Diamond Guide

Everything You Need to Know Before Buying a Diamond

Diamonds are more than just sparkling stones — they are symbols of love, status, and timeless beauty. Whether you’re buying a diamond tiara, a bridal crown, or a pair of elegant earrings, understanding diamond quality is essential for making the right investment.

This Diamond Guide will walk you through all the essentials: the 4Cs of diamonds, diamond shapes, types of diamond cuts, certifications, and how to choose the perfect diamond based on your needs and budget.

1. Understanding the 4Cs of Diamonds

The quality and value of a diamond are determined by four primary factors known as the 4Cs:

a) Cut

Cut is the most crucial factor in determining a diamond’s brilliance. It refers to how well a diamond’s facets interact with light. A well-cut diamond will sparkle with intense fire and brilliance.

• Excellent Cut: Maximum sparkle

• Very Good Cut: Very high brilliance

• Good Cut: Adequate light reflection

• Fair/Poor Cut: Dull or less sparkly appearance

At Diamond Tiara Crown, we only use diamonds with high-quality cuts, especially rose-cut diamonds known for their antique charm.

b) Clarity

Clarity refers to the presence of internal (inclusions) and external (blemishes) imperfections in a diamond. The fewer the flaws, the more valuable the stone.

Clarity Grades:

• FL (Flawless)

• IF (Internally Flawless)

• VVS1/VVS2 (Very Very Slightly Included)

• VS1/VS2 (Very Slightly Included)

• SI1/SI2 (Slightly Included)

• I1/I2/I3 (Included)

We typically offer VS to SI clarity diamonds for a balance between affordability and beauty.

c) Color

The best diamonds are colorless, graded on a scale from D (colorless) to Z (light yellow or brown). Colorless diamonds (D–F) are the most valuable.

Color Grades:

• D–F: Colorless

• G–J: Near Colorless

• K–M: Faint Tint

• N–Z: Noticeable color

We ensure our diamonds fall within the D–J range for optimal brilliance and quality.

d) Carat Weight

Carat refers to the weight of the diamond, not its size. One carat equals 200 milligrams. While larger diamonds are more expensive, beauty isn’t only about size. A well-cut 0.50 ct diamond can shine brighter than a poorly cut 1.00 ct stone.

2. Types of Diamond Cuts

The cut style impacts the appearance, light reflection, and personality of your jewellery. Some common cuts include:

• Round Brilliant: Most popular; maximum sparkle

• Rose Cut: Vintage charm; flat bottom, domed top with triangular facets

• Princess Cut: Modern square shape; high brilliance

• Emerald Cut: Rectangular with step facets; elegant and understated

• Cushion Cut: Rounded corners, soft edges; classic beauty

• Pear, Marquise, Oval: Elongated, dramatic shapes perfect for tiaras and crowns

At Diamond Tiara Crown, we specialize in rose-cut diamonds — prized for their antique style and romantic allure, ideal for regal tiaras and vintage-inspired jewellery.

3. Diamond Shapes vs. Cuts

While “cut” refers to light performance and facet pattern, “shape” describes the diamond’s silhouette. Popular shapes include:

• Round

• Oval

• Heart

• Marquise

• Cushion

• Asscher

• Trillion

The choice of shape influences the overall design and look of your jewellery. Round shapes offer timeless appeal, while marquise or heart shapes add drama and flair.

4. Natural vs. Lab-Grown Diamonds

Modern buyers now have two primary options: natural diamonds and lab-grown diamonds.

Natural Diamonds

• Formed deep within the Earth over millions of years

• Unique inclusions and natural beauty

• Typically more expensive due to rarity

Lab-Grown Diamonds

• Created in high-tech labs using the same carbon structure

• Chemically and visually identical to natural diamonds

• Environmentally friendly and more affordable

At Diamond Tiara Crown, we offer natural rose-cut diamonds in most of our tiaras and crowns, while also exploring certified lab-grown options upon request for sustainable luxury.

5. Diamond Certification and Authenticity

Always insist on a certified diamond. Certification is a third-party verification that guarantees the stone’s quality based on the 4Cs.

Common certification authorities include:

• IGI (International Gemological Institute)

• GIA (Gemological Institute of America)

• SGL (Solitaire Gem Labs)

• BIS Hallmark (for metal purity in India)

All diamonds at Diamond Tiara Crown are certified and verified. We also provide BIS hallmarking for our 925 sterling silver jewellery.

6. How to Choose the Right Diamond

Selecting a diamond depends on the occasion, budget, and the style of jewellery. Here’s a simple guide:

Remember: cut and brilliance matter more than size when it comes to visual beauty.

7. Caring for Diamond Jewellery

To keep your diamonds looking radiant:

• Store in a soft, separate pouch or box

• Clean gently with a soft brush and mild soap

• Avoid harsh chemicals or ultrasonic cleaners for rose-cut or vintage settings

• Inspect prongs and settings regularly for wear

Our packaging includes care instructions and anti-tarnish pouches for long-lasting brilliance.

8. Common Diamond Myths Debunked

Let’s clear up some misconceptions:

• Myth: Bigger diamonds always sparkle more
  Fact: Cut quality, not size, determines sparkle.

• Myth: Lab-grown diamonds are fake
  Fact: They are real diamonds with the same structure and brilliance.

• Myth: Diamonds are indestructible
  Fact: Though hard, diamonds can chip or crack with impact.

9. Why Buy from Diamond Tiara Crown?

• ✅ 100% Certified Diamonds

• ✅ Specialized in Rose-Cut & Vintage Jewellery

• ✅ Sterling Silver with Hallmark Purity

• ✅ Worldwide Shipping

• ✅ Custom Design Support

Each piece in our collection is crafted with precision and passion to bring your royal vision to life.

Final Thoughts

A diamond is more than a gemstone — it’s a personal statement, a celebration, and an heirloom in the making. We hope this guide has helped you understand how to choose, evaluate, and care for your diamond jewellery.

At DiamondTiaraCrown.com, we’re here to guide you every step of the way — whether you’re buying your first diamond tiara or designing a custom crown for your big day.