Authentic Women’s Interlocking G sterling silver Gucci necklace

First, I was given this as a gift by a very generous, very bougie friend for a significant milestone in my life. It is beautiful; however, it is not my style. From the research I’ve been able to do, this piece is a sterling silver women’s Gucci necklace. There are black stones in the interlocking G that hangs from the chain. I do not know if they are a type of black crystal or if they are black diamonds. I believe they are black diamonds based on the many, many pieces I’ve been researching, but it is possible they are not. The chain itself is 19 inches long with an additional 2 inch chain extender at the end for a total wearable length of 21 inches. There is a horseshoe clasp at the end with a small Gucci branding on a disc at the end of the chain. The back of the box insert reads 4217G 8402. You can see by the packaging that this piece has barely been handled. It has been in a drawer in the original box since December of 2018. I cannot find the exact necklace anywhere for sale on retail or re-sale sites. If you are a Gucci collector, this is your lucky day!