...”Personalised Jewellery, Designed with You in Mind”
At JaCoba Custom Jewellery, we believe jewellery is more than an accessory—it’s a reflection of your story, your love, and your most meaningful moments. With over 50 years of combined experience, our founders bring a wealth of knowledge, passion, and a deeply personal approach to every bespoke piece.
Specialising in engagement rings, timeless wedding bands, and fine jewellery, we work one-on-one with you, virtually or in-person, to design pieces that are as unique as you are. We guide you through every design detail and work with the finest craftsmen, ensuring your piece stands the test of time in both beauty and enduring quality.

Bespoke Engagement Rings

A Ring as Unique as Your Love

At JaCoba Custom Jewellery, we believe your engagement ring should tell your story. Whether you arrive with a clear vision or are just beginning the journey, we work with you every step of the way to bring your dream ring to life—creating a piece that’s as personal and enduring as the love it represents.
We offer a wide selection of ethically sourced natural and lab-grown diamonds, as well as a variety of exquisite gemstones,
allowing you to choose the perfect stone that aligns with your values and style.

Freedom to Choose What’s Right for You

At JaCoba Custom Jewellery, we believe every love story—and every diamond—is unique. That’s why we proudly offer both naturally mined and lab-grown diamonds, giving you the freedom to choose the stone that best reflects your values, budget, and vision. During your personalised design consultation, we’ll guide you through the differences, helping you understand the nuances so you can make an informed and confident decision.

The Enduring Allure of Natural Diamonds

Formed over billions of years deep within the Earth, natural diamonds hold a rare and timeless beauty that many clients are drawn to for their sense of tradition and connection to nature. Their individuality, shaped by geological history, means no two are exactly alike. Natural diamonds often hold strong emotional and symbolic value, and their long-established place in fine jewellery makes them a cherished choice for those seeking something truly classic and enduring.

The Modern Appeal of Lab-grown Diamonds

Lab-grown diamonds offer the same physical, chemical, and optical properties as natural diamonds but are created above ground in controlled environments using advanced technology. They’ve become
an increasingly popular choice for clients seeking greater size or sparkle within a particular budget without compromising on quality.

For some, the transparency of origin and innovative creation process make lab-grown diamonds an appealing choice. No matter your preference, we’ll ensure your diamond is ethically sourced, certified, and perfectly suited to your design.

Explore Our Engagement Ring Styles

Halo and Hidden Halo

custom design oval engagement ring emu plains sydney
A circle of accent stones
that enhance the centre stone’s brilliance

Classic Solitaire

A single, stunning diamond
that embodies elegance and simplicity.

Side Accent Stones

Delicate diamonds or gemstones flanking the centre stone,
adding extra brilliance and depth to the design.

Vintage-Inspired Designs

Intricate details and mill-grain edges
that evoke timeless romance.

Three-Stone Trilogy

Symbolizing your past, present,
and future together.

Modern Minimalist

Sleek lines and understated
elegance for a contemporary look.

We come to you

Our bespoke process is designed to be as seamless and meaningful as possible.
Located in Sydney, we offer both virtual and in-person consultations, guiding you with warmth, expertise, and a genuine passion for our craft.
Each ring is meticulously crafted, ensuring exceptional quality and attention to detail.

Colour Your Love Story

Who says an engagement ring has to be traditional? At JaCoba Custom Jewellery, we believe your ring should reflect you—bold, romantic, unexpected, or anything in between.
Our coloured gemstone engagement rings are as vibrant and varied as your imagination, offering endless possibilities to make your love story truly one of a kind.
From dreamy sapphires and radiant rubies to unexpected choices like tourmaline, spinel or aquamarine, we’ll guide you through a world of colour, helping you find a gemstone that speaks to your heart and suits your lifestyle.
But beauty isn’t just skin-deep. Not all gemstones are created equal—some are softer and more delicate, requiring a little extra care over time. That’s where we come in. With decades of expertise, we’ll walk you through the details of each stone’s characteristics, helping you make a confident, informed choice that balances personal style with long-lasting wear.
Whether you're after timeless elegance or something totally unconventional, we’re here to create a piece that’s as unique, colourful, and unforgettable as your love.

Wedding Rings

Symbols of Your Ever After

At JaCoba Custom Jewellery, our wedding rings are more than just a finishing touch—they’re a lifelong symbol of commitment,
partnership, and shared moments yet to come.
Whether you're drawn to the timeless elegance of a classic band, the refined sparkle of diamond accents, or a design that perfectly complements your engagement ring, we’ll guide you in creating a piece that feels uniquely yours. Choose from an array of precious metals, fine finishes, and custom design options to bring your vision to life.
Our rings are crafted using only ethically sourced materials and made either in-house or by our trusted Australian partners, ensuring every piece is created with care, precision, and enduring quality.
For him, for her, for them—our bespoke process allows you to personalise every detail, from subtle texture to engraved
messages, making your rings as meaningful as the vows they represent.
Let us help you craft the perfect symbol of your forever love.

Celebrate

LOVE

Love is Love

At JaCoba Custom Jewellery, we celebrate love in all its forms. Whether you're planning a proposal, marking your union, or designing matching bands that reflect your unique bond, we’re here to help you create pieces that feel authentically you.
We proudly work with LGBTQ+ couples to design engagement and wedding rings that honour your story—without rules, without limits. From complementary designs to bold, expressive statements, every ring is crafted with care, intention, and meaning.

Everyday Jewellery,
Your Way

At JaCoba Custom Jewellery, we believe that the perfect accessory is more than just an adornment—it’s an expression of your unique style and story. Whether you're
seeking a timeless diamond pendant, a pair of earrings, or a classic tennis bracelet, we offer a curated selection that combines elegance with personal flair.
We understand that every individual has their own vision and budget. That's why we offer both bespoke designs and sourced pieces, ensuring a wide range of choices to suit your preferences. Whether you're commemorating a milestone, seeking a gift, or simply indulging in self-expression, we are here to guide you through the selection process with expertise and care.
JaCoba Custom Jewellery

We are Mobile

By Appointment Only

Michelle Le Breton
connect@jacobajewellery.com.au Michelle: 0406 674 380 michelle@jacobajewellery.com.au
PO Box 356 EMU PLAINS NSW 2750