Introducing The 18K Solid Gold 1.5 CT Radiant Diamond Promise Ring Thin Band Platinum Ring, a stunning symbol of love and commitment. This exquisite ring showcases a magnificent radiant diamond, expertly set to maximize brilliance and sparkle, making it a perfect choice for marking special occasions or as an engagement ring.
 
Crafted from high-quality 18K Solid Gold, the ring is available in white, rose, or yellow gold, allowing you to choose the perfect finish that complements her style. The band features a delicate design with a width of 1.60 mm and a thickness of 1.50 mm, offering a comfortable fit while maintaining its elegant appearance.
 
The diamond boasts VS-SI clarity and IJ color, ensuring exceptional quality and radiance. With both radiant and round stone shapes, this ring provides a unique twist on classic designs, making it a standout piece in any jewelry collection. Each ring comes with a BIS Hallmark, certifying its authenticity and superior craftsmanship.
 
Product Details :
 
Metal: 18K Solid Gold (Available in White, Rose, and Yellow Gold)
Band Width: 1.60 mm
Band Thickness: 1.50 mm
Diamond Details: VS-SI, IJ Color
Stone Shapes: Radiant and Round
Certifications: GIA & BIS Hallmarked
Shipping Time: 10-12 Business Days
Customer Support: Available via live chats and video calls.

Frequently Asked Questions
Is diamond durable enough for everyday wear?
Yes. Diamond rates 10 on the Mohs hardness scale, making this piece durable enough for daily wear.
How much does this diamond ring cost in solid gold?
At The Karat Store, this diamond ring starts at $4,902.3 in 10K gold, $5,530.8 in 14K gold, and $6,285 in 18K gold — all solid gold, not plated.
Should I choose 10K, 14K, or 18K gold for this piece?
18K gold (75% pure) has the richest color and softest feel. 14K gold (58.3% pure) is the most popular balance of durability and value. 10K gold (41.7% pure) is the most affordable and most scratch-resistant.
Is this solid gold all the way through, or just gold-plated?
This piece is solid gold throughout, not gold-plated — the karat purity runs all the way through the metal. Unlike plated jewelry, it won't flake, discolor, or expose base metal over time, and it carries a karat hallmark stamp as proof of authenticity.
Can this ring be resized?
Yes. Select your ring size from the dropdown before checkout. If you're unsure of your size, we recommend visiting a local jeweler for an accurate measurement.
How do I clean and care for this piece at home?
Clean gently with warm water, a mild soap, and a soft brush, then dry thoroughly. Avoid chlorine, harsh chemicals, and ultrasonic cleaners, and store it separately from other jewelry to prevent scratching.
Ring Silhouette: Band
Available Metal Colours: Yellow Gold, White Gold, Rose Gold
Available Ring Sizes: US 2 to US 13 in quarter-size increments (45 sizes)