18 K Gold Lab Diamond Stackable Wedding Band | Half Eternity Anniversary Ring
Exceptional brilliance. Structured light.
Free insured worldwide shipping
Made to order
Crafted individually
Production time: 14–19 business days
Please contact us directly should you require a ring in a size that is not shown on the website.
Timeless elegance for every occasion.
The SEÓRA Lab Diamond Half Eternity Ring is designed to be worn alone, stacked with your engagement ring, or paired with other bands to create a refined, personal ring stack.
Expertly crafted in solid 18K gold and set with brilliant D Color, VVS1 lab-grown diamonds, this elegant half eternity band delivers exceptional brilliance with a clean, minimalist silhouette designed to last a lifetime.
Whether chosen as a wedding band, anniversary ring, stacking ring, or an everyday luxury piece, it offers timeless sophistication for every moment.
Stone Width Options
• 1.0 mm
• 1.2 mm
• 1.5 mm
• 1.7 mm
• 2.0 mm
• 2.5 mm
Available Options
✓ Full Eternity version available
✓ Multiple diamond sizes available
✓ Custom engraving available
Details
Custom Orders
Looking for a different size, metal or stone? Most SEÓRA rings can be personalised and made to order.
• Ring sizes beyond the listed options
• Alternative metals, including sterling silver, 10K, 14K, 18K, 22K, 24K gold and platinum
• Moissanite, lab-grown or natural diamond options.
• Custom stone shapes, carat sizes
• Personal engraving available
Moissanite and diamond pieces are supplied with the corresponding certificate or authenticity documentation, depending on the selected stone.
Certification is provided for eligible center stones only. Pavé and accent stones are not individually certified. For designs without a center stone, certification is issued for the completed jewelry piece, specifying the total carat weight.
Contact us before ordering to create a ring tailored to your preferences.
Shipping & Packaging
Worldwide shipping
Made to order
Production time: 14–19 business days
In-stock pieces are dispatched within 1–2 business days.
Estimated delivery after dispatch:
- Greece: approximately 3-5 business days
Europe: approximately 5–10 business days
United States, Canada, Oceania & most international destinations: approximately 7–14 business days
Delivery times may vary depending on the destination country, customs clearance, and remote delivery locations.
Fully insured worldwide shipping with tracking and signature upon delivery.
International orders are shipped via FedEx.
Orders within Greece are shipped via ACS Courier.
Packaging
Delivered in SEÓRA luxury packaging.
• Luxury jewelry box
• Polishing cloth
• Care instructions card
• Stone certificate (where applicable)
Ready for gifting. Every order is carefully packed in secure protective packaging to ensure it arrives safely and in perfect condition.
RETURNS
Returns accepted within 14 days of delivery
Items must be unworn and in original condition
Customers are responsible for return shipping costs
Made-to-order pieces may be subject to a restocking fee
Learn more about our certification process, stone authenticity, and what is included with your order.
Explore the materials we use — from precious metals to moissanite and lab-grown stones.
Compare stone shapes and carat sizes to find the look and proportions you love most.
Discover Full Collection