How do Moissanite vintage rings stand against traditional choices such as wedding rings made from cultured diamonds or lab grown diamond halo ... metals and ethical gold to make their rings ...

Among them are a 8.2-carat blue sapphire ring, set to go for anywhere from $300,000-$500,000, and a 10.95-carat round brilliant-cut diamond set in gold, which will go for somewhere between $40,000 ...

For its 2025 Blue Book ... 18-karat yellow gold and platinum with a fancy intense yellow diamond of over 18 carats framed by smaller yellow and white diamonds or a matching ring with a fancy ...