Octagonal Ametrine Ring
- Regular price
- $265.00
he Octagonal Ametrine Ring features an elongated octagonal ametrine, where soft violet and pale golden tones meet naturally within the stone. A slender gold-toned band with small white zircon accents adds a delicate touch of sparkle. Easy to wear with workwear, date-night looks, or simple dresses, it also makes a thoughtful gift for birthdays, anniversaries, or anyone drawn to distinctive two-tone gemstones.
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Details & Dimensions
Details & Dimensions
How to Style It
How to Style It
Wear it alone for a quiet, minimal look or layer it with complementary LUMERUNE pieces to create a more personal combination.
Delivery & Returns
Delivery & Returns
Estimated delivery is 8–18 business days after dispatch for all destinations we serve. Orders are typically processed within 1–2 business days. Shipping costs are shown at checkout.
We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 14 days of delivery.
Care & Sustainability
Care & Sustainability
Keep your jewelry away from water, perfume, lotions, and household chemicals. Wipe gently with a soft, dry cloth after wear and store each piece separately to help protect its finish.

Size Guide
Ring size guide

Use a ring you already wear
- Lay it flat. Choose a ring that comfortably fits the intended finger.
- Measure inside. Read the inner diameter straight through the centre in millimetres. Exclude the metal band.
- Find your size. Match the measurement to the US chart below.
No ring to measure?
Wrap a narrow paper strip around the finger base, mark the overlap and measure that length in mm. Check that it can pass over your knuckle. Repeat at room temperature.
View ring size chart · US 3–10
| US size | Inside diameter (mm) |
Circumference (mm) |
|---|---|---|
| 3 | 14.1 | 44.2 |
| 3.5 | 14.5 | 45.5 |
| 4 | 14.9 | 46.8 |
| 4.5 | 15.3 | 48.0 |
| 5 | 15.7 | 49.3 |
| 5.5 | 16.1 | 50.6 |
| 6 | 16.5 | 51.9 |
| 6.5 | 16.9 | 53.1 |
| 7 | 17.3 | 54.4 |
| 7.5 | 17.7 | 55.7 |
| 8 | 18.1 | 57.0 |
| 8.5 | 18.5 | 58.3 |
| 9 | 18.9 | 59.5 |
| 9.5 | 19.4 | 60.8 |
| 10 | 19.8 | 62.1 |
Approximate conversions; rounding and ring style can affect fit. Available sizes are listed on each product page.
Between sizes or choosing a wide band? A physical ring sizer gives a more reliable fit than paper. For adjustable rings, follow the product’s stated range and avoid repeated bending.
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