vibrant sapphire halo engagement ring intricate antique gold details elegantly displayed dark velvet

sapphire engagement ring halo diamond antique gold vintage jewelry velvet cushion romantic design intricate engravings luxury elegant blue gemstone sparkling timeless wedding collection bridal craftsmanship gift floral patterns soft lighting deep warm atmosphere marketing luxurious unique classic ornate fine artisan sentimental heritage special occasion heirloom gem handcrafted dazzling radiant captivating ai generated