3 Carat Diamond Engagement Rings
Striking the perfect balance between elegance and impact, these rings are designed for those who want their love to shine in a big way. Our 3 carat diamond ring collection showcases an exquisite range of cuts, settings, and styles, each crafted to highlight the beauty and brilliance of a larger stone.


18ct Yellow Gold - Emerald - Solitaire
Eden
from

Platinum - Round - Solitaire
Edith
from

18ct Yellow Gold - Marquise - Solitaire
Lucy
from

Platinum - Round - Accent
Amelia
from

18ct White Gold - Oval - Accent
Maddison
from

18ct Yellow Gold - Round - Accent
Ivy
from

18ct Yellow Gold - Marquise - Accent
Maya
from

18ct White Gold - Cushion - Halo
Colette
from

18ct Yellow Gold - Round - Solitaire
Nancy
from

18ct White Gold - Oval - Solitaire
Alexandra
from

18ct White Gold - Round - Trilogy
Simone
from

18ct Yellow Gold - Oval - Solitaire
Lucy
from

18ct Yellow Gold - Round - Solitaire
Lucy
from

18ct Yellow Gold - Oval - Solitaire
Elaine
from

Platinum - Oval - Solitaire
Edith
from

18ct Yellow Gold - Oval - Accent
Maya
from

18ct Yellow Gold - Round - Halo
Georgina
from

18ct White Gold - Pear - Halo
Colette
from

Platinum - Pear - Accent
Maya
from

Platinum - Oval - Solitaire
Elaine
from

Platinum - Pear - Halo
Sadie
from

18ct Yellow Gold - Cushion - Solitaire
Elaine
from

Platinum - Marquise - Accent
Maya
from

18ct Yellow Gold - Radiant - Accent
Millie
from

18ct Yellow Gold - Oval - Trilogy
Alice
from

18ct Rose Gold - Round - Accent
Ivy
from

18ct White Gold - Heart - Solitaire
Isabel
from

Platinum - Oval - Accent
Bethany
from

Platinum - Round - Solitaire
Alexandra
from

18ct Yellow Gold - Round - Solitaire
Lucy
from

Platinum - Round - Accent
Vanessa
from

18ct Yellow Gold - Radiant - Accent
Katerina
from

18ct Yellow Gold - Cushion - Accent
Zinnia
from

18ct White Gold - Round - Solitaire
Anastasia
from

18ct Yellow Gold - Emerald - Solitaire
Isla
from

18ct White Gold - Oval - Solitaire
Lucy
fromExplore Our 3 Carat Diamond Ring Collection
At DX Diamonds, we take pride in curating a selection of 3 carat diamond rings that showcase exceptional quality and refined style. Each piece is carefully selected to highlight the diamond’s natural brilliance, with settings that elevate its presence. From classic solitaire and pavé-accented bands to intricate halo settings and elegant trilogy designs, our 3 carat diamond rings offer a range of styles to suit every preference. For complete peace of mind, all our diamonds come with GIA certification, ensuring authenticity, precise grading, and trusted quality.
Find Your Dream Ring at DX Diamonds
We believe the experience of choosing an engagement ring should feel just as special as the proposal itself. Whether you're browsing engagement rings in Melbourne or engagement rings in Sydney, we offer personalised guidance to help you make the right choice. Our Melbourne and Sydney showrooms welcome you to explore our collection in person and discover the perfect 3 carat diamond ring in Australia. See the brilliance up close, try on different designs, and enjoy personalised guidance from our expert team. You can also try our online custom ring builder to create something truly personal. At DX Diamonds, it’s your ring, your rules.
FAQs
Absolutely. A 3 carat diamond is considered a luxurious and impactful size for an engagement ring. It offers a significant presence on the finger while still being wearable for daily life. It’s a popular choice for those looking to make a bold yet elegant statement.
Yes, a 3 carat diamond is definitely on the larger side compared to the average engagement ring (which typically features a 1 to 1.5 carat stone). It’s big enough to be eye-catching from across the room, making it ideal if you want a noticeable, glamorous look.
The price of a 3 carat diamond can vary significantly depending on the quality (cut, colour, clarity) and shape. At DX Diamonds, our 3 carat diamond ring prices vary, depending on the specifications of your setting, diamond, and other design details. We offer full transparency on pricing, so you can compare diamonds side by side and find the best option to suit your budget and style, with no surprises.
If you’re seeking value without compromising beauty, diamonds just under milestone weights (like 2.9 carats) can offer substantial savings while appearing nearly identical in size to their full carat counterparts. That said, with our transparent pricing model, even full 3 carat stones can offer excellent value compared to traditional retailers.
The marquise cut diamond typically looks the biggest due to its elongated shape and large surface area. Other cuts like oval and pear also appear larger than round diamonds of the same carat weight because of their elongated shape.
Solitaire, halo, and three-stone settings are popular choices for showcasing a 3 carat diamond’s size and brilliance. Solitaire emphasises the diamond's natural beauty, while halo settings add extra sparkle and perceived size. Trilogy settings offer a more elaborate look, symbolising past, present, and future