Green Lantern Ring

The Emerald Oath

A legendary ring forged for those who stand against the dark. The Emerald Oath embodies willpower, courage, and a light that never fades. Built for collectors, crafted to last.

€39,99~~€49,99~~−20%

Taxes included · Free worldwide shipping

Collector-grade wearable replica
Antique-gold emblem with emerald enamel
Matte black band with engraved detailing
Made for display, cosplay and photography

Ring size 17mm

MYTHARMA · Ring size guide

Find your perfect fit

A relic should feel like it was made for you. Measure once, in under a minute — we'll tell you exactly which size to choose.

I · The size finder

Inside diameter of a ring that fits you

Measure straight across the inside of the ring, edge to edge.

Your MYTHARMA size —

With a ring

Take a ring that fits the finger you want.
Lay it on a ruler.
Measure the inside diameter in mm.

With a string

Wrap a string or paper strip around the base of your finger.
Mark where it overlaps.
Measure the length in mm.

II · The size chart

MYTHARMA	Circumference	FR / EU	US

Sizes refer to the ring's inside diameter. Conversions are approximate.

Between two sizes? Always choose the larger one.
Measure in the evening, when your fingers are warm — they are slightly bigger than in the morning.
Bold, wide band. This ring has a wide face, so it sits a little tighter than a thin band.
Big knuckles? Measure the knuckle too and pick the size that slides over it.

Quantity

Worldwide Shipping

Made to Order

Emerald Glow

Premium Build

Made to order in 1–4 days, delivered in 3–7 days. Worldwide shipping with full tracking.

Hall IV · The Relics

Forged with unbreakable will

Every line, every edge, every detail is crafted with purpose. The antique-gold emblem, the textured emerald enamel and the engraved matte black band come together in a piece that radiates power.

Iconic Emblem

Bold antique-gold frame around a layered emerald core.

Premium Construction

High-quality materials with a durable finish.

Emerald Enamel

Textured enamel that catches the light from every angle.

Versatile Use

Ideal for everyday wear, display, photography and cosplay.

The anatomy

Made by hand.
No two alike.

Every Emerald Oath is finished by hand, so the enamel texture and the gold edges catch the light a little differently on each one. No two are identical.

Material: Solid metal-alloy constructionWeighty enough to feel substantial in the hand, smooth enough to wear all day.
Finish: Antique gold & emerald enamelTextured green enamel set in a brushed gold-tone frame, on a matte black engraved band.
Construction: Made to order in our own workshopShaped, filled, polished and checked piece by piece — never a mass-produced trinket.
Use: Wearable for cosplay and everydayMade to be worn at conventions and shoots, and to stand out in any collection.