Skip to product information

Cobalt Satin 4mm Band

SKU: BCX-RCO-ABDA-7
Sale price  $82.03 Regular price  $157.00

You save $74.97 47% off

  • Cobalt
  • 4.0 mm band

Ships within 2–3 business days

Ring Size: 7
Product subtotal: $82.03
  • Free shipping over $99
  • 30-day returns & size exchanges
  • Secure checkout

Questions about this piece?
Ask a jewelry specialist · (407) 278-9308 · Mon to Fri, 10am to 5pm ET

The details

Quiet and confident in equal measure, this cobalt band pairs a half-round profile with a satin brushed finish that softens the surface into a smooth, even matte. The naturally white tone of cobalt needs no plating to hold its color, and the gentle dome of the half-round shape sits comfortably against the finger from the first wearing.

At a width that suits a wide range of hand sizes, the band reads clean whether worn alone or alongside another ring. The engravable surface adds a personal dimension - a date or a few words on the interior that only the wearer knows are there - making a beautifully simple band into something genuinely one's own.

Key Features

  • Crafted in cobalt with a brushed finish
  • Measures 4 mm wide
  • Approximate weight of 4.69 grams

Why You’ll Love It

  • A matte satin finish that looks polished without the shine.
  • Cobalt holds its bright white tone without any plating.
  • The half-round dome sits comfortably through long days.
  • Engrave it and make it entirely your own.

Perfect For

An ideal choice for weddings, engagements, and anniversaries, and equally suited as a milestone gift for birthdays, graduations, or retirement. Its clean, modern profile appeals to anyone who values durability and understated style, and the engravable surface makes it a thoughtful, lasting gift for the people who matter most.

Size & fit
  • Available in ring sizes 7 to 13.
  • Band width: 4.0 mm.
  • Between sizes? Wider bands fit snugger, so go up a half size for bands over 6 mm.
  • Not sure of the size? Our ring size guide walks you through measuring at home.
  • The wrong size? Exchange it for another size within 30 days of delivery.
Shipping & returns
  • Free standard shipping on U.S. orders of $99 and above; under $99 the rate is shown at checkout.
  • Orders ship within 2 to 3 business days in insured packaging, with tracking sent by email.
  • Faster delivery: USPS Priority Mail and UPS options at checkout, where rates and delivery estimates are shown before you pay.
  • Not the right piece, or the wrong size? Return it, or exchange it for another size, within 30 days of delivery. Items must be unworn and in their original condition and packaging.
  • Covered by our One-Year Limited Jewelry Warranty against manufacturing defects.

Shipping & delivery · Returns & exchanges

Jewelry care
  • Put jewelry on last, after lotion and perfume, and take it off before showering, swimming or sleeping.
  • Store each piece on its own in a soft pouch so it doesn't scratch.

The full jewelry care guide

Cobalt Satin 4mm Band
Regular price $82.03 USD
Regular price $157.00 USD Sale price $82.03 USD
Ring Size: 7
Cobalt Satin 4mm Band - Birthstone Company
Cobalt Satin 4mm Band
Sale price  $82.03 Regular price  $157.00
Specifications

The details

Metal
Cobalt, brushed
Band width
4.0 mm
Sizes
7, 7.5, 8, 8.5, 9, 9.5, 10.5, 11, 11.5, 12, 12.5, 13
Weight
4.69 g
Show all specifications
Made in
China
Item number
BCX-RCO-ABDA-7

Recently viewed products

Related products