Diamond Guide

Diamonds carry meaning far beyond their sparkle. They mark milestones, hold promises, and become part of our everyday lives. This guide is here to help you choose with confidence — whether it’s your first diamond, a gift to celebrate love, or a piece you’ll wear every day.

Table of Contents

  1. Understanding Diamonds
    – The Four Cs: Cut, Colour, Clarity, Carat
    – Certification & IGI Trust

  2. Why Lab-Grown?
    – The science behind modern diamonds
    – A brief history of lab-grown innovation
    – Ethical and sustainable benefits

  3. Choosing for the Moment
    – Weddings & engagements
    – Anniversaries & birthdays
    – Graduations & achievements
    – Couple rings & friendship pieces
    – Special memories (yes, even for pets)

  4. The Black Mango Promise
    – Diamonds for every day
    – Responsible luxury
    – Global sourcing, Australian roots

1. Understanding Diamonds

The Four Cs

  • Cut – The most important of all. A well-cut diamond maximises brilliance, making light dance through every facet. Even a smaller carat shines brighter with the right cut.

  • Colour – Diamonds range from colourless to warm shades. The closer to colourless, the rarer — but a faint tint can bring unique charm.

  • Clarity – Every diamond carries natural features called inclusions. Higher clarity means fewer, but all Black Mango stones are hand-selected for beauty visible to the eye, not just the certificate.

  • Carat – The measure of weight, not just size. A 1-carat diamond can look larger or smaller depending on cut, so it’s about balance, not just numbers.

Certification & IGI Trust

Every Black Mango diamond — even the small stones in tennis bracelets and necklaces — comes with IGI certification. The International Gemological Institute is one of the world’s leading authorities, ensuring your diamond is genuine, authentic, and graded to the highest standards.

2. Why Lab-Grown?

The Science

Lab-grown diamonds are created using advanced technology that replicates the Earth’s process: carbon atoms bonding under heat and pressure to form a crystal lattice. Two main methods are used — HPHT (High Pressure, High Temperature) and CVD (Chemical Vapor Deposition). The result? Diamonds with the same composition, brilliance, and hardness as mined stones.

A Brief History

For centuries, diamonds were seen as rare miracles of nature. In the 20th century, scientists finally achieved what alchemists only dreamed of: growing diamonds above ground. Today, lab-grown diamonds represent the cutting edge of innovation — proof that beauty and responsibility can coexist.

Ethical & Sustainable

No mines, no conflict, no hidden costs to people or planet. Lab-grown diamonds are guilt-free luxury — giving you the sparkle you love without compromise.

100% Diamond, 100% Authentic

Lab-grown diamonds aren’t imitations or “almost diamonds.” They are diamonds in every way — the same chemical composition, the same crystal structure, the same brilliance and hardness as those formed deep underground. The only difference is where they are created: advanced laboratories that replicate nature’s process without the environmental and ethical costs of mining.

How They’re Made

Natural diamonds are formed over billions of years, deep in the Earth’s mantle, under extreme pressure and heat. Mining brings them to the surface — but at enormous environmental and social cost.

Lab-grown diamonds skip the mining. Using two advanced methods — HPHT (High Pressure, High Temperature) and CVD (Chemical Vapor Deposition) — scientists replicate the same natural conditions inside a controlled lab. Carbon atoms bond together in a crystal lattice, exactly as they do underground, producing a diamond that is identical in every way to a mined stone.

The result? A diamond with the same sparkle, strength, and fire as any mined diamond — only without the damage to people and planet.

Certified Trust

We go further than most. Our diamonds — even in intricate tennis bracelets where dozens of small stones are set — are IGI certified. The International Gemological Institute is one of the world’s most trusted authorities, ensuring that every diamond you purchase is proven genuine, sustainable, and of the highest quality.

 

3. Choosing for the Moment

Diamonds are for more than just weddings. They’re companions to every step of life:

  • Weddings & Engagements – A solitaire engagement ring, a wedding band set, or bespoke designs that begin your story.

  • Anniversaries & Birthdays – Tennis bracelets, diamond hoops, or pendants to celebrate another year of love and life.

  • Graduations & Achievements – A subtle diamond pendant or ring to mark the next chapter.

  • Couple Rings & Friendships – Matching bands or bracelets to carry your connection every day.

  • Special Memories – Some customers even create diamond tags for beloved pets — because love deserves to shine in every form.

4. The Black Mango Promise

Diamonds should not be limited to a single wedding day. They should be present at every birthday, every anniversary, every graduation, and every promise you make along the way.

Our jewellery is designed for everyday wear — timeless, ethical, and accessible. With Australian roots and a global network spanning Seoul, Osaka, Shanghai, New York, Antwerp, and beyond, we bring you diamonds you can believe in: modern, sustainable, and crafted to last.

At Black Mango, we believe luxury and responsibility should go hand in hand. That’s why we embrace sustainable lab-grown diamonds — the modern alternative to mined stones.