Jacob Mercari 14K White Gold Twisted Hidden Halo Round Cut Diamond Engagement Ring
A Collection of Bespoke Designs

Custom Engagement Rings & Jewellery Portfolio

Explore a selection of custom engagement rings, wedding bands, gemstone jewellery, and one-of-a-kind pieces crafted with thoughtful detail, timeless design, and expert craftsmanship.
Jacob Mercari Custom 14K White Gold Purple Sapphire with Diamond Halo Engagement Ring
Jacob Mercari Custom 14K White Gold Blue Sapphire and Diamond Engagement Ring
Jacob Mercari Custom 14K Yellow baguette cut diamond band
Jacob Mercari 14K Yellow Gold Vintage Style Engagement Ring with Blue Sapphire Center Stone.
Jacob Mercari 14K White Gold Emerald Cut Diamond Eternity Band
Jacob Mercari Custom designed vintage style engagement ring in 14k white gold
Jacob Mercari custom designed cushion cut diamond with halo and pave band in 14k yellow gold
Jacob Mercari Custom Pear Cut Diamond Halo Engagement Ring
Jacob Mercari Custom Oval Cur Diamond Engagement Ring with Diamond cluster side diamonds.
Jacob Mercari unique asscher cut diamond engagement ring in 14k yellow gold
Jacob Mercari Custom Gemstone Engagement Ring
Jacob Mercari 14k yellow gold brush men's wedding band
Jacob Mercari diamond eternity wedding band
Jacob Mercari Custom Cushion Halo Pave Band in 14K White Gold
Jacob Mercari 14K White Gold Pave Wedding Bands
Jacob Mercari custom oval cut diamond with twisted pave band in 14K white gold
Jacob Mercari Custom Engagement Ring with emerald cut diamond centre stone with baguette side stones in 14k yellow gold
jacob mercari custom engagement ring round cut diamond with a floral design set made in rose gold
Jacob Mercari Marquise Cur Diamond Engagement Ring
Jacob Mercari Custom Green Emerald with baguette side diamonds in 14K yellow gold
Jacob Mercari 14K Yellow Gold Cushion Cut Diamond Halo and Pave Band Engagement Ring

Your vision, our expert craftsmanship

Have a design in mind? Share your inspiration, preferred stone shape, metal, budget, and timeline. We’ll help you refine the idea and guide you through the custom design process.

Request a Private AppointmentBegin Your Bespoke Design Journey