Lab-Grown Diamond Buying Guide
Compare cut, color, clarity, carat weight, shape, dimensions and grading reports, then use a practical pre-order checklist.
Diamond & Ring Education
Clear product information makes it easier to compare a ring on its real characteristics. Use these guides to understand diamond quality, shapes, settings, gold, sizing, documentation and the policies that apply to your order.
AIMINIA’s current collection uses lab-grown diamonds. The term “lab-grown” identifies a diamond’s manufactured origin; it does not replace the 4Cs or a grading report. Every guide below is designed to separate measurable facts from personal preference.
Choose a diamond
Oval Ratio & Bow-Tie Effect
Understand what length-to-width ratio describes, what it cannot predict and how to evaluate an oval in realistic video.
Choose a setting and metal
4 Prongs vs. 6 Prongs
Compare the open appearance of four prongs with the additional contact points of six, including maintenance and shape considerations.
14K vs. 18K Gold
Learn how gold content can affect color, wear, price and alloy considerations. AIMINIA product pages show the solid 18K gold options currently available.
Prepare for your order
Ring Size Guide
Start with professional sizing, learn how to measure a correctly fitting ring and compare US sizes 3–12.
Production & Shipping Timeline
Review the current made-to-order estimate, dispatch process and tracked-delivery expectations.
Delivery, Resizing & Limited Warranty
Read the scope of AIMINIA’s delivery, eligible resizing and limited lifetime craftsmanship coverage.
Frequently Asked Questions
Find concise answers about production, delivery, returns, documentation, sizing and contacting customer care.
Compare ring styles
Browse all lab-grown diamond engagement rings, or compare oval, round, marquise, halo and three-stone collections.
Need help with a specific ring?
Send the product name, selected carat option, metal color and your question through the contact page. For order-related questions, include the order number when available.