Alya Stone 0.25ct round lab-grown diamond flat-back stud earring in solid yellow gold, side view
Alya Stone 0.25ct round lab-grown diamond flat-back stud earring in solid yellow gold, front view
Round lab-grown diamond flat-back studs on the ear in three sizes: 0.55ct 5mm, 0.25ct 4mm and 0.03ct 2mm
Alya Stone signature jewellery gift box, close-up
Alya Stone signature jewellery gift packaging, overhead view
Alya Stone 0.25ct round lab-grown diamond flat-back stud earring in solid yellow gold, side view
Alya Stone 0.25ct round lab-grown diamond flat-back stud earring in solid yellow gold, front view
Round lab-grown diamond flat-back studs on the ear in three sizes: 0.55ct 5mm, 0.25ct 4mm and 0.03ct 2mm
Alya Stone signature jewellery gift box, close-up
Alya Stone signature jewellery gift packaging, overhead view
New

Round Diamond Flat Back Stud Earring 0.25ct

HK$1,280.00
METAL 14K Yellow Gold
LENGTH 5.5mm
Handcrafted to order · ships in 2–3 weeks
FREE SHIPPING
EASY RETURNS
LIFETIME WARRANTY

The flat-back design sits flush against the ear for all-day comfort and stays secure, so there is no butterfly back to catch on hair or pillows. Final sale: this item cannot be returned or exchanged.

#AS-ER-14Y-LGD-ROUNDFB-0.25CT-5.5
MORE INFORMATION

This is a final sale item!

The everyday sweet spot. A 4mm round lab-grown diamond held in four claws, big enough to catch the light and small enough to wear every day. Wear it on its own, or line it up with the 0.03ct and 0.55ct for an easy graduated stack.
SHIPPING & RETURNS

Free Shipping

We offer free shipping on all Hong Kong orders and free international shipping to selected countries upon meeting a minimum order requirement. See our Shipping Policy for more details.

Returns & Exchanges

Return eligible items within 30 days of delivery, unworn and in their original condition with all certificates and packaging.

Store credit returns the full item value with no fee. A refund to your original payment method carries a 15% restocking fee. Shipping costs in both directions are deducted either way.

Earrings, eternity rings and personalised pieces are final sale. See our Refund Policy for the full list.
WARRANTY

Lifetime Warranty

Lifetime warranty against manufacturing defects in materials or workmanship, for the original owner. Not covered: normal wear and tear, damage from chemicals, water or excessive force, loss or theft, and any work done by a third-party jeweller.
SPECIFICATIONS

Sold as a single earring.

- Metal: Solid recycled 14K or 18K yellow gold
- Stone: Lab-grown diamond, round brilliant, 0.25ct (4mm)
- Setting: four claws
- Flat Back Post Length: 5.5mm or 6.5mm

6.5mm post. Best for: Standard earlobes, stacked lobe piercings, and general everyday wear.

5.5mm post. Best for: Thin earlobes, tight cartilage placements (like a snug helix or tragus), or people who prefer an ultra-flush, zero-movement fit.
CONSCIOUS QUALITY

We believe luxury should be responsible. Our jewelry is produced with a focus on ethical labor standards and clean craft practices. We consciously source high-shine gemstones and lab-grown diamonds with verifiable traceability. Every piece is built to be a lasting treasure.

Person working on a piece of jewelry with tools on a wooden table.
Person working on a piece of jewelry with tools on a wooden table.

Our craftsmanship

Made by hand, made to last

Every Alya Stone piece is made to order and hand-finished by our artisans in solid recycled gold — never plated, never mass-produced. Built to be worn every day, and handed on.

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How can we help?

our jewelry specialists are dedicated to helping you find pieces that tell your story.
from selecting the right charm to discussing bespoke customisations and designs, we’re just a message away.

get in touch
  • 5 stars: 4 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
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  • 1 star: 0 (0%)
M
Marie D.
studs i can actually sleep in

round diamond flat back studs are the definition of practical luxury. they don’t poke, they don’t loosen, and they still look polished. i’ve stopped taking them out entirely.

L
Lin Q.
my favorite everyday studs

round diamond flat back studs are the kind of basic you actually use. they’re secure, comfortable, and the sparkle is clean. i’ve worn them in the shower by accident and they still look perfect.

E
Eva F.
studs that don’t stab

round diamond flat back studs are exactly what i needed for everyday. secure, comfy, and the diamond is bright even at the smallest size. i’m sensitive to earrings and these have been totally fine.

Z
Zhang R.
another level of comfortable

round diamond flat back stud earring is genuinely comfortable for 24/7 wear. i forgot i had them in during a workout. the sparkle is subtle, which is perfect for the office.