How Much Does an Engagement Ring Cost on the Sunshine Coast?

The engagement rings in our Cotton Tree studio right now range from $4,350 for a 2ct lab-grown diamond solitaire to $28,450 for an Argyle pink diamond ring. Rings we make to order are quoted individually, and most fall somewhere between a couple of thousand dollars and tens of thousands. Where yours lands depends on four things: the centre stone, the metal, the setting, and how much hand work the design needs. This guide uses the real prices of rings in our studio so you can see how those choices add up.

Engagement ring prices at a glance

Type of ring	Price at NY2K
Lab-grown diamond solitaire, about 2ct, 18ct gold	$4,350 to $4,750 (rings in the studio now)
Coloured gemstone and diamond ring	$5,640 to $19,980 (rings in the studio now)
Natural diamond ring, handmade at our bench	$9,160 to $14,350 (rings in the studio now)
Argyle pink diamond ring	$16,995 to $28,450 (rings in the studio now)
Custom ring designed with you	Quoted individually, before any work begins

Prices are correct as of November 2026, and each ring is a single piece. If the one you like sells, we can make one in the same style.

1. The centre stone

The centre stone is usually the biggest part of the price. For a diamond, four things set its value: cut, colour, clarity and carat weight. Cut decides how much it sparkles, colour runs from colourless to a light yellow tint, clarity measures the tiny inclusions inside, and carat is weight. Price rises steeply with carat weight, so a 1ct diamond costs much more than two 0.5ct stones of the same grade.

Natural or lab-grown. Both are real diamonds. For the same size and grade, a lab-grown diamond costs considerably less, which is why the 2ct lab-grown solitaires in our studio cost less than our 1ct natural diamond rings. Natural diamonds are finite and hold their value better. Our guide to natural vs lab-grown diamonds explains the difference. We work with natural diamonds by default, hold lab-grown diamonds in the studio, and can source a particular stone of either kind on request.

Coloured stones. Sapphires, tanzanite and tourmaline can cost less than a diamond of the same size, but a fine Australian sapphire or a certified Argyle pink diamond can cost far more. The Argyle mine has closed, so pink diamonds from it are no longer being mined.

2. The metal

Most of our engagement rings are made in 18ct gold or platinum. 18ct gold is 75% gold and comes in yellow, white and rose. Platinum is denser, so the same ring uses more metal by weight, and it is harder to work, which is why platinum usually costs more. White gold is plated with rhodium to keep it bright white, and that plating is renewed every so often. Platinum stays white without plating.

3. The setting

A solitaire, a single stone on a plain band, uses the least metal and the fewest small diamonds. A trilogy adds two side stones. A halo surrounds the centre stone with small diamonds, each set by hand, so it adds both stones and bench time. Diamonds set down the band add more again. Explore the styles on our engagement rings page.

Rings in our studio now

Ring	Centre stone	Metal	Price
Pear lab-grown solitaire	2.0ct lab-grown diamond	18ct yellow gold	$4,350
Oval lab-grown solitaire	2.04ct lab-grown diamond	18ct yellow gold	$4,750
Aube	Pear-shaped champagne diamond	18ct gold and platinum	$9,160
Calista	0.76ct emerald-cut diamond	18ct white gold	$9,800
Merida	0.90ct oval diamond solitaire	Platinum	$11,250
Diamond trilogy	Three diamonds	18ct white gold	$11,295
Pear diamond ring	1.01ct pear-shaped diamond	Platinum	$14,350
Posy by Pink Kimberley	Argyle pink diamonds	18ct gold	$16,995
Kira by Pink Kimberley	Argyle pink diamond	18ct white gold	$28,450

The table shows how much the stone moves the price. A 2ct lab-grown diamond costs less than half as much as a 0.76ct natural diamond, and an Argyle pink sits in a range of its own. See every ring in the studio in our engagement rings collection.

4. Handmade and custom rings

Most of our rings are made by hand at our bench in Cotton Tree, and a custom ring is designed around the stone you choose and the hand that will wear it. A design built from scratch takes more bench time than a finished ring, and sourcing a rare stone can add to both the cost and the timeframe. You get a clear quote after your consultation, before any work begins. You can also start online with our design your own engagement ring tool and send us the specification for a quote.

How to get more for your budget

• Consider a lab-grown diamond for a larger stone at the same price.
• Choose a carat weight just under a round number, such as 0.9ct instead of 1ct. The difference is hard to see but the price step is real.
• Choose 18ct gold rather than platinum.
• Choose a solitaire, then add a matching wedding band later.
• Remodel a family stone. Reusing a diamond you already own can lower the cost of a new ring a great deal. Read about jewellery remodelling.

Get a quote in Cotton Tree

At NY2K Jewellers, engagement rings are designed and made at our own bench in Cotton Tree, Maroochydore. The workshop is led by Paul New, a Fellow of the Gold & Silversmiths Guild of Australia (№081) with more than 40 years at the bench.

Visit us at Rovera Plaza, Shop 5, 23 Cotton Tree Parade, Cotton Tree, Maroochydore QLD 4558, Monday to Friday, 9:30am to 4:00pm, or on Saturday by appointment. Book a complimentary consultation or call 07 5443 1955.