Shop All – Promise by Effy

Sparkle Now, Pay Over Time.

Free Shipping on Domestic Orders.

Join Our Newsletter to Get 10% Off Your First Purchase.

© 2025 Promise by Effy, All rights reserved.

Bag ⁰

Your bag is currently empty.

Trending Now

Quick view

The Everyday 1tcw Stud Earring $495 /

White

Yellow

Available in 2 colors
Quick view

Duo Bypass Ring with Marquise Lab Diamonds $830 /
Quick view

Twist Stacking Ring with Princess Lab Diamond $855 /
Quick view

Stud Earring with Asscher Cut Lab Diamonds From $875 /

White

Yellow

Rose

Available in 3 colors
Quick view

Stud Earring with Oval Cut Lab Diamonds From $875 /

White

Yellow

Rose

Available in 3 colors
Quick view

Stud Earring with Round Cut Lab Diamonds From $875 /

White

Yellow

Rose

Available in 3 colors
Quick view

Stud Earring with Rose Cut Lab Diamonds From $875 /

White

Yellow

Rose

Available in 3 colors
Quick view

Line Stacking Ring with Marquise Lab Diamond $910 /
Quick view

Duo Bypass Ring with Round Lab Diamonds $935 /
Quick view

Duo Spiral Ring with Round Lab Diamonds $945 /
Quick view

Stud Earring with Elongated Old Mine Cut Lab Diamonds From $950 /

White

Yellow

Rose

Available in 3 colors
Quick view

Stud Earring with Hexagon Cut Lab Diamonds From $950 /

White

Yellow

Rose

Available in 3 colors

Liquid error (layout/theme line 132): Could not find asset snippets/hulkappsWishlistPopup.liquid