The Oceano Vintage Black Onyx Engagement Ring. With an exciting diagonal stripe across the shield, this original Art Deco heirloom is centered by a light yellow old European diamond with some serious sparkle. Crowned with delicate milgrain and sprinkled with antique rose cut diamonds held within an intricate, openwork top gallery. A ring you will enjoy wearing everyday because of it's striking presence and low setting. Estate jewelry is in high demand for it's unique look and excellent value.


Condition: Very good 

Era: Art Deco

Year: 1915-1935

Metal: 18K White Gold


Center Gemstone: Diamond

Carat Weight: 0.20 

Cut: Old European

Color: Light yellow  

Clarity: SI2


Additional Gemstones:

Black Onyx

(12) Rose Cut diamonds


Ring Size: 5 3/4, sizeable

Rise Above Finger: 5.5mm

Ring Face: 15mm x 10.5mm

Band Width: 0.5mm - 2mm

Weight: 3.39 grams


Graded by GIA standards


Includes: Certified Appraisal $2200.

custom ring box, complimentary ring sizing (2 sizes) & free expedited shipping 

Item Id: ME006LRMM

Oceano Vintage Black Onyx Engagement Ring Old European Diamond 18K White Gold

Accent Gemstone
  • For questions or special requests, please call (805) 966-1707, or email 

    See this design in person at our vintage & antique estate jewelry store in Santa Barbara, California.

Bella Rosa Galleries | 1103-A State Street

Santa Barbara, CA 93101


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