About Us
Gem Stone King is a premier jewelry brand based in New York City, offering an exquisite collection of fine jewelry featuring lab-grown diamonds, moissanite, sapphires, and other stunning gemstones. With a legacy rooted in craftsmanship and trust, we’ve been bringing timeless elegance to customers for generations.
Every piece at Gem Stone King is carefully designed to reflect both classic sophistication and modern style, making it perfect for everyday wear or life’s most special occasions. Our collections include a wide range of rings, earrings, bracelets, and necklaces - crafted in precious metals such as 14K gold, 925 sterling silver, and platinum. We specialize in lab-grown diamonds and conflict-free gems, offering IGI-certified stones with exceptional clarity and brilliance - at prices that make luxury more accessible.
Our commitment goes beyond aesthetics. With free two-day shipping, lifetime warranty, and responsive customer care, we’re dedicated to providing an exceptional experience from purchase to forever. Whether you're searching for a sparkling engagement ring or a meaningful gift, Gem Stone King offers pieces that celebrate your story.
Join over 11,000 happy customers and experience why Gem Stone King is one of the most trusted names in gemstone jewelry.
How to Apply
What’s the fastest way to apply a Gem Stone King promo code?
Step 1: Use our quick-access list of Gem Stone King coupons above and click “GET CODE.”
Step 2: Shop as usual on the Gem Stone King website, then head to checkout.
Step 3: Paste your code in the “Promo Code” box, click “Apply,” and you’re done!
Frequently Asked Questions
Can Gem Stone King discount codes be used for sale or clearance items?
Some codes exclude sale items. Always check the conditions before applying.
Do Gem Stone King promo codes work for international orders?
It depends on the merchant. Some codes are region-specific, so always verify the eligibility in your location.
How many times can I use a Gem Stone King discount code?
Some codes are single-use, while others are reusable. The usage limit will be shown in the code details.
Do Gem Stone King coupons expire at midnight or earlier?
Some coupons expire at a set time zone or after reaching usage limits. It’s best to use them as soon as possible.
Why does the Gem Stone King coupon apply only to certain brands or products?
Merchants often limit codes to specific collections. Read the code terms to check eligible items.
Can I use Gem Stone King discount codes on gift card purchases?
Usually, promo codes do not apply to gift cards or digital credit. Refer to the Gem Stone King’s policy for confirmation.
Do I need to create an account to use Gem Stone King promo codes?
Not always. Many Gem Stone Kings allow guest checkout, but creating an account may unlock exclusive member-only coupons.