11.69 × 7.28 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Natural
Top View
11.61 mm11.69 mm6.17 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551506335
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: Nov 6
Current: HK$938,054 HKD|Low: HK$508,855 HKD|High: HK$955,959 HKD|Avg: HK$628,964 HKD|-1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8HK$508,855 HKD
Retailer 5HK$541,507 HKD
Retailer 10HK$546,638 HKD
Retailer 6HK$575,155 HKD
Retailer 7HK$589,324 HKD
Retailer 2HK$592,979 HKD
Retailer 9HK$598,636 HKD
Retailer 4HK$669,909 HKD
Retailer 3HK$694,912 HKD
MOH LondonHK$938,054 HKD

42 data points across 10 retailers

7 retailersHK$508,855 HKD to HK$938,054 HKD

A
Cheapest Retailer
-
HK$508,855 HKD
A
Retailer 2
-
HK$541,507 HKD
View
Retailer 3
-
HK$575,155 HKD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
HK$589,324 HKD
View
B+
Retailer 5
-
HK$592,979 HKD
View
B+
Retailer 6
-
HK$669,909 HKD
View
Most Expensive
B
MOH London
63111AA68 · Nov 4
HK$938,054 HKD
£94,150 GBP
View
6 more retailers have this diamond
Prices start from HK$508,855 HKDSave up to HK$429,199 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
6.17ct Round
HK$508,855 HKD