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0.50–3.00ct centre stone
From £520
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Imperial Time · Kensington, London
Create your engagement ring in three simple steps. Start with a setting or a diamond, choose the remaining component, then review and complete your ring.
Your ring is selected, purchased and supported through Imperial Time UK Ltd, with specialist assistance available from our Kensington team.
Build your ring
Choose the next part of your ring Use the live controls below to continue your ring design.How to use the controls: Choose the options that matter most to you, then continue when you are ready.
Step 1 · Choose your setting
Filter the full Imperial Time setting collection by metal colour or platinum and centre-diamond shape. Then choose a design and select the available gold carat before continuing to live diamonds.
Loading settings…Ring images update to the selected metal/shape where that product image is available.
0.50–3.00ct centre stone
From £520
Setting only
Setting supplied without centre diamond
From £2,140
Setting only
Setting supplied without centre diamond
From £720
Setting only
Setting supplied without centre diamond
From £690
Setting only
Setting supplied without centre diamond
From £580
Setting only
Setting supplied without centre diamond
From £880
Setting only
Setting supplied without centre diamond
From £1,230
Setting only
Setting supplied without centre diamond
From £830
Setting only
Setting supplied without centre diamond
From £980
Setting only
Setting supplied without centre diamond
From £1,020
Setting only
Setting supplied without centre diamond
From £900
Setting only
0.50–3.00ct centre stone
From £3,920
Setting only
Setting supplied without centre diamond
From £690
Setting only
Setting supplied without centre diamond
From £1,480
Setting only
Setting supplied without centre diamond
From £970
Setting only
0.50–3.00ct centre stone
From £1,030
Setting only
Setting supplied without centre diamond
From £460
Setting only
0.50–3.00ct centre stone
From £620
Setting only
Setting supplied without centre diamond
From £570
Setting only
Setting supplied without centre diamond
From £1,170
Setting only
Setting supplied without centre diamond
From £720
Setting only
0.50–3.00ct centre stone
From £930
Setting only
0.50–3.00ct centre stone
From £3,100
Setting only
Setting supplied without centre diamond
From £700
Setting only
0.50–3.00ct centre stone
From £580
Setting only
Setting supplied without centre diamond
From £890
Setting only
Setting supplied without centre diamond
From £670
Setting only
Setting supplied without centre diamond
From £1,770
Setting only
Setting supplied without centre diamond
From £710
Setting only
Setting supplied without centre diamond
From £780
Setting only
Setting supplied without centre diamond
From £700
Setting only
Setting supplied without centre diamond
From £820
Setting only
Setting supplied without centre diamond
From £960
Setting only
Setting supplied without centre diamond
From £1,900
Setting only
Setting supplied without centre diamond
From £820
Setting only
Setting supplied without centre diamond
From £850
Setting only
Setting supplied without centre diamond
From £430
Setting only
0.50–3.00ct centre stone
From £670
Setting only
Setting supplied without centre diamond
From £480
Setting only
Setting supplied without centre diamond
From £450
Setting only
Setting supplied without centre diamond
From £750
Setting only
Setting supplied without centre diamond
From £810
Setting only
0.50–3.00ct centre stone
From £810
Setting only
Setting supplied without centre diamond
From £600
Setting only
Setting supplied without centre diamond
From £440
Setting only
Setting supplied without centre diamond
From £1,160
Setting only
Setting supplied without centre diamond
From £2,040
Setting only
0.50–3.00ct centre stone
From £2,470
Setting only
Setting supplied without centre diamond
From £1,650
Setting only
Setting supplied without centre diamond
From £1,670
Setting only
Setting supplied without centre diamond
From £420
Setting onlyYour selected setting
Gold settings are available in the carats supplied for the selected design; platinum is shown as 950 Platinum where available. Your chosen setting is carried into the guided Nivoda diamond stage, which then keeps the selected diamond and setting together through completion.
Engagement ring buying guidance
The ring builder above shows current diamonds, prices, compatible settings and available ring sizes. Open the guide that matches the decision you are making now.
The recognised GIA framework is the 4Cs: Cut, Colour, Clarity and Carat. Imperial Time uses the grading report as a useful fifth buying check; it is not an official fifth GIA “C”. Always use the individual diamond record for the actual stone's certificate, report number and specifications where supplied.
Cut quality describes how successfully a diamond's proportions and finish interact with light. For round brilliant diamonds in particular, cut can have a major effect on brightness, fire and sparkle.
For white diamonds, grades commonly run from D (colourless) down the alphabet as visible warmth increases. Ring metal and diamond shape can influence how colour appears to the eye.
Clarity grades describe inclusions and surface blemishes assessed under magnification. Two diamonds with the same clarity grade can still look different, so review the individual stone media and details.
Carat measures weight, not diameter. Shape and proportions influence how large a diamond looks face-up, so compare measurements as well as carat weight.
Where supplied, check the grading laboratory, report number and certificate information in the individual diamond record. Compare the actual stone information rather than relying on a title alone.
For many engagement-ring buyers, the strongest result comes from balancing visible beauty rather than maximising every grade. Start with the shape and approximate carat you like, then compare cut or light performance, colour, clarity, measurements and price together.
A higher paper grade is not automatically the best-looking diamond for every budget. Use the available images, videos, measurements and grading information where supplied, and ask Imperial Time for a second opinion when two stones are close.
Natural and laboratory-grown diamonds are both diamonds; the principal difference is origin. Natural diamonds form in the earth, while lab-grown diamonds are created in controlled conditions. Compare the individual stone's grading information, appearance, price and what matters most to you rather than choosing on terminology alone.
Shape changes the personality and apparent spread of a centre stone: round, oval, emerald, pear, cushion, radiant and other shapes can look very different at the same carat weight. Advanced filters such as fluorescence, polish, symmetry, table and depth can refine a shortlist, but should be considered alongside the complete stone rather than in isolation.
Kensington ring consultation
While you build, our Kensington team can help you compare the diamond, setting, metal and ring-size options before you make your final choice.
Visit Imperial Time
Monday–Friday: 10:00–18:00
Saturday: Appointment only
Sunday: Closed
Kensington · View on Google Maps
Metal changes the colour, feel, maintenance and price of an engagement ring. The purity keys below are general metal information; use the exact metal and compatibility options shown for the selected setting.
White metals such as white gold or platinum create a cool, bright frame around the centre stone. Yellow and rose gold add warmer contrast and can make the ring feel more traditional or distinctive. Your preference, skin tone, maintenance expectations and the selected diamond all matter more than a single “best” metal.
The exact manufacturing route varies by ring and manufacturer. Fine-jewellery settings may involve casting or forming metal components, assembly, stone setting, polishing and hand finishing. The selected setting specification remains the source of truth for the actual ring you select; Imperial Time does not infer a manufacturing method that is not supplied.
A solitaire keeps attention on the centre diamond. A halo surrounds the centre with smaller stones for greater visual presence; a hidden halo adds detail beneath the centre stone; side-stone designs add sparkle along the shoulders; and bezel-style settings frame more of the diamond's edge. Only compatible settings are shown for your selected stone.
All fine jewellery benefits from sensible care and periodic inspection. White-gold rhodium finishes can wear and may need refinishing over time; platinum can develop a natural patina; polished gold will also pick up surface marks through normal wear. If long-term maintenance is important to you, ask our Kensington team before ordering.
Kensington ring consultation
Before you order, our Kensington team can help you compare the diamond, setting, metal and ring-size options shown in your completed design.
Visit Imperial Time
Monday–Friday: 10:00–18:00
Saturday: Appointment only
Sunday: Closed
Kensington · View on Google Maps
Visit our flagship showroom in Kensington, London.
Your enquiry and purchase are with Imperial Time UK Ltd, supported by our Kensington team.
The builder keeps the diamond, setting, pricing and available ring-size choices connected throughout your design.
Review detailed stone specifications and certificate or report information where supplied.
Trusted by clients across the UK and internationally
Engagement ring FAQs
Practical answers for customers comparing diamonds, settings, metals and ring-size options.
Either route works. Start with the diamond if centre-stone shape, carat or grading is your priority. Start with the setting if you already know the ring style or metal you want. The builder keeps compatibility linked as you continue.
Compare the 4Cs—cut, colour, clarity and carat—alongside shape, measurements, price and the individual stone media. Where supplied, also review the grading laboratory and report information for the individual stone.
Not automatically. 18ct has a higher gold content, while 9ct and 14ct use a greater proportion of alloy metals. Appearance, price, wear, maintenance and the options available for your chosen setting should all influence the decision.
Yes. WhatsApp our team while you build or book a private appointment at 79 Kensington Church Street, London W8 4BG for specialist help comparing diamonds and ring settings.
Use only the ring-size options shown for the selected design. If you are unsure, have the intended finger measured by a jeweller or book a Kensington fitting before ordering.
Yes. The guided ring builder supports both natural and lab-grown diamond searches. The individual stone record provides the available grading and certificate information for each diamond.