Cobalt Unisex Polished Wedding Band, Engravable & Gift Ready
*Discount code is applied automatically
*This ring cannot be resized

Cobalt Flat Polished 5mm Band
Sleek, modern, and effortlessly timeless, the Cobalt Flat Polished 5mm Band is the perfect symbol of enduring love and commitment. Designed for those who value both elegance and durability, this unisex wedding band boasts a refined silhouette and a high-polished finish that captures light beautifully, offering a subtle yet brilliant shine.
Crafted from pure cobalt, this ring is not only visually striking but also incredibly resilient. Known for its strength and resistance to tarnish and scratching, cobalt offers a high-performance material that maintains its pristine appearance over time. The flat-edge design adds a touch of modern sophistication, while the smooth polished surface ensures ultimate comfort for daily wear.
This Cobalt Flat Polished Band is the ideal expression of commitment, be it for weddings, anniversaries, or personal milestones. Plus, the option for engraving allows you to add a personal touch, creating a keepsake that is uniquely yours.
Key Features & Benefits:
- Premium Cobalt Material: A hypoallergenic and scratch-resistant metal with a stunning white finish that rivals platinum.
- Polished Perfection: Gleaming polished finish reflects light for a striking, elegant appearance.
- Enduring Design: The flat-edge shape offers a contemporary look, while the 5mm band width provides a comfortable fit for long-term wear.
- Unisex Appeal: Suitable for both men and women, making it an ideal choice for couple's bands.
- Customizable: This ring can be engraved, allowing you to create a memorable and personalized touch.
- Includes Gift Pouch: Your band comes ready to gift in a sophisticated pouch—perfect for special occasions or as a keepsake.
Item Specifications:
- Material - Primary: Cobalt
- Material - Primary - Color: White
- Finish: Polished
- Band Width: 5 mm
- Ring Fit: Standard
- Sizeable: No
- Thickness: < 2 mm
- Item Weight U/M: gm
- Width of Item: 5 mm
- Engravable: Yes
- Packaging: Gift Pouch
- Product Type: Jewelry
- Jewelry Type: Rings
- Sold By Unit: Each
- Gender: Unisex
- Ring Type: Wedding Bands
- Edge Type: Flat
- Ring Shape: Flat
Make It Yours:
Whether you're searching for a stylish wedding band or a timeless statement piece, the Cobalt Flat Polished 5mm Band offers unmatched quality, resilience, and beauty. Its modern design combined with the durability of cobalt ensures it will stand the test of time—just like your love.
Don't wait—add this elegant band to your cart today and make it a part of your forever story.
| Identification | |
| SKU | SJQG-CC20-7 |
|---|---|
| Brand | Sophia Jewelers |
| Product Type | Rings |
Precious Metals
14k Gold (Most Popular) — 58.3% pure gold. The ideal balance of durability and color richness. Available in yellow, white, and rose gold. The standard choice for fine jewelry and everyday wear.
18k Gold (Premium) — 75% pure gold. Richer color, preferred for heirloom and engagement pieces where purity and depth of tone matter most.
10k Gold (Everyday Value) — 41.7% pure gold. The most durable gold alloy. Ideal for active wearers. Stamped 417 inside the band.
Sterling Silver (925) — 92.5% pure silver. Cool-toned and elegant. Best for occasional wear; develops a warm natural patina over time.
Platinum — Naturally white, hypoallergenic, and exceptionally durable. The premium choice for those with nickel sensitivities or who want a ring built to last generations.
Alternative Metals
Stainless Steel — Extremely durable, scratch-resistant, and hypoallergenic. Maintains its polish with minimal maintenance. A popular choice for mens wedding bands and everyday rings. Does not tarnish or corrode.
Cobalt Chrome — Four times harder than platinum and naturally white. Cobalt chrome rings are virtually scratch-proof, lightweight, and permanently polished. An excellent alternative to white gold for those who want lasting brilliance without rhodium replating.
Titanium — Exceptionally lightweight and incredibly strong. About 45% lighter than steel, titanium is hypoallergenic and corrosion-resistant. A practical choice for active wearers who prefer a lighter ring without sacrificing durability.
Tungsten Carbide — One of the hardest materials used in jewelry. Tungsten rings are highly scratch-resistant and hold their polish indefinitely. Heavier than gold or titanium, which many wearers prefer for the substantial feel. Cannot be resized.
How to Find Your Ring Size
Finding your ring size is simple. Use one of these methods before purchasing.
Method 1: Measure an Existing Ring
Place a well-fitting ring on a ruler and measure the interior diameter in millimeters. Compare to our ring size chart.
Method 2: Measure Your Finger
Cut a thin strip of paper and wrap it snugly around the base of your finger. Mark where it overlaps, then measure in millimeters. Divide by 3.14 to get your diameter.
US Ring Size Reference
- Size 5 — 15.7mm
- Size 6 — 16.5mm
- Size 7 — 17.3mm
- Size 8 — 18.2mm
- Size 9 — 19.0mm
- Size 10 — 19.8mm
For the full printable chart, visit our Ring Size Guide page. If you are between sizes, size up. Most rings can be resized 1-2 sizes by a local jeweler after purchase.
How to Care for Your Ring
Fine jewelry deserves thoughtful care. These guidelines will keep your ring luminous for decades.
Daily Care
- Remove your ring before swimming, showering, or using cleaning products
- Apply lotion, perfume, and hairspray before putting on your ring
- Avoid wearing rings during gym workouts, gardening, or heavy-handed activities
Cleaning at Home
Mix a few drops of mild dish soap with warm water. Soak for 20-30 minutes, then gently scrub with a soft toothbrush. Rinse thoroughly and dry with a lint-free cloth. Safe for gold, platinum, and most gemstones. Avoid ultrasonic cleaners for pearls, opals, and emeralds.
Storage
Store rings individually in soft pouches or a compartmentalized jewelry box to prevent scratching.
Professional Care
Have your ring professionally cleaned and inspected once a year to check prong integrity and stone security.
Shipping
Free standard shipping on all orders over $99. Orders ship within 1-2 business days in insured, signature-required packaging.
- Standard Shipping: Free on orders over $99 (5-7 business days)
- Expedited Shipping: 2-3 business days (additional fee at checkout)
- Overnight Shipping: Next business day (available for select items)
A tracking number is emailed as soon as your order ships.
Returns and Exchanges
We offer a 30-day return policy on all unworn, unaltered rings in original condition with original packaging. Custom-engraved and resized rings are not eligible for return.
To begin a return or exchange, email info@sophiajewelers.com with your order number. Free return shipping provided for exchanges.
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Frequently Asked Questions
Everything you need to know about our rings, sizing, metals, and care.