Black Onyx Diamond Stud
- 18K Gold
- Natural Diamonds
- Total diamond weight: approximately 0.16ct per pair
- Diamond colour: H–I
- Two natural princess-cut black onyx stones (one per earring)
- Black onyx weight: approximately 0.17ct each
- Onyx size: approximately 3 × 3 mm (2.9 mm)
- Stud dimensions: 5.5 × 5.5 mm
- Secure 18K gold butterfly back
A play of contrasts, natural diamonds encircle a deep black onyx natural gemstone, framing light against shadow with quiet elegance. Crafted in 18K gold, these studs carry a refined vintage romance, captivating with a tailored suit and effortless with a black dress. Feminine yet enduring, this versatile piece is made to be loved for a lifetime, a modern heirloom meant to be passed down.
- We offer complimentary delivery across all Europe.
- Please allow for a production time of one to two weeks, as our products are handcrafted pieces.
- If the item is already in stock, we can dispatch it within one to three working days.
Rings:
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Bangles:
Measure around the widest part of your hand with a string or soft tape, then use the chart below to find your bangle size.
| Size | Hand Measurement |
| 15 | Fits below 14 cm |
| 16 | Fits below 15.24 cm |
| 17 | Fits below 15.87 cm |
| 18 | Fits below 16.51 cm |
| 19 | Fits below 17.14 cm |
Necklaces:
Most of our necklaces feature adjustable links, between approximately 41 and 46 cm. Some styles come in fixed lengths. If you need a bespoke size, we're happy to help at orders@zkcollection.com
Bracelets:
Most of our chain bracelets feature adjustable links, between approximately 15 and 18 cm. Some styles come in fixed lengths. If you need a bespoke size, we're happy to help at orders@zkcollection.com
All the jewellery purchased on our website is eligible for a return within 14 days of receipt. To return a jewellery item for a full refund or an exchange please email us at orders@zkcollection.com to
get started.
- When your jewellery is not being worn, keep them in a jewellery box or a soft pouch to prevent scratches and tangles.
- Avoid contact with harsh chemicals like bleach and chlorine, as they can be damaging to your jewellery.
- Take off your jewellery before exercising, going to beach, pool or any activity that could potentially scratch or dent it.
- Remove your jewellery before applying cosmetics, lotions, or perfumes, as these products can tarnish or dull the metal over time.
- Clean your jewellery regularly using a mild soap and warm water solution. Gently scrub with a soft-bristle brush or cloth to remove dirt and residue.