Limited Time 15% Off Fashion Jewelry and Wedding Bands Code: GIFT15

  1. Wedding Bands/
  2. Metal Bands

4mm Flat Ring

  • 4mm Flat Ring featuring Lab Grown Diamonds
  • 4.0mm 18k White Gold Flat Wedding Band
  • Diamonds 4mm Flat Ring in platinum
    Metal18k White Gold
    Ring SizeSelect below
    Need a larger size?
    This style can be sized up or down one full size and should not be sized more than once.
    Shipping Time Varies by Size
    14k yellow gold 4mm Flat Ring (Main View)

    A 4mm wide, gender-neutral wedding band.

    4mm width:


    14k Yellow or Rose Gold: $650 USD

    18k White, Yellow, or Rose Gold: $950 USD

    Platinum: $1,050 USD


    Starting at pricing assumes 14k yellow or rose gold in sizes 5-7. Quarter sizes are final sale. Matte finish available for an additional fee.


    Note: Plain metal bands offered by Ada are not custom cast and are available as off-the-shelf items for expediency and cost. As a result, this band may have very slight differences in color for yellow and rose gold from custom cast pieces. If you are interested in a custom cast band to accompany your engagement ring, please inquire.