The simplest way is to read the karat markings on each piece. Any one of these indicates that your jewelry is gold: For 10 karat- 10k, 10kt, 416 For 14 karat- 14k, 14kt, 585 For 18 karat- 18k, 18kt, 750 For Platinum- 950PT, Platinum, Plat, 950PT 10%IR For Silver – STERLING, 925, SILVER 1/10 GF refers to gold filled and is not solid gold, and we cannot take it in. Vermeil refers to gold plated on Sterling Silver and will be valued as silver. Our in house experts can test your precious metals for content to ensure that you are getting a fair price for your unwanted gold.