A bloom caught in shadow. The Cornflower blue sapphire leaf engagement ring sets a captivating oval sapphire in a bed of dark, smoky black ruthenium over 925 sterling silver, framed by delicate leaf motifs that curl toward the stone. The blackened metal deepens the sapphire’s cornflower blue into something mysterious and mesmerizing — nature and dark romance in a single band.
Cornflower blue sapphire
Solid 925 sterling silver
Black ruthenium finish
Oval cut, 8 x 6 mm
Leaf motif band
Free velvet gift box
A leaf-motif design with dark-romantic soul
Meticulously sculpted leaf motifs run along the shoulders, symbolizing growth, renewal and the eternal cycle of life — a nature-inspired frame that feels all the more striking against the dark metal. It belongs alongside our leaf engagement rings and nature-inspired engagement rings, with the moody edge of our gothic engagement rings. Whether chosen as an engagement or promise ring, it’s a timeless declaration of devotion with a story to tell.
The cornflower blue sapphire
The center is a simulated cornflower blue sapphire, an oval measuring 8 x 6 mm (about 1.4 ct) in a soft, sincere blue that reads beautifully against the blackened band — a crisp, brilliant and budget-friendly way to wear that coveted cornflower hue. It’s framed by lab-created sapphire accents, which are genuine sapphires (real corundum, Mohs 9) prized for their exceptional durability. Blue sapphire has long symbolized sincerity, loyalty and faithfulness; our complete guide to sapphire meaning tells the whole story, and our sapphire engagement ring buying guide helps you choose with confidence.
The black ruthenium finish
The ring is solid 925 sterling silver finished with black ruthenium, a precious metal from the platinum family. It reads as a deep, smoky gunmetal — a blackened-silver tone with real depth and antique warmth — rather than a flat, pure jet-black. That dark backdrop is what makes the sapphire glow: the charcoal patina enhances the brilliance of the blue and throws every leaf into relief, in a way a matte pure-black coating can’t. It is skin-safe and won’t turn your finger. For the full story, see our explainer on what black ruthenium is. (Note: the book box shown in photos is for styling only.)
What it symbolizes
Sapphire stands for sincerity, wisdom and faithfulness, while the leaf motif speaks of growth and renewal and the dark metal of devotion on your own terms. Together they make a ring that’s equal parts romance and individuality. For more on the meaning of dark rings, our guide to black rings for women is a lovely read.
Specifications
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Metal Solid 925 sterling silver with black ruthenium finish
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Finish tone Deep gunmetal / blackened-silver (not pure jet-black)
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Center stone Simulated cornflower blue sapphire, oval, 8 x 6 mm (~1.4 ct)
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Accent stones Lab-created (genuine) sapphires
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Design Leaf motif, nature-inspired
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Sourcing Ethically sourced, conflict-free materials
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Included Free luxury velvet gift box & lifetime warranty
Sizing & care
Choose your size at checkout; if you’re between sizes or unsure, reach out and we’ll help, and resizing is available starting from a modest fee. To keep the black ruthenium at its richest, remove the ring before showering, swimming, cleaning or applying lotions and fragrance, and store it dry in the velvet box between wears. Buff only with a soft, dry cloth — skip abrasive polishes, which are made to strip dark finishes back to bright silver.
Frequently asked questions
Is the black ruthenium pure black?
It is a deep, smoky gunmetal — a rich blackened-silver tone rather than a flat, pure jet-black. That is the beauty of it: the dark backdrop enhances the sapphire’s blue and throws every leaf into relief, with an antique warmth a matte pure-black coating can’t match.
What is the black ruthenium finish?
Ruthenium is a precious metal from the platinum family, applied over solid 925 sterling silver for a deep blackened patina. It is skin-safe, won’t turn your finger, and makes the sapphire look even more brilliant.
Is the sapphire real?
The center is a simulated cornflower blue sapphire — a crisp, brilliant stone that gives you that coveted cornflower-blue look at a friendly price. The accent stones are lab-created sapphires, which are genuine sapphires (real corundum, Mohs 9).
What does the leaf design mean?
The sculpted leaf motifs symbolize growth, renewal and the eternal cycle of life — a nature-inspired frame that feels striking against the dark metal.
What metal is the band?
Solid 925 sterling silver finished in black ruthenium — hallmarked sterling, not vermeil and not solid gold.
How big is the center stone?
The oval sapphire measures 8 x 6 mm, about 1.4 ct — a graceful, elongated center that reads beautifully against the blackened band.
Can it be worn as a promise ring?
Absolutely. Its meaning and versatile silhouette make it lovely as an engagement ring, promise ring or a distinctive everyday piece.
Will the finish rub off?
With everyday care the blackened finish wears beautifully. Remove the ring for showering, swimming and workouts, keep it away from lotions and harsh chemicals, and buff only with a soft dry cloth — never an abrasive polish, which is made to strip dark finishes.
Is it durable enough for daily wear?
Yes. The sapphire accents are Mohs 9 and the sterling band is sturdy, so with sensible care the ring is well suited to everyday wear.
Is the book box included?
No — the book box shown in photos is a styling prop only. Your ring arrives in a free luxury velvet gift box.
What size should I order?
Select your ring size at checkout. If you’re unsure or between sizes, contact us for guidance. Resizing is available and starts from a modest fee.
Are the materials ethically sourced?
Yes. All of our stones and materials are ethically sourced and conflict-free, so you can wear the ring with complete peace of mind.
Does it arrive gift-ready?
Every order ships in a free luxury velvet gift box and is backed by our lifetime warranty — ready for a proposal or to give as a keepsake.
