4.8/5Excellent3,500+ reviews

Opal Round Studs - October Birthstone

$87.95 AUD

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Material: 925 Sterling Silver

925 Sterling Silver 18kt Yellow Gold Vermeil 18kt Rose Gold Vermeil 10kt Solid Rose Gold 10kt Solid Yellow Gold 10kt Solid White Gold

Simple round studs meant to be worn close, a quiet, daily reminder to focus on the good. Opal is known as the stone of positivity, encouraging gratitude and trust in what's possible, and its round brilliant cut keeps the whole design understated and easy to wear anywhere.

Gemstone: Authentic round-shaped Opal, the stone of positivity and October's birthstone
Stone size: 3.5mm
Authentication: Gem authenticity approved by GIA
Finish: Available in 925 sterling silver, 18kt yellow gold vermeil, 18kt rose gold vermeil, or 10kt solid rose, yellow or white gold

A timeless everyday stud for anyone who wants a small, meaningful piece of jewellery for October birthdays or any day.

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FIND YOUR SIZE

Already own a ring that fits? Measure it and match it to the chart below. We use US & Canadian sizing.

Step 1: Pick a ring that fits the finger you have in mind.
Step 2: Measure the inside diameter in mm, straight across.
Step 3: Match your measurement in the chart below.

No ring? No problem. Here you measure the circumference - the distance around your finger.

Step 1: Cut a thin strip of paper.
Step 2: Wrap it tightly around your finger.
Step 3: Mark where the paper overlaps.
Step 4: Lay it flat and measure to your mark in mm.
Step 5: Match it in the chart below.

Diameter (mm)	Size (US & Canada)	Europe	UK & Australia
14.1	3	46	F
14.9	4	48	H
15.7	5	50	J
16.5	6	52	L
17.3	7	54	N
18.1	8	57	P
18.9	9	60	R
19.8	10	62	T
20.6	11	64	V
21.4	12	67	X
22.2	13	70	Z

Free ShippingWe offer free worldwide shipping, including all taxes
Water & Sweat proofMade for everyday wear. No green skin, no fading.
Lifetime Color WarrantyIf your item tarnishes, we'll send you a brand-new item. No questions asked.
Free Sticker PackAll our orders come in a ready-to-gift packaging, with a free sticker pack

5 out of 5 stars
I don't want to take it off. It feels calm and grounding straight away.
Sarah, Sydney Verified Buyer
5 out of 5 stars
The blue flash is genuinely stunning, exactly like the photos.
Mia, Melbourne Verified Buyer
5 out of 5 stars
Beautifully made and it doesn't tarnish. Finally, real quality.
Deb, Brisbane Verified Buyer

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Opal Round Studs - October Birthstone