Popsugar Lifestyle Weddings Engagement Rings Under $100 25 Gorgeous Engagement Rings That Cost Under $100 10 May, 2018 by Brinton Parker View On One Page Photo 24 of 25 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 24 White Sapphire Ring: $55 Go double-duty with an affordable engagement and wedding band. Previous Next Start Slideshow WeddingsFrugal LivingEngagement RingsEngagementShopping