10ct Square Cut Blue Tanzanite Engagement Wedding Band in 925 Sterling Silver

Walmart - Shenzhen Yisai e-commerce Co., Ltd

Large, square-cut blue stone matches the stone in the frame, Silver-colored metal band matches the frame, Plain, chunky band design is consistent with the visible portion in the frame, Overall signet-style appearance aligns, Stone prominence and setting are very similar

Pauro Men's Stainless Steel Vintage Square Gemstone Ring

Walmart - PAURO-USA

Single, square blue gemstone matches shape and color, Gemstone appears faceted and clear, similar to the frame, Silver-colored band matches the metal tone, Band design is plain and unadorned, consistent with the frame, Setting style (bezel-like) is similar to the ring in the frame

Gold Men's Square Ring

Gemologica

Square blue stone, Silver-colored metal