1. Blue Water JewelersSt. Augustine, Fla.Main URL: bluewater-jewelers.comAlternate: staugustinediamonds.com “This is one of 15 URLs we own.” —Owner Robert Nettles2. Hacker Jewelers Tecumseh, Mich. Main URL: hackerjewelers.comAlternate: antwerprocks.com, adiamondisalegacy.com “?‘A Diamond Is a Legacy’ is a tagline in my ads; antwerprocks.com is for a future campaign.” —CEO Dan Hacker3. Hilderbrand Diamond Co.Poplar Bluff, Mo.Main URL: hilderbrand­diamondcompany.comAlternate: dadsrings.com “Dads are left out of the jewelry equation, [but] it’s a category we ­specialize in.” —Owner Kevin Hilderbrand4. Branham’s JewelryEast Tawas, Mich.  Main URL: branhamsjewelry.comAlternate: michigansjeweler.com“People see it once on a billboard and it sticks.” —Co-owner Ken Branham5. Alter’s Gem JewelryBeaumont, TexasOld main URL: altersgemjewelry.comAlternate: hel