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Round|Natural|GIA

3.18ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6177561497

Certificate GIA 6177561497

Diamond specifications and retailer prices

From HK$240,118 HKD
As of November 6, 2026
Save HK$130,301 HKD (35%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$370,419 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 3.18ct natural round diamond

This 3.18ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6177561497. Listed at 4 retailers as of November 4, 2026, with prices from HK$240,118 to HK$370,419, a HK$130,301 spread on the same certified stone. MOH London lists it at HK$370,419. 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

3.18
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6177561497
Dimensions9.50 × 9.50 × 5.83 mm
L/W Ratio1.00
Star length55%
Lower girdle80%
Top View
9.50 mm9.50 mm3.18 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6177561497
Side View
Table 56.0%Crown 34°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 61.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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$370,419 HKD|Low: HK$240,118 HKD|High: HK$375,889 HKD|Avg: HK$288,309 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2HK$240,118 HKD
Retailer 4HK$243,099 HKD
Retailer 3HK$286,311 HKD
MOH LondonHK$370,419 HKD

41 data points across 4 retailers

4 retailersHK$240,118 HKD to HK$370,419 HKD

B
Cheapest Retailer
-
HK$240,118 HKD
B
Retailer 2
-
HK$243,099 HKD
View
B
Retailer 3
-
HK$286,311 HKD
View
Most Expensive
B
MOH London
ED94F58D9 · Nov 4
HK$370,419 HKD
£37,178 GBP
View
3 more retailers have this diamond
Prices start from HK$240,118 HKDSave up to HK$130,301 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.

B
3.18ct Round
HK$240,118 HKD