seamless dashed diagonal background. repeating pattern. oblique lines of different lengths. abstract geometric lines.

abstract backdrop background black blue brilliant circle collection colorful crystal crystals dashed diagonal diamond different emerald facet fashion gemstone gemstones geometric geseamless glass glossy glow heart illustration jewel jewelry jewels lengths lines luxury oblique pattern polygonal precious rainbow reflection repeat repeating repeatinmstones round royal seamless shape shimmer shine shiny space spark sparkle sphere star stone strokes tilling treasure triangle vector wedding white