Round Lab-Grown Diamond Engagement Rings
Explore round lab-grown diamond engagement rings with IGI-certified diamonds and free shipping across Australia. Choose a design below and customise it in our ring builder, or work directly with Brie to create your own.
Milan
Round three stone
from$1,239
Leona
Round halo
from$1,217
Kendall
Round bezel set solitaire
from$1,153
We design custom engagement rings
“The ring turned out absolutely beautiful, even better than I imagined.”
Alejandro
Kaia
Round solitaire with 3/4 pavé band
from$1,246
Ruby
Round and pear three stone
from$1,196
Hailey
4 claw round solitaire
from$902
Monet
Round solitaire with hidden halo
from$1,117
Selena
Round and baguette three stone
from$1,181
Why choose Lily Dia for your round-cut ring?
Free custom design
Start with one of our rings or bring your own idea. Design revisions are included, so we can work through the details together.
Personal support from Brie
You work directly with Brie, by video call or email, from choosing your round diamond to approving your design.
Free shipping across Australia
Your finished ring arrives fully insured and tracked, with updates along the way.
Certified round-cut diamonds
Our round-cut lab-grown diamonds come with an IGI grading report. GIA-graded diamonds are available on request. We check every diamond before it is set.
Learn about diamond certification
Our approach
We have a very hands-on bespoke process. You'll work with Brie to design and craft your dream ring. We make sure that this experience feels very special and tailored to you.
Consultation
Unlimited revisions
Made to order
Insured, fast shipping
Round diamond guide
Compare round brilliant cut quality, sparkle, settings and where buyers can save.
Round lab-grown diamond engagement ring FAQs
What couples say
“My boyfriend and I had the best experience at Lily Dia designing my dream engagement ring… My ring is gorgeous, I am blown away.”
“She took time to talk through the options with no pressure at all, and communication was excellent throughout the whole process! A 10/10, would recommend.”
“We cannot recommend Brie enough! She made the whole custom ring process amazing with her expert knowledge, incredible patience and ensuring the ring was perfect!”
“Had such a great experience! Highly recommend. Brie understood my wants/needs and really delivered. So happy!”
“You accompanied me throughout the entire process and were my partners in making my engagement ring come to life… The ring turned out absolutely beautiful, even better than I imagined.”
“Thanks for having so many phone calls to get it right, but you did and it was a great experience… their attention to detail is great and the quality of the ring was so high.”
“Brie was amazing. Process was seamless. Ring is stunning. Highly recommend!”
