Type of jewel: Vintage antique 1900s Art Nouveau gold ring with opals and rubies Condition: In well-preserved condition, especially given the jewel`s age. Style: Vintage 1900's Art Nouveau Style characteristics: Art Nouveau - The floral ornaments and botanical designs are very typical for the Art Nouveau style. Also the use of curvilinear lines (the so-called the so-called whiplash motif) is typical for this period. Era: ca. 1900 Material: 14K warm yellow gold (touchstone tested) Precious stone(s): Ten natural rubies and five natural opals - It is common practice to treat gemstones to enhance their clarity or colour. This item has not been tested for such treatments. - All gemstone weights are approximate, as the stones are not removed from their settings to preserve the integrity of the piece. Birth and month stones: Ruby is the birthstone (or month stone) for July and Opal is the birthstone (or month stone) for October. Hallmarks: No trace. Dimensions: band width top of ring 0,95 cm (0,37 inch) - See picture with a ruler in cm and inches Weight: 2,30 gram (1,48 dwt) Ring size: EU-60 & 19¼, USA-9¼, UK-S Ring sizes are professionally measured and rounded to the nearest millimetre; slight variations are standard and do not affect wear. Adin reference Nº: 26027-0199 - All jewels are delivered in an Adin jewellery box. Boxes shown in photos are display props unless stated otherwise. - Every piece is accompanied by an Adin certificate of authenticity for your piece of mind. Adin has specialised in antique and vintage jewellery in Antwerp for over four decades. We maintain professional memberships and affiliations that reflect our ongoing commitment to standards, research, and responsible trade practice. - Shipped insured and registered. Collection in person is also welcome. - For shipments outside the EU, import duties and other charges may apply. We advise checking this in advance. - We invite you to browse through our customer feedback to discover the level of satisfaction we consistently provide. - See more of our pieces: https://auction.catawiki.com/lotsfrom/Adin - Antique and vintage jewellery may show evidence of past repairs or restoration, reflecting normal wear and period use. We present pieces in an authentic state and do not routinely remove surface marks or apply rhodium plating to white gold. If you prefer a brighter finish, you may choose a cosmetic refresh by a local goldsmith.