Buy 1.5 carat radiant cut diamond ring
Our 1.5 carat radiant cut diamond rings are designed for those who want maximum sparkle with a modern edge. Whether you choose a natural diamond, a lab-grown diamond, or moissanite, the radiant cut delivers brilliance with a refined, rectangular shape that flatters every hand. Paired with solid 14K or 18K gold, this ring is the perfect balance of bold and timeless.
Each piece is made using 100% real gold and certified stones, handcrafted to perfection, and shipped securely to your door in the USA within 12 to 22 days. Every order includes a gold purity stamp, gemstone certification, and tamper-proof packging.
14k Solid Gold 1.5 CT Radiant Natural Diamond Promise Ring Thin Band Platinum Ring
14K Solid Gold Promise Ring with 1.5 CT radiant and round natural diamonds. GH color, VS-SI clarity. GIA & BIS certified. Thin 1.60 mm band.
18K Solid Gold 1.5 CT Radiant Natural Diamond Promise Ring Thin Band Platinum Ring
18k Solid Gold Promise Ring with 1.5 CT radiant and round natural diamonds. GH color, VS-SI clarity. GIA & BIS certified. Thin 1.60 mm band.
History, Types, Cultural Significance Of 1.5 carat radiant cut diamond ring
With its signature trimmed corners and dazzling step-brilliant hybrid cut, the radiant cut is one of the most brilliant fancy shapes available. At 1.5 carats, it offers a bold look and strong presence without being too overpowering. Its rectangular silhouette makes it ideal for those who love clean lines and contemporary elegance.
At The Karat Store, you can choose from:
GIA-certified natural diamonds – Unique, rare, and timeless
IGI-certified lab-grown diamonds – Eco-conscious and visually identical to mined stones
GRA-certified moissanite – Brilliant, durable, and affordable
Style options: Solitaire, hidden halo, three-stone, east-west, pave band
Gold choices: 14K and 18K solid gold in yellow, white, or rose
Stone shapes: Radiant cut center with optional accents
This is the perfect engagement or statement ring for someone who appreciates modern brilliance with vintage inspiration.
Quality of Material Used
Each 1.5 carat radiant cut diamond ring is crafted exclusively in solid 14K gold or 18K gold. We never use plated or gold-filled metals. Solid gold provides lasting color, structural integrity, and premium presence that complements the dynamic faceting of a radiant cut. Every ring is stamped with a 14K or 18K hallmark to confirm purity.
The gold alloy is carefully balanced to offer strength for secure stone setting while remaining comfortable for everyday wear. Designed for enduring beauty, these rings maintain both structural stability and refined elegance over time.
All diamonds are ethically sourced and selected for precision cut, clarity, and balanced light performance that highlight the radiant cut’s signature brightness.
Certifications Provided
Every 1.5 carat radiant cut diamond ring in our collection features a GIA Certified natural diamond. The Gemological Institute of America provides independent grading of cut, color, clarity, and carat weight, offering documented assurance of quality and long-term confidence.
Certification affirms that your diamond meets objective standards and protects its long-term value. In addition to GIA documentation, each ring includes a gold purity hallmark and a complete invoice detailing material specifications for full transparency.
Purchasing certified natural diamond jewelry ensures ethically sourced stones, verified authenticity, and confidence backed by trusted industry standards.
Craftsmanship
Each 1.5 carat radiant cut diamond ring is handcrafted fine jewelry created by skilled artisans in Hong Kong. The radiant cut requires precise alignment and secure setting techniques to maximize brilliance and protect its distinct corners.
Our artisans use meticulous prong and secure setting methods tailored to the radiant cut’s geometry. Every ring undergoes a multi-stage polishing process to achieve a smooth, luxurious finish that enhances both comfort and brilliance.
Before being shipped across the USA, every piece completes a rigorous multi-step quality inspection. Stone placement, structural integrity, and finishing details are carefully evaluated to ensure heirloom worthy construction.
Frequently Asked Questions
1. How big is a 1.5 carat radiant cut diamond?
A typical 1.5 carat radiant cut measures around 7.5 x 6.0 mm, depending on proportions and depth.
2. Is the ring made with real gold?
Yes. We use only 100% solid 14K or 18K gold, never plated or gold-filled.
3. Are the diamonds and moissanite certified?
Yes:
GIA for natural diamonds
IGI for lab-grown
GRA for moissanite
4. Can I customize the setting or stone size?
Absolutely! We accept custom orders for stone shape, gold tone, band style, and setting.
5. Is the ring hypoallergenic?
Yes. Our gold is nickel-free and hypoallergenic, perfect for everyday wear.
6. What is the delivery time to the USA?
Shipping takes 12 to 22 days from dispatch. Tracking is provided with every order.
7. Do you offer free shipping?
Yes. All orders come with free, insured, and trackable shipping within the USA.
8. What’s the difference between 14K and 18K gold?
14K is more durable and scratch-resistant.
18K has higher gold purity and a deeper, richer hue.
9. Can I return the ring?
Returns are accepted for damaged or incorrect items only. Please email contact@thekaratstore.us within 7 days of receiving your item.
10. Will the ring be hallmarked?
Yes. Every ring is stamped with 14K or 18K gold purity, depending on your choice.
Explore Popular Styles
Discover popular diamond cuts and engagement ring settings that enhance the bold brilliance of a 1.5 carat radiant cut center stone.
