18K Yellow Gold Solitaire Round Cut Lab Diamond Engagement Ring | Fine Jewellery

Discover the refined elegance of our Solitaire Round Cut Lab Diamond Engagement Ring, beautifully crafted in 18K Yellow Gold and designed as a timeless symbol of love and commitment. Featuring a classic prong-set diamond, this ring highlights brilliance and simplicity with a modern touch of fine craftsmanship. Available in a versatile range of carat weights from 0.15ct to 0.33ct, it is the perfect choice for a meaningful proposal or everyday elegance.

Diamond Options

• Natural Diamond (F–G / VS–SI) – Earth-mined, certified, and UK hallmarked
• Lab-Grown Diamond (D / VVS) – Conflict-free, certified, and UK hallmarked
• Both options feature 100% real diamonds, graded to exceptional quality standards
• Available in all carat sizes ranging from 0.15ct to 0.33ct
• Choose your preferred diamond type at checkout — same elegant setting, same premium craftsmanship

Setting Details

• Classic solitaire design with a secure prong setting
• Designed to maximize light performance and enhance diamond brilliance
• Comfortable fit for everyday wear with a refined, minimal profile

Available Metals

Both Natural Diamond and Lab-Grown Diamond versions are available in all 7 premium metal options:

• 9K White Gold
• 9K Yellow Gold
• 9K Rose Gold
• 18K White Gold
• 18K Yellow Gold
• 18K Rose Gold
• 950 Platinum

Elegant, versatile, and timeless, this solitaire engagement ring is a perfect expression of love—ideal for proposals, anniversaries, or cherished milestones.

• Free UK Delivery Secure delivery is available across the UK on all jewellery orders.
• Made to Order Most jewellery pieces are carefully made to order and prepared with attention to detail.
• Delivery Estimate Please check the delivery estimate shown above for your selected item.
• Secure Packaging Your jewellery will be safely packed and dispatched with trusted courier partners.
• Returns We offer a 30-day return policy, provided the item is unworn, unused and returned in its original condition.
• Custom Jewellery Made-to-order, resized or customised items may have different return conditions.