When I regard a question, the answer is undiluted up and open based on gossip from the request for information. This one presents a perplexity of sorts! The markings are what should be in that for 18k gold. The just entry shady in that is the double marks, plus both 18k and 750. This is not a accusing ingredient but maximum Italian adornment is with the sole purpose flawed next to one or the other mark.
Sure, quite a few exceptions go on and when the wristlet was made "might" be a cause for some results. European jewelry was flawed beside numeric stamps (i.e. 750) past those first baron marks of broughton became recognized standards with consumers in the USA. Who knows the intention for some marks? Generally, the maker's mark is (by law) close to the competence mark. Is in attendance a maker's mark or one signal in any case "Italy" for a manufacturer? If not, later the armlet is truly fishy.
The businessman are exact but the acerbic check showed green, the typical issue of a gold-filled or plated article with a stub gold-bearing suchlike brass underneath. The green comes from counterattack near sulphurous and the cu division in the inexplicit metals. Gold items of 10k to 18k and better simply do not establish inexpert. This is fragment of the quandary. The twofold safeties also are a micro problem, since attire adornment commonly does not have satisfactory power clasps or treble safeties.
Now, we have to request for information if the unpleasant testing was through well and on what sector of the watch bracelet. It is probable that the wristband is not gold ingots and does have golden button parts, if attached beside loops (jump gymnastic apparatus) and not coupled by soldering straight to the watchstrap.
Where is the part stamps located? Are the markings on the posterior one and only on the clasps environs or settled location else? An virulent test done right will necessitate not solitary the holdfast environs but quite a lot of different municipality of the adornment part. The item is rubbed on a slate chromatic thorny ample to dig a bit into the jewelry and location some face gilded and deeper auriferous on the seed. Or, the sulfurous is practical evenly to the fragment. Either way, the ending will not be fertile for gilded items.
Without the watchstrap in hand, I simply cannot speak about if it is truly 18k gold ingots. If not, consequently at first sight adequate make miserable was interpreted by the maker to cause it gawk authentic and be oversubscribed deceptively as 18k when it is not.
I proposition you have the watchband curbed at different jewelers. If the results are the same, past we must cogitate the superb woman who owned the armlet was perhaps duped or possibly will have accepted it as a bequest from human who did not know. I aspiration I could bequeath you a more than gala reply but another try-out is really needful to breakthrough out for indisputable. Please use a enterprise with no curiosity in buying the watchstrap to escape impending racket. The watchband should be well-tried in more than one entity on the bracelet.
Sorry for report that is a bit to the unasked for sideways. Please have the second testing finished and that should cerebrate it. Even if it's not 18k, view the contribution specified as what it "might" have been and wear it next to that in mind, costume or not.