04 · April · Diamond / White sapphire / White topazRepresentative photograph. Natural stones vary in colour and inclusions from piece to piece — yours will not be identical to this one.

Lab-Grown Diamond Stud Pair 0.20 ct TCW — 9ct Gold
Two lab-created diamonds, 0.20 ct total carat weight across the pair.
Coloured stones are natural material. Colour, tone, inclusion pattern and — on cabochons and uncut pieces — outline and size differ from one to the next. Two pieces of the same reference will not be identical.
Gem declaration
Stated in full before you buy — what these terms mean
- Species
- Diamond
- Origin
- Lab-created (synthetic)Grown in a laboratory. Chemically and optically the same material as its natural counterpart, made by people rather than found.
- Treatments
- UntreatedCut and polished only. Nothing has been added to or done to this stone.
- Carat
- 0.10 ct each — 0.20 ct across 2 stones
- Size
- 3.0 mm round brilliant, each
- Mohs hardness
- 10
- Wear grade
- Suitable for daily wear
- Note
- Laboratory-grown. Total carat weight across the pair is 0.20 ct.
Total carat weight0.20 ct TCWThis is the combined weight of all 2 stones in the piece, not the weight of any single stone.
Wearing it
Suitable for daily wear
- Remove before contact sports and heavy manual work
- Remove before swimming pools and hot tubs — chlorine attacks the metal, not the stone
Metal
- Metal
- 9ct yellow gold
- Fineness
- 375
- Net metal weight
- 1.20 g
- Hallmark
- Hallmarked at the London Assay OfficeSponsor’s mark, 375 millesimal fineness mark and the assay office town mark are struck on the piece. How to read them.
- Plating
- None — solid metal throughout, not plated, filled or coated
- Nickel release
- Nickel-safe, tested to UK REACH limitsThis item is inserted into a pierced ear, so it is tested against the 0.2 µg/cm²/week release limit for post-assemblies. It also meets the lead limit of 0.05 % and the cadmium limit of 0.01 %. We do not describe any item on this site as suitable for every skin, because no material can be.
Cleaning limits for this piece
- Warm water, a drop of plain washing-up liquid and a soft brush. Rinse and dry fully before storing.
Full method on the care guide.
Add to your basket
- Price and VAT
- £450 including VAT at the applicable UK rate. Delivery is charged separately and shown in full before payment.
- Delivery
- Tracked UK delivery from £4.95, free over £120. Dispatched within two working days. Delivery and shipping restrictions.
- Changing your mind
- 14 days from delivery to change your mind. Pierced earrings cannot be returned once the hygiene seal has been opened. Your rights if the item is faulty are unaffected. Returns, refunds and the withdrawal form.
About this piece
0.20 ct is the total carat weight across both stones — roughly 0.10 ct each — not the weight of a single stone. Both diamonds are lab-created and labelled as such. Settings, posts and backs are solid 9ct gold and the pair carries a UK hallmark at 1.2 g, over the 1 g exemption.
Total carat weight across all 2 stones: 0.20 ct. The wear grade shown for the piece as a whole is daily, because a piece is only as forgiving as its softest stone.
The rest of April
See the whole line
04 · AprilLab-Grown Diamond Pendant 0.25 ct — 9ct Gold
A 0.25 ct lab-created diamond in solid 9ct gold. Grading report supplied.
- Lab-created (synthetic)
- Untreated
- Mohs
- Wear
- —
- Daily
£390incl. VAT
04 · AprilWhite Sapphire Stud Pair 4 mm
Colourless corundum at Mohs 9 — the daily-wear stud in this catalogue.
- Natural
- Heated
- Mohs
- Wear
- 9
- Daily
£105incl. VAT
1.40 ct total carat weight
04 · AprilWhite Topaz Pendant 6 mm
Colourless topaz, Mohs 8 — and a cleavage plane that Mohs 8 does not tell you about.
- Natural
- Untreated
- Mohs
- Wear
- 8
- Occasional
£69incl. VAT