How to Choose an Engagement Ring: A Complete Buying Guide

An engagement ring is one of the most meaningful pieces of jewellery you will ever buy. It should reflect your partner’s style, suit their lifestyle and feel worth every rupee, euro or dollar. Follow these seven steps and the decision becomes far simpler.

Step 1: Set a comfortable budget

Forget old rules about months of salary. Decide what feels comfortable, then let that number guide the trade-offs below. Remember that the diamond is usually the largest part of the cost, and that the type of diamond (natural or lab-grown) changes the price significantly. Read our guide to lab-grown vs natural diamonds before deciding.

Step 2: Learn their style

Look at the jewellery your partner already wears. Do they prefer yellow or white metal? Delicate or bold pieces? Classic or contemporary? Friends and family can be helpful allies here.

Step 3: Choose the diamond shape

Shape defines the look of the ring. Round is timeless and the most brilliant; oval and pear look larger and elegant; emerald and Asscher feel vintage; princess and radiant are modern. Our diamond shapes guide compares ten shapes side by side.

Step 4: Balance the 4Cs

Prioritise an excellent cut for sparkle, then choose an eye-clean clarity (VS1 or VS2 is ideal for most buyers) and a colour that suits the metal (G to H looks white once set, especially in yellow or rose gold). Our 4Cs guide explains each grade.

Step 5: Pick the metal

• 18KT gold: a rich colour with a good balance of purity and strength, the classic choice.
• 14KT gold: more durable for very active lifestyles and more affordable.
• Platinum: naturally white, dense and hypoallergenic.

Gold is available in white, yellow and rose. See our gold karat guide for the full comparison.

Step 6: Choose a setting style

• Solitaire: a single diamond; clean and timeless.
• Halo: a ring of small diamonds around the centre stone, adding sparkle and apparent size.
• Three stone (trilogy): past, present and future in one design.
• Side stone or pavé: diamonds set along the band for extra brilliance.
• Toi et Moi: two stones side by side, a romantic modern favourite.

Step 7: Get the ring size right

Borrow a ring your partner wears on the correct finger and have it measured, or ask a jeweller to size it. Fingers are slightly larger in the evening and in warm weather. If in doubt, choose a slightly larger size, which is usually easier to adjust.

Always insist on certification

A diamond grading report from a recognised laboratory (such as GIA, IGI or HRD Antwerp) confirms the stone’s 4Cs and, for lab-grown stones, its laboratory origin. Never buy an important diamond without one.

Checklist before you buy

1. Budget agreed
2. Natural or lab-grown decided
3. Shape and setting style chosen
4. Cut, colour, clarity and carat balanced
5. Metal and colour of gold selected
6. Ring size confirmed
7. Certificate included

Ready to start? Explore our engagement rings and wedding rings, or book a virtual appointment and our team will guide you through every option.

Frequently asked questions

How much should I spend on an engagement ring?

There is no fixed rule. Choose a budget that feels comfortable and use the 4Cs and the natural vs lab-grown decision to get the best ring within it.

Which metal is best for an engagement ring?

18KT gold and platinum are the most popular. 14KT gold is slightly harder and more affordable.

Should the wedding band match the engagement ring?

It does not have to, but choosing the same metal and checking that the two sit comfortably together is a good idea.

How long does a custom engagement ring take?

It depends on the design and the stone. Ask for the delivery estimate before ordering if you have a proposal date in mind.