Trent67 let me be as honest as I can be, and please do not be offended by this post, I'm not bashing your awesome find, I'm simply giving a reality check here. 1) no jeweler will offer you more than the platinum scrap value for this ring, however, you can get more for it you do the following: 2) The ring looks bad, it needs to be professionally polished. You must have it polished, there can be no discussion about it. Here in Europe I pay €10-15 for this procedure, it should not be more expensive in the US, so just do it. Bring it to a professional jeweler and let him polish it and plate it with rhodium. I'd choose a real jeweler, not some pawn shop or so. You will be very surprised to see the ring when you get it back after the procedure, I can almost guarantee you will say something like "wow is this my ring ??" 3) The pictures you have posted are horrible. If you put such pictures on ebay, you will not sell the ring. When the ring has been polished, take a decent camera and make good pictures. A lot of light is required to make decent pictures. Take a look here, this seller makes very nice pictures.
Fine Estate Amethyst Quartz & Diamond Ballernia 14k Y Gold Fashion Ring Sz 6.5 | eBay having good pictures is an absolute necessity! A good picture can make the customer "want the ring" like nothing else, and much more so than "oh its 15gr of platinum with 3x3mm diamonds". 4) When the ring has been polished and when you have good pictures, put it on ebay for $1800 with "accept offers" option. See if you can get $1500 for it. If after a month there is nobody who wants your ring then you can lower the price somewhat. I'm strongly convinced that you can get $1500 for it, but you need to follow my advice. Also, this ring is a bit crude (which is not bad), so advertise it as "unisex ring", meaning that its suitable for males and females. 5) having a certificate made is a pricey procedure which is not necessary in this case but what you can do for free is: you can ask your jeweler to make an appraisal document, usually they make such documents for free. Such a document would add to the value of the ring for any possible buyer. 6) Do not be concerned about your ebay feedback or lack thereof. Its normal for an occasional eBayer to offer one piece of jewelry. when you put it on ebay please select "shipping to US only" or you will be overwhelmed by Nigerians and others who will try to scam you. Greetings from Flanders.