Opal & Sapphire
Opal & Sapphire
Opal Rings
Jewelry with Soul. Power with Purpose.
Measure My Own Ring
Instructions
- Use a ring that fits the desired finger.
- Measure the internal diameter of the ring (in mm). Ensure your ruler starts at the 0mm mark.
International Ring Size Chart
|
Inside Diameter Millimeters (mm) |
Inside Circumference Millimeters (mm) | U.S. and Canada | U.K., Europe and Australia | Asia (Hong Kong, China, Singapore, Japan) |
| 14.1 | 44.3 | 3 | F | 4 |
| 14.3 | 44.9 | 3.25 | F.5 | 5 |
| 14.5 | 45.6 | 3.5 | G | |
| 14.7 | 46.2 | 3.75 | G.5 | 6 |
| 14.9 | 46.8 | 4 | H | 7 |
| 15.1 | 47.4 | 4.25 | H.5 | |
| 15.3 | 48.1 | 4.5 | I | 8 |
| 15.5 | 48.7 | 4.75 | I.5 | |
| 15.7 | 49.3 | 5 | J | 9 |
| 15.9 | 50.0 | 5.25 | J.5 | |
| 16.1 | 50.6 | 5.5 | K | 10 |
| 16.3 | 51.2 | 5.75 | K.5 | |
| 16.5 | 51.8 | 6 | L | 11 |
| 16.7 | 52.5 | 6.25 | L.5 | 12 |
| 16.9 | 53.1 | 6.5 | M | 13 |
| 17.1 | 53.7 | 6.75 | M.5 | |
| 17.3 | 54.3 | 7 | N | 14 |
| 17.5 | 55.0 | 7.25 | N.5 | |
| 17.7 | 55.6 | 7.5 | O | 15 |
| 17.9 | 56.2 | 7.75 | O.5 | |
| 18.1 | 56.9 | 8 | P | 16 |
| 18.3 | 57.5 | 8.25 | P.5 | |
| 18.5 | 58.1 | 8.5 | Q | 17 |
| 18.8 | 59.1 | 8.75 | Q.5 | |
| 19 | 59.7 | 9 | R | 18 |
| 19.2 | 60.3 | 9.25 | R.5 | |
| 19.4 | 60.9 | 9.5 | S | 19 |
| 19.6 | 61.6 | 9.75 | S.5 | |
| 19.8 | 62.2 | 10 | T | 20 |
| 20 | 62.8 | 10.25 | T.5 | 21 |
| 20.2 | 63.5 | 10.5 | U | 22 |
| 20.4 | 64.1 | 10.75 | U.5 | |
| 20.6 | 64.7 | 11 | V | 23 |
| 20.8 | 65.3 | 11.25 | V.5 | |
| 21 | 66.0 | 11.5 | W | 24 |
| 21.2 | 66.6 | 11.75 | W.5 | |
| 21.4 | 67.2 | 12 | X | 25 |
| 21.6 | 67.9 | 12.25 | X.5 | |
| 21..8 | 68.5 | 12.5 | Y | 26 |
| 22 | 69.1 | 12.75 | Z | |
| 22.2 | 69.7 | 13 | Z.5 | 27 |
| 22.4 | 70.4 | 13.25 | ||
| 22.6 | 71.0 | 13.5 | Z1 |
Measure My Finger
Instructions
- Cut a thin strip of paper, ensure it’s not too wide.
- Wrap a strip of paper around your finger where you’d like your ring to be. Make sure that the paper is pulled snug to your finger (the tighter the better) to fine your best fit.
- Mark the spot where the paper meets and measure the distance with a ruler (mm).
Use the size chart to determine your ring size.
| Circumference (mm) | US/CAN |
| 44.3mm | 3 |
| 46.8mm | 4 |
| 49.3mm | 5 |
| 51.8mm | 6 |
| 54.3mm | 7 |
| 56.9mm | 8 |
| 59.7mm | 9 |
| 62.2mm | 10 |
| 64.7mm | 11 |
| 67.2mm | 12 |
| 69.7mm | 13 |
Tips On How To Measure
- Measure your ring size at the end of the day when fingers are at their largest.
- Consider the width of the band, a particularly thick band will feel tighter than a thin band so you may want to buy a full size larger that your normal ring size.
- Do not measure your hands when they are cold, they may have shrunk up to half a size.
- Alcohol and salt can make your fingers swell so refrain from measuring your ring size after cocktails and appetizers.
This elegant Opal Ring combines the magical beauty of natural opals and the delicate sparkle of pink sapphires, creating a truly mesmerizing piece of jewelry. The ring features two types of opals—pear-shaped and marquise-cut—that shimmer with their unique rainbow-like hues, symbolizing creativity and inspiration. The round-cut pink sapphires on the sides add a touch of warmth and femininity, beautifully complementing the opals.
MAIN STONE1
Gemstone: Natural Opal
Stone Size: 4*6 mm
Stone Shape: Pear
MAIN STONE2
Gemstone: Natural Opal
Stone Size: 3*6 mm
Stone Shape: Marquise
SIDE STONE
Gemstone: Pink Sapphire
Stone Shape: Round
BASIC INFORMATION
Material: 925 sterling silver plated with 14K yellow gold
Every Minerva Jewelry piece is thoughtfully crafted with high-quality metals and precision finishing.
Each material reflects a different level of craftsmanship and longevity:
- Yellow Gold-Plated Sterling Silver — 925 sterling silver base with a thin layer of 18K gold. Offers a warm shine and affordable luxury.
- Rose Gold-Plated Sterling Silver — Soft rose tone on a sterling silver base, ideal for everyday elegance.
- 925 Sterling Silver — Bright, durable, and hypoallergenic with a sleek mirror-polish finish.
- 18K Yellow Gold Vermeil — Thick 18K gold layer (≥2.5μm) on sterling silver for long-lasting brilliance.
- 18K Rose Gold Vermeil — Romantic rose tone with a rich, durable gold coating on sterling silver.
- 10K–18K Solid Gold — Crafted entirely from solid gold in yellow, rose, or white tones. Designed for lasting beauty and true fine jewelry quality.
All pieces are nickel-free, hypoallergenic, and made to endure your daily wear.
🇬🇧 UK DELIVERY
- Standard Delivery: £3.95
- Free Shipping on orders over £60
- Estimated delivery: 3–5 working days
- Customised items: Please allow up to 10 extra working days
🇺🇸 US DELIVERY
- Standard Delivery: $10.00
- Free Shipping on orders over $75
- Estimated delivery: 5–9 working days
- Customised items: Please allow up to 10 extra working days
🌍 INTERNATIONAL DELIVERY
- Standard Delivery: $12.00
- Free Shipping on orders over $100
- Estimated delivery: 5–14 working days
- Customised items: Please allow up to 10 extra working days
- Duties and taxes included
♻️RETURNS
Refunds and exchanges are available within 30 days if items meet return eligibility.
For full details, visit our DELIVERY & RETURNS INFORMATION page.
Empowering Energy & Balance
Crafted to Last, 2-Year Warranty
30-Day Easy Returns
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Every Minerva piece is infused with meaning — from energy to intention.
ETHICS & SUSTAINABILITY
At Minerva Jewelry, we believe beauty begins with integrity. Guided by respect for the planet and its people, we embrace conscious craftsmanship — using conflict-free diamonds, lab-grown stones, and recycled metals. Every design reflects our values: thoughtful, responsible, and made to empower. Each piece is crafted with intention — from lab-grown gemstones to recycled metals — honouring the Earth and empowering your journey.