1.40 Carat Round Black Onyx Engagement Ring with Diamond Side Stones

Product Description

Make a distinctive commitment statement with this Round Black Onyx Engagement Ring with Diamond Side Stones. A deep black round onyx forms the dramatic center, while a row of brilliant-cut diamonds adds a bright contrast along the band. The curved cathedral profile lifts the focal stone and gives this black onyx engagement ring a refined bridal silhouette, making it a meaningful choice for proposals, anniversaries, commitment milestones, and personal celebrations.

1.20 Carat Round Black Onyx Engagement Ring with Diamond Side Stones

The centerpiece is an approximately 1.20 carat round black onyx measuring about 7 x 7 mm. Graded AAA with a brilliant cut, the gemstone is secured in a four-prong setting. Twenty round brilliant diamonds line the band, contributing approximately 0.20 carat of additional sparkle. Each diamond measures about 1.30 x 1.30 mm, has HI color and SI quality, and is held in a four-prong setting. This black onyx and diamond ring is confirmed in 92.5 sterling silver and selected yellow or white gold options in 10K, 14K, and 18K with an approximate metal weight of 2.50 grams.

What Makes This Black Onyx and Diamond Engagement Ring Special

• Approximately 1.20 carat round black onyx center.
• Center stone measures approximately 7 x 7 mm.
• AAA quality black onyx with brilliant cutting.
• Four-prong setting secures the center gemstone.
• Twenty round brilliant diamond side stones.
• Approximately 0.20 carat total diamond weight.
• HI color and SI quality diamonds.
• Each diamond measures approximately 1.30 x 1.30 mm.
• Curved cathedral band framing the center stone.
• Approximately 6 mm width and 8 mm height.
• Available in 92.5 sterling silver and selected yellow or white gold options in 10K, 14K, and 18K construction.

The contrast between a dark gemstone and bright diamond accents gives this round black onyx ring with diamonds its strongest visual identity. The cathedral shoulders curve upward toward the center, while the diamond side stones bring controlled sparkle along the band. It is a polished option for shoppers seeking a black gemstone engagement ring with diamond side stones rather than a conventional all-diamond design.

Meaning Behind the Black Onyx Cathedral Engagement Ring

The deep black center creates an individual, confident look, while the rising cathedral band directs attention toward the gemstone and gives the setting a balanced profile. Paired with diamond side stones, this black onyx cathedral engagement ring combines bold contrast with recognizable bridal styling. The design works naturally as a symbol of commitment for proposals, anniversaries, milestone gifts, or a personal expression of distinctive style.

Black Onyx and Diamond Ring Craftsmanship & Authenticity

Rosec Jewels crafts this black onyx engagement ring with diamond side stones with attention to gemstone alignment, secure four-prong settings, diamond placement, cathedral-band shaping, and refined finishing. Rosec Jewels offers a Certificate of Authenticity with the jewelry for added purchase confidence. Each piece goes through stone inspection, setting security review, and finishing inspection before dispatch, with care guidance provided to help maintain the onyx, diamonds, settings, and metal finish over time.

Round Black Onyx Engagement Ring for Proposals & Statement Wear

The 7 mm round center gives this black onyx ring a strong presence from above, while the approximately 8 mm height gives the cathedral setting visible dimension from the side. It pairs easily with understated diamond jewelry when the black gemstone should remain the focal point and works for engagements, anniversaries, evening styling, or carefully considered everyday wear. US ring sizes are offered from 3 through 13 in quarter-size increments, and the ring is delivered in a gift box for presentation or storage.