![[Used] K18WG BLACK OPAL Black Opal Ring BO4.10ct D0.13ct 3.2g](http://koufuku.jp/cdn/shop/files/2000000045214_7.jpg?v=1741937635&width=480)
![[Used] K18WG BLACK OPAL Black Opal Ring BO4.10ct D0.13ct 3.2g](http://koufuku.jp/cdn/shop/files/2000000045214_8.jpg?v=1741937635&width=480)
![[Used] K18WG BLACK OPAL Black Opal Ring BO4.10ct D0.13ct 3.2g](http://koufuku.jp/cdn/shop/files/2000000045214_2.jpg?v=1741937635&width=480)
![[Used] K18WG BLACK OPAL Black Opal Ring BO4.10ct D0.13ct 3.2g](http://koufuku.jp/cdn/shop/files/2000000045214_3.jpg?v=1741937635&width=480)
![[Used] K18WG BLACK OPAL Black Opal Ring BO4.10ct D0.13ct 3.2g](http://koufuku.jp/cdn/shop/files/2000000045214_4.jpg?v=1741937635&width=480)
![[Used] K18WG BLACK OPAL Black Opal Ring BO4.10ct D0.13ct 3.2g](http://koufuku.jp/cdn/shop/files/2000000045214_5.jpg?v=1741937635&width=480)
![[Used] K18WG BLACK OPAL Black Opal Ring BO4.10ct D0.13ct 3.2g](http://koufuku.jp/cdn/shop/files/2000000045214_6.jpg?v=1741937635&width=480)
[Used] K18WG BLACK OPAL Black Opal Ring BO4.10ct D0.13ct 3.2g
Select Title
¥208,000
Tax included
brand
Jewelry Designer
series
Gold
K18WG
Center stone type
Black Opal
Medium stone size
11.9mm length x 4.5mm width
Weight of center stone
4.10ct
color
A.B.
Clarity
-
Cut Grade
-
Shine (center stone)
Fluorescence
Two types of center stones
2 sizes of center stone
mm
Center stone 2 weight
ct
Center stone 2 colors
Center stone 2 clarity
Center stone 2 cut grade
Center stone 2 Shine
Nakaishi 2 Fluorescence
Nakaishi 2 Fluorescence
Side stone type
D
Side stone size
mm
Side stone weight
0.13ct
Side stone color
A
Side Stone Clarity
A.B.
Side stone cut grade
Side stone shine
A
Side stone fluorescence
Two types of side stones
Side stones 2 sizes
Side stone 2 weight
ct
Origin
Enhancement/Treatment
size
No. 14
Chain length
Vatican Inner Diameter
vertical:
beside:
needle
length:
Thickness:
gross weight
3.2g
Necklace Weight
Pendant Weight
Removing the necklace
accessories
Appraisal agency
Important Notes
Rank
S
Product condition
This K18 white gold ring is set with a large 4.1ct black opal that vividly brings out the green, blue and yellow mottled pattern. Enjoy its serene appearance.

■ About returns (exchanges and refunds)
Products will only be returned if a defect is found.
Please note that we cannot accept returns due to customer convenience.
Please refer to the usage guide for details.