4.8/5Excellent3,500+ reviews

Fine Black Onyx Lab Diamond Necklace Sway - December Birthstone

$194.95 AUD

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Material: 925 Sterling Silver

925 Sterling Silver 18kt Yellow Gold Vermeil 18kt Rose Gold Vermeil

A pear-cut Black Onyx sways gently below a line of lab diamonds, pairing December's birthstone with a sharpened, luminous edge. Black Onyx is known as the stone of willpower, grounding scattered energy into steady focus, while the lab diamond accents add clarity and a quiet sense of purpose.

Genuine Black Onyx: a 9mm x 6mm pear-cut stone, 1.32 carats, set at the base of the pendant.
Lab diamond accents: a line of brilliant lab-grown diamonds sits above the stone for extra sparkle.
Adjustable fit: a 16 inch chain with a 2 inch extender so it sits exactly where you want it.
Three metal finishes: choose 925 sterling silver, 18kt yellow gold vermeil, or 18kt rose gold vermeil.
GIA-verified: every gemstone's authenticity is checked before it reaches you.

A thoughtful pick for a December birthday, or for anyone who wears their strength quietly.

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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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Fine Black Onyx Lab Diamond Necklace Sway - December Birthstone