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Round|Natural|GIA

3.18ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 6131081960

Certificate GIA 6131081960

Diamond specifications and retailer prices

From HK$222,167 HKD
$28,317 USD
As of October 31, 2026
Save HK$160,652 HKD (42%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$382,818 HKD at MOH London · As of November 1, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6131081960. Listed at 5 retailers as of October 31, 2026, with prices from HK$222,167 to HK$382,818, a HK$160,652 spread on the same certified stone. MOH London lists it at HK$382,818. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.18
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6131081960
Dimensions9.20 × 9.17 × 5.89 mm
L/W Ratio1.00
Top View
9.20 mm9.17 mm3.18 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6131081960
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 64.1%

Caratlytics Score

How it works →
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: Oct 31
Current: HK$382,818 HKD|Low: HK$212,893 HKD|High: HK$387,432 HKD|Avg: HK$269,276 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4HK$212,893 HKD
Retailer 5HK$222,167 HKD
Retailer 3HK$242,885 HKD
Retailer 2HK$296,098 HKD
MOH LondonHK$382,818 HKD

36 data points across 5 retailers

5 retailersHK$222,167 HKD to HK$382,818 HKD

Retailer 1
-
HK$212,893 HKD
$27,135 USD
Price last confirmed 7 days ago
B
Retailer 2
-
HK$222,167 HKD
$28,317 USD
View
B
Retailer 3
-
HK$242,885 HKD
£24,376 GBP
View
B
Retailer 4
-
HK$296,098 HKD
€35,943 EUR
View
Most Expensive
C
MOH London
19C478429 · Nov 1
HK$382,818 HKD
£38,420 GBP
View
4 more retailers have this diamond
Prices start from HK$222,167 HKDSave up to HK$160,652 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$222,167 HKD