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Round|Natural|GIA

5.15ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1162220114

Certificate GIA 1162220114

Diamond specifications and retailer prices

From HK$429,078 HKD
As of November 4, 2026
Save HK$240,822 HKD (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$669,899 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 5.15ct natural round diamond

This 5.15ct 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 1162220114. Listed at 10 retailers as of November 2, 2026, with prices from HK$429,078 to HK$669,899, a HK$240,822 spread on the same certified stone. MOH London lists it at HK$669,899. 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

5.15
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1162220114
Dimensions11.13 × 11.15 × 6.82 mm
L/W Ratio1.00
Culet sizeNone
Top View
11.13 mm11.15 mm5.15 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1162220114
Side View
Table 57.0%Crown 35°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
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: Nov 4
Current: HK$669,899 HKD|Low: HK$411,049 HKD|High: HK$677,970 HKD|Avg: HK$485,908 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 4, 2026
Retailer 4HK$411,049 HKD
Retailer 5HK$427,179 HKD
Retailer 9HK$429,078 HKD
Retailer 2HK$434,789 HKD
Retailer 11HK$440,712 HKD
Retailer 7HK$446,808 HKD
Retailer 10HK$458,160 HKD
Retailer 6HK$473,466 HKD
Retailer 13HK$493,188 HKD
Retailer 8HK$508,950 HKD
Retailer 3HK$512,919 HKD
Retailer 12HK$515,665 HKD
Retailer 14HK$532,650 HKD
MOH LondonHK$669,899 HKD

32 data points across 14 retailers

10 retailersHK$429,078 HKD to HK$669,899 HKD

Retailer 1
-
HK$411,049 HKD
Price last confirmed 32 days ago
A
Retailer 2
-
HK$429,078 HKD
View
A
Retailer 3
-
HK$434,789 HKD
View
A
Retailer 4
-
HK$446,808 HKD
View
B+
Retailer 5
-
HK$458,160 HKD
View
Retailer 6
-
HK$493,188 HKD
View
Price last confirmed 38 days ago
Retailer 7
-
HK$508,950 HKD
View
Price last confirmed 15 days ago
Retailer 8
-
HK$512,919 HKD
View
Price last confirmed 36 days ago
Retailer 9
-
HK$532,650 HKD
View
Price last confirmed 38 days ago
Most Expensive
B
MOH London
847235BFF · Nov 2
HK$669,899 HKD
£67,236 GBP
View
9 more retailers have this diamond
Prices start from HK$429,078 HKDSave up to HK$240,822 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
5.15ct Round
HK$429,078 HKD