jewelry wholesaler near me oak brook illinois I bought a diamond ring at the old temple gold. The price was 9621 yuan, the total weight was 2.82g, the diamond 0.313ct/1, the H color SI clarity

jewelry wholesaler near me oak brook illinois I bought a diamond ring at the old temple gold. The price was 9621 yuan, the total weight was 2.82g, the diamond was 0.313CT/1, and the H color SI clarity had invoices and identification certificates. Please help me analyze whether to buy expensive