
Lab-Grown Diamond Engagement Rings
Explore 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.

Hailey
4 claw round solitaire
from$901

Kendall
Round bezel set solitaire
from$1,151

Kaia
Round solitaire with 3/4 pavé band
from$1,243

Leona
Round halo
from$1,215
We design custom engagement rings
“The ring turned out absolutely beautiful, even better than I imagined.”
Alejandro

Milan
Round three stone
from$1,236

Monet
Round solitaire with hidden halo
from$1,115

Ruby
Round and pear three stone
from$1,193

Selena
Round and baguette three stone
from$1,179

Isabella
Oval solitaire
from$901
We design custom engagement rings
“She helped us create an engagement ring we will cherish forever.”
Jonathon

Katy
Oval east-west solitaire
from$901

Blake
Oval bezel set solitaire
from$1,151

Frankie
Oval solitaire with 3/4 pavé band
from$1,243

Gabriella
Oval halo
from$1,215

Gia
Oval and round three stone
from$1,236

Olive
Oval and pear three stone
from$1,193

Rosie
Oval three stone
from$1,301

Sophia
Oval solitaire with hidden halo
from$1,115

Vienna
Oval halo with 2/3 pavé band
from$1,558

Celine
Emerald solitaire
from$901

Edyn
Emerald east-west solitaire
from$901

Karlie
Emerald bezel set solitaire
from$1,151

Ivy
Emerald solitaire with hidden halo
from$1,115

Juniper
Emerald three stone
from$1,229

Cara
Emerald and pear three stone
from$1,193

Josephine
Pear and emerald toi et moi
from$901

Marlee
Emerald halo with 2/3 pavé band
from$1,558

Poppy
Emerald solitaire with 3/4 pavé band
from$1,243

Gracie
Radiant solitaire
from$901

Billie
Radiant east-west solitaire
from$901

Bonnie
Radiant solitaire with 3/4 pavé band
from$1,243

Viola
Radiant and pear three stone
from$1,193

Zarah
Radiant solitaire with hidden halo
from$1,115

Zendaya
Radiant bezel set solitaire
from$1,151

Dakota
Pear halo with 3/4 pavé band
from$1,558

Lola
Pear halo
from$1,215

Millie
Pear bezel set solitaire
from$1,151

Paige
Pear solitaire with 3/4 pavé band
from$1,243

Rhay
Pear solitaire
from$901

Zia
Pear three stone
from$1,193

Adele
Elongated cushion solitaire
from$901

Mara
Cushion solitaire
from$901

Ahri
Cushion solitaire with hidden halo
from$1,115

Camila
Cushion halo with 3/4 pavé band
from$1,558

River
Cushion and pear three stone
from$1,193

Samara
Cushion halo
from$1,215

Margot
Marquise solitaire
from$901

Gigi
Marquise bezel set solitaire
from$1,151

Sophie
Marquise solitaire with 3/4 pavé band
from$1,243

Taylor
Marquise solitaire with hidden halo
from$1,115

Ziphora
Marquise halo
from$1,215

Ana
Princess solitaire with hidden halo
from$1,115

Skye
Princess solitaire
from$901
Why choose Lily Dia for your engagement 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 stone to approving your design.
Free shipping across Australia
Your finished ring arrives fully insured and tracked, with updates along the way.
Independently graded lab-grown diamonds
Our lab-grown diamonds come with an IGI grading report. GIA-graded diamonds are available on request, and we personally inspect each stone before it is set.
Learn about diamond certificationShop lab-grown diamond engagement rings by shape
Lab-grown diamonds have identical brilliance to a mined stone. They are a beautiful, affordable option that all of our customers absolutely love. See the different shapes below.
- RoundMaximum sparkle, AU's most-requested cut
- OvalElongates the finger, faces up larger
- CushionRounded corners, soft romantic glow
- Elongated cushionA longer outline with rounded corners
- EmeraldStep-cut clarity, vintage feel
- PrincessSquare shape, sharp modern lines
- PearDistinctive teardrop silhouette
- MarquiseElongated, regal profile
- RadiantBrilliant facets in a rectangular shape
Shop lab-grown diamond engagement rings by setting
The setting style holds your lab-grown diamond, controls how protected it sits, and shapes how the ring pairs with a future wedding band.
- Toi et MoiTwo centre stones, paired together
- CathedralArched shoulders supporting the setting
- SolitaireSingle stone, timeless format
- Three stone / TrilogyPast, present, future trilogy
- BezelStone wrapped in metal, low-catch
- East-westStone set horizontally
- HaloCentre stone framed in diamonds
- Hidden haloSparkle hidden beneath the crown
- PavéDiamond-set band, continuous shimmer
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
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!”











