Is Charles & Colvard (CTHR) Stock a Buy For 2021? Silver Ring Value Partners recently released its Q4 2020 Investor Letter, a copy of which you can download here. The fund posted a return of 26.6% for the last 12 months (net), outperforming its benchmark, the Russell 3000 Index which returned 20.9% in the same period. You should check out Silver Ring Value Partners’ top 5 stock picks for investors to buy right now, which could be the biggest winners of 2021. In the Q4 2020 Investor Letter, Silver Ring Value Partners’ highlighted a few stocks and Charles & Colvard Ltd (NASDAQ:CTHR) is one of them. Charles & Colvard Ltd (NASDAQ:CTHR) distributes and manufactures jewelry. In the last three months, Charles & Colvard Ltd (NASDAQ:CTHR) stock gained 51.5% and on January 15th it had a closing price of $1.35. Here is what Silver Ring Value Partners’ said: