It depends on what the item is that the hallmark appears on.
Yes can be white Gold hallmark in gold metal alloys Ring.
Yes can be white Gold hallmark in gold metal alloys Ring.
worldwide
The ".925" stamp on a diamond engagement ring indicates that the metal is sterling silver. It does not necessarily mean the diamond is real; the authenticity of the diamond would need to be verified separately by a gemologist or a jeweler.
Next Diamond, Inc. 154 W 14th Street New York, Ny 10011 US
W = Wood D = Diamond W W W W D W W W W (as in a crafting table)
W
the outside edge of a shape e.g if it was a square the formula would be P=(L)x(W)x2 or in simpler terms add up all the sides of the shape
Next Diamond, Inc.154 W 14th Street New York, Ny 10011 US
It means that the total carat weight (t ct w) of both earrings together is 1 carat. In other words each stud will be half a carat.
A 7 sided shape is a heptagon.
The "r w" inside your ring likely stands for "real white" or "real gold," indicating the material or quality of the ring. It could also represent a specific manufacturer or designer's mark. To get a precise understanding, consider consulting a jeweler who can identify the hallmark and provide more information.