Lab-Grown Diamond Halo-Style Pendant

This engagement ring setting tool, designed by a woman-owned studio in Williamsburg, Brooklyn, helps you find your perfect fit for lab-grown diamond rings. Crafted to ensure your ring size is precise, it supports your journey toward a custom-made, conflict-free treasure starting from $2.99. This simple yet essential ring sizer is your first step in selecting an ethically sourced, IGI and GIA certified ready ring setting.

While not made of precious metal, this ring sizer embodies Haejin Jewelry’s commitment to thoughtful design and quality. It is a carefully measured tool that helps you determine the ideal ring size for the delicate, whisper-fine prongs and sleek shanks typical of our 100% recycled solid gold settings. Your measurements will guide the crafting of the ring that cradles your lab-grown diamond with confidence.

Every piece from Haejin Jewelry is made to order in Brooklyn with a focus on ethical sourcing and sustainability. We specialize exclusively in lab-grown diamonds, never mined, reflecting our dedication to conflict-free beauty and environmental responsibility. Our ring sizer is an essential companion in this process, ensuring your ring setting fits flawlessly and feels intimate to your lifestyle.

Designed for those who value precision and ethical luxury, this ring sizer accommodates a wide range of sizes, making it perfect for anyone beginning their engagement ring journey. It is lightweight, easy to use, and a trustworthy guide to your bespoke ring experience.

Every piece is made to order. Once your order is placed, we'll send you a confirmation email with your estimated completion date. Most orders ship within 2 to 3 weeks — and we'll notify you immediately when yours is on its way.

• Tool for engagement ring setting sizing
• Compatible with all lab-grown diamond shapes and sizes
• Starts from $2.99
• Essential for precise sizing before custom order
• Supports 100% recycled solid gold ring crafting