Lab grown Neon Blue Paraiba Tourmaline ring | alternative engagement ring | October Birthstone Ring Main Stone: 4.47 ct Paraiba Tourmaline (feel free to change to emerald, sapphire, tourmaline, and more. Just send me a message to personalize) Shape: Oval Cut: Brilliant Color: greenish blue Side stone: Cubic zirconia Metal: 9K gold (AU375) or 14K gold (AU585) or 18K gold (AU750) Gold Tone: White (message me in personalization request if need other tones, such as yellow or rose gold)…