
Lab-Grown Diamond Engagement Rings
Discover Australia's latest premium lab-grown diamond engagement rings, custom made specifically for you in our boutique jewellery studio. Use the bespoke ring builder below, or contact us and we can make any ring you have in mind.

Hailey
4 claw round solitaire
from$915

Kendall
round bezel set solitaire
from$1,169

Kaia
round solitaire with 3/4 pavé band
from$1,263

Leona
round halo
from$1,234
We design custom engagement rings
“The ring turned out absolutely beautiful, even better than I imagined.”
Alejandro

Milan
round three stone
from$1,256

Monet
round solitaire with hidden halo
from$1,132

Ruby
round and pear three stone
from$1,212

Selena
round and baguette three stone
from$1,198

Isabella
oval solitaire
from$915
We design custom engagement rings
“She helped us create an engagement ring we will cherish forever.”
Jonathon

Katy
oval east-west solitaire
from$915

Blake
oval bezel set solitaire
from$1,169

Frankie
oval solitaire with 3/4 pavé band
from$1,263

Gabriella
oval halo
from$1,234

Gia
oval and round three stone
from$1,256

Olive
oval and pear three stone
from$1,212

Rosie
oval three stone
from$1,321

Sophia
oval solitaire with hidden halo
from$1,132

Vienna
oval halo with 2/3 pavé band
from$1,582

Celine
emerald solitaire
from$915

Edyn
emerald east-west solitaire
from$915

Karlie
emerald bezel set solitaire
from$1,169

Ivy
emerald solitaire with hidden halo
from$1,132

Juniper
emerald three stone
from$1,248

Cara
emerald and pear three stone
from$1,212

Josephine
pear and emerald toi et moi
from$915

Marlee
emerald halo with 2/3 pavé band
from$1,582

Poppy
emerald solitaire with 3/4 pavé band
from$1,263

Gracie
radiant solitaire
from$915

Billie
radiant east-west solitaire
from$915

Bonnie
radiant solitaire with 3/4 pavé band
from$1,263

Viola
radiant and pear three stone
from$1,212

Zarah
radiant solitaire with hidden halo
from$1,132

Zendaya
radiant bezel set solitaire
from$1,169

Dakota
pear halo with 3/4 pavé band
from$1,582

Lola
pear halo
from$1,234

Millie
pear bezel set solitaire
from$1,169

Paige
pear solitaire with 3/4 pavé band
from$1,263

Rhay
pear solitaire
from$915

Zia
pear three stone
from$1,212

Adele
elongated cushion solitaire
from$915

Mara
cushion solitaire
from$915

Ahri
cushion solitaire with hidden halo
from$1,132

Camila
cushion halo with 3/4 pavé band
from$1,582

River
cushion and pear three stone
from$1,212

Samara
cushion halo
from$1,234

Margot
marquise solitaire
from$915

Gigi
marquise bezel set solitaire
from$1,169

Sophie
marquise solitaire with 3/4 pavé band
from$1,263

Taylor
marquise solitaire with hidden halo
from$1,132

Ziphora
marquise halo
from$1,234

Ana
princess solitaire with hidden halo
from$1,132

Skye
princess solitaire
from$915
Certified stones
LILY DIA uses the highest quality certified stones from only trusted providers. We hand check every diamond to make sure it meets our standards.

Shop 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
- 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 by Hand
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!”










