The One Jewelry
18K Gold Lab-Grown Oval Diamond Trilogy Ring | IGI Certified
18K Gold Lab-Grown Oval Diamond Trilogy Ring | IGI Certified
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Timeless Elegance — The Oval Lab-Grown Diamond Trilogy Ring
Some rings whisper. This one speaks with quiet confidence. A breathtaking oval-cut lab-grown diamond takes center stage, flanked by two brilliant accent diamonds — a classic trilogy silhouette reimagined in luminous 18K white gold. Clean lines, extraordinary presence.
Ring Specifications
- Metal: 18K White Gold
- Center Stone: Lab-grown diamond, oval cut
- Side Stones: Two round brilliant lab-grown diamond accents
- Setting: Claw (prong) trilogy setting
- Certificate: IGI (International Gemological Institute) Certified
- SKU: T-R-005
Perfect For
- Engagement ring
- Proposal & bridal jewelry
- Anniversary gift
- Special milestone celebration
Why Lab-Grown?
Lab-grown diamonds are physically, chemically, and optically identical to natural diamonds — same hardness (Mohs 10), same fire, same brilliance, same forever. Every stone is IGI certified, giving you full transparency and verified quality. A brilliant choice for the modern romantic.
Ring Size Guide
We offer US ring sizes 4 to 9. Use the chart below to find your perfect fit:
| US Size | Inner Diameter (mm) | Inner Circumference (mm) |
|---|---|---|
| 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 | 18.2 | 57.2 |
| 8.5 | 18.6 | 58.3 |
| 9 | 19.0 | 59.5 |
Not sure of your size? We recommend visiting a local jeweler for a professional measurement, or contact us — we’re happy to help find your perfect fit.
Care Instructions
- Store in the provided jewelry box when not wearing
- Avoid contact with harsh chemicals, perfumes, and lotions
- Clean gently with a soft cloth or mild soapy water
- Professional cleaning recommended every 6–12 months
Free resizing within 30 days of purchase. Every ring ships in a premium gift box.
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