An Amazing 23 Carat Colombian Emerald and Diamond Ring A Gorgeous 23 Carat Colombian Emerald and Diamond Ring by Bayco Jewelry A Unique 23 Carat Un-enhanced Emerald-Cut Old-mine Colombian Emerald set in a Ring flanked by Half-moon Diamonds. Click Here For More Details on the Gorgeous 23 Carat Colombian Emerald and Diamond Ring by Bayco Jewelry