SECO was the trademark of Stein and Ellbogen, a jewelry wholesaler.
At a jewler.
You are best advised to pay a certified gemologist to value the ring for you, before you attempt to sell it. You can sell it to a jeweler or a private party, or broker it to an online shopping option.
Pay a certified gemologist to document and value the ring, so that you have a written description of the metal setting and the stone. Then research comperables, set a value, and advertise your well-documented ring for sale. If you sell it privately, meet any prospective buyer in a public place with security cameras -- just for your own protection.
Best practices dictate that you pay a certified gemologist to document this diamond, since natural red diamonds are among the most rare of fancy coloured diamonds, and therefore can be the most valuable. With such a certificate, you will be better prepared to ask a price for the ring that you're selling. Then you can advertise it and sell it.
18 karat gold electroplate
not much. ge stands for "gold electroplate" which means the ring is plated and not solid gold.
If something if 14k, it is 14 karat gold. The GE portion would mean that part of the jewelry is not solid gold.
What does 14k PJM mean on ring
What does 14k da mean on silver ring
That is the company or maker. Your ring is gold with the 14k on it.
14karat gold electroplate
14k is the purity of the gold. CKG is the manufacturer of the ring
14 karat gold electroplated meaning it is plated over a base metal of some other kind besides precious metal
What does a wedding ring with the numbers and letters βVA. 14Kβ represent
what does 14K pat Fla mean on the inside of a ring
cTo is probably the designer/jeweler of the ring 14k is what it is