Rectangle Opal Ring Sterling Silver | 8x12mm Emerald Cut Opal Gemstone Ring | October Birthstone Gift for Her

Geometric Beauty Meets Natural Elegance

Bold geometry, natural beauty — this Rectangle Opal Ring in sterling silver features an 8×12mm rectangular opal cabochon in a vintage-inspired bezel or prong setting. The clean emerald-cut shape gives this ring a contemporary edge, while the opal's rainbow play-of-color keeps it timeless. A ring that makes a statement without trying too hard.

Gemstone Details

• Stone Type: Opal Gemstone
• Stone Shape: Rectangle / Emerald Cut Cabochon
• Stone Size: Approx. 8 × 12mm
• Stone Color: White / Multicolor with Rainbow Play-of-Color
• Clarity: Natural, Opaque to Semi-Transparent
• Setting: Bezel or Prong Rectangle Setting

Ring Details

• Material: Sterling Silver
• Band Width: Approx. 2–3mm
• Available Sizes: US 5, 6, 7, 8, 9, 10, 11
• Occasion: Daily Wear, Office, Special Occasions, Gifting

Perfect For

• October birthstone lovers
• Women who love geometric and modern jewelry
• Birthdays, anniversaries, and Christmas gifting
• Office and everyday wear with a refined edge

Frequently Asked Questions

What sizes are available?
US sizes 5 through 11. If between sizes, size up for comfort.

Is the opal natural?
Yes — genuine natural opal with authentic rainbow play-of-color.

Is opal the October birthstone?
Yes — making this a meaningful October birthday gift.

Is this suitable for office wear?
Absolutely — the clean rectangular shape and polished silver make this a sophisticated choice for everyday and office wear.