The Square Solitaire — Round engagement ring brings a unique edge to a classic shape, featuring a lab-grown round-cut diamond in a structured square prong setting. Handcrafted in NYC with sustainable metals and made to order just for you.
Solitaire Rings
112 Reviews
Custom made just for you.
Please allow 2-3 weeks for us to handcraft your design.
Free shipping + free 30-day returns + lifetime guarantee
For any special requests, please email help@hiholden.com
FOR ALL OF OUR TOMORROWS
We donate 1% of all sales to The Trevor Project (with an annual minimum of $50,000).
RING SPECIFICATIONS
Ring Width
Ring Height
Ring Fit
CENTER STONE
Diamond Certification
MADE WITH LOVE IN NYC
RISK-FREE GUARANTEE
DIRECT-TO-YOU PRICING
Leave the Guesswork to Our Experts
Diamond shopping can be intimidating. That’s why our GIA-trained diamond experts are here to find the perfect lab-grown diamond for you.
Our Values
For Your Tomorrows
Our small team will help you find the perfect pieces to tell your love story. Made with lab-grown diamonds and 100% recycled precious metals, every item is guaranteed for a lifetime.
For Our Planet's Tomorrows
Your tomorrows begin with our planet’s tomorrows. As a Climate Label Certified company, we’ve measured and compensated for all of our carbon emissions since 2021.
For All of Our Tomorrows
Our entire collection is gender-neutral and designed to be worn by all. We’re proud to donate 1% of all sales (with a minimum annual donation of $50,000) to The Trevor Project.
PAIRS WELL WITH
Reviews
112 Reviews