{"product_id":"ravenna-hexagon-cornflower-sapphire-ring-black-ruthenium","title":"Ravenna Hexagon Lab-Grown Cornflower Sapphire Engagement Ring in Black Ruthenium","description":"\u003cstyle\u003e\n.product-rich-content { font-family: inherit; color: #2a2a2a; line-height: 1.65; max-width: 720px; margin: 0 auto; }\n.product-rich-content h2 { font-size: 1.35em; font-weight: 600; color: #1a1a1a; margin-top: 2em; margin-bottom: 0.5em; padding-bottom: 0.4em; border-bottom: 1px solid #d0d8e0; letter-spacing: -0.01em; }\n.product-rich-content h2:first-child { margin-top: 0; }\n.product-rich-content p { margin: 0.8em 0; }\n.product-rich-content ul { padding-left: 1.4em; margin: 0.8em 0; }\n.product-rich-content li { margin-bottom: 0.4em; }\n.product-rich-content .lead-paragraph { font-size: 1.05em; color: #1a1a1a; padding: 1em 1.2em; background: #eef2f7; border-left: 3px solid #3d5a7e; border-radius: 4px; margin-bottom: 1.5em; }\n.product-rich-content .feature-pills { display: flex; flex-wrap: wrap; gap: 0.5em; margin: 1.2em 0; }\n.product-rich-content .feature-pills .pill { background: #eef2f7; color: #3d5a7e; padding: 0.4em 0.9em; border-radius: 100px; font-size: 0.88em; font-weight: 500; border: 1px solid #d0d8e0; }\n.product-rich-content .spec-card { background: #fafafa; border: 1px solid #ececec; border-radius: 6px; padding: 1.2em 1.5em; margin: 1em 0; }\n.product-rich-content .spec-card ul { margin: 0; }\n.product-rich-content .spec-card li { list-style: none; padding: 0.35em 0; border-bottom: 1px dashed #e8e8e8; }\n.product-rich-content .spec-card li:last-child { border-bottom: none; }\n.product-rich-content .spec-card strong { display: inline-block; min-width: 140px; color: #1a1a1a; }\n.product-rich-content .product-faq { margin-top: 2.5em; }\n.product-rich-content .product-faq h2 { margin-bottom: 1em; }\n.product-rich-content .faq-item { border: 1px solid #e8e8e8; border-radius: 6px; margin-bottom: 0.6em; background: #fff; transition: border-color 0.2s ease; }\n.product-rich-content .faq-item:hover { border-color: #3d5a7e; }\n.product-rich-content .faq-item summary { cursor: pointer; padding: 0.9em 1.1em; font-weight: 500; list-style: none; color: #1a1a1a; position: relative; padding-right: 2.5em; }\n.product-rich-content .faq-item summary::-webkit-details-marker { display: none; }\n.product-rich-content .faq-item summary::after { content: \"+\"; position: absolute; right: 1.1em; top: 50%; transform: translateY(-50%); font-size: 1.3em; color: #3d5a7e; font-weight: 300; transition: transform 0.2s ease; }\n.product-rich-content .faq-item[open] summary::after { content: \"−\"; }\n.product-rich-content .faq-item[open] summary { border-bottom: 1px solid #d0d8e0; }\n.product-rich-content .faq-item p { padding: 0 1.2em 1em; margin: 0.6em 0 0; color: #4a4a4a; }\n@media (max-width: 600px) {\n.product-rich-content .spec-card strong { display: block; min-width: auto; margin-bottom: 0.2em; }\n}\n\u003c\/style\u003e\n\u003cdiv class=\"product-rich-content\"\u003e\n\u003cp class=\"lead-paragraph\"\u003eA 4 × 10 mm elongated hexagon of lab-grown cornflower sapphire framed in beaded milgrain scrollwork. A marquise lab-grown sapphire sits at each end of the frame and a round one in each shoulder. Solid 925 sterling silver with a black ruthenium finish.\u003c\/p\u003e\n\u003cdiv class=\"feature-pills\"\u003e\n\u003cspan class=\"pill\"\u003eLab-Grown Cornflower Sapphire\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eHexagon Cut, 4 × 10 mm\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eLab-Grown Sapphire Accents\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eMilgrain Scrollwork\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eBlack Ruthenium Finish\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eSizes 4–11\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch2\u003eThe Design\u003c\/h2\u003e\n\u003cp\u003eRavenna is built like a piece of castle ironwork. The hexagon sits in a beaded frame, and from the frame scrolls curl outward in every direction, each edged in milgrain, so the setting reads as a small ornament rather than a plain halo. A marquise sapphire crowns the top and bottom of the frame, and the shoulders open into milgrain loops that hold a round sapphire each before the band narrows.\u003c\/p\u003e\n\u003cp\u003eIt is a castlecore ring: dark, ornate and a little medieval, for anyone whose taste runs to romantasy and courts after dark. It sits naturally among our \u003ca href=\"https:\/\/aquamarise.com\/collections\/gothic-engagement-rings\"\u003egothic engagement rings\u003c\/a\u003e and \u003ca href=\"https:\/\/aquamarise.com\/collections\/sapphire-engagement-rings\"\u003esapphire engagement rings\u003c\/a\u003e. If you are looking past a plain solitaire, our guide to \u003ca href=\"https:\/\/aquamarise.com\/blogs\/journal\/fantasy-inspired-engagement-rings-for-couples-who-want-something-different\"\u003efantasy engagement rings\u003c\/a\u003e maps the wider field.\u003c\/p\u003e\n\u003ch2\u003eThe Cornflower Sapphire\u003c\/h2\u003e\n\u003cp\u003eThe center is \u003cstrong\u003elab-grown sapphire\u003c\/strong\u003e in cornflower blue, the soft, slightly violet blue that the most prized natural sapphires are named for. Lab-grown sapphire is real corundum, with the same chemistry and the same 9 on the Mohs scale as mined sapphire, grown in a laboratory rather than dug from the ground. Here it is cut as an elongated hexagon, 4 × 10 mm, which runs the length of the finger and gives the frame something long to wrap around.\u003c\/p\u003e\n\u003cp\u003eSapphire is the September birthstone. Our \u003ca href=\"https:\/\/aquamarise.com\/blogs\/journal\/sapphire-meaning-complete-guide\"\u003esapphire meaning guide\u003c\/a\u003e covers its history, and our comparison of \u003ca href=\"https:\/\/aquamarise.com\/blogs\/journal\/aquamarine-vs-sapphire-engagement-ring\"\u003eaquamarine versus sapphire\u003c\/a\u003e is useful if you are weighing blue stones against each other.\u003c\/p\u003e\n\u003ch2\u003eThe Accents and the Metal\u003c\/h2\u003e\n\u003cp\u003eThe two marquise stones and the two rounds are \u003cstrong\u003elab-grown sapphire\u003c\/strong\u003e as well, matched to the center.\u003c\/p\u003e\n\u003cp\u003eThe ring is solid 925 sterling silver with a \u003ca href=\"https:\/\/aquamarise.com\/blogs\/journal\/what-is-black-ruthenium\"\u003eblack ruthenium\u003c\/a\u003e finish, a platinum-group metal that settles to a deep gunmetal rather than a flat black. The slight reflectivity is what keeps every bead of the milgrain visible. Part of our \u003ca href=\"https:\/\/aquamarise.com\/collections\/black-ruthenium-jewelry\"\u003eblack ruthenium jewelry\u003c\/a\u003e collection; our guide to \u003ca href=\"https:\/\/aquamarise.com\/blogs\/journal\/gothic-wedding-rings-dark-romance-styles-for-your-big-day\"\u003egothic wedding rings\u003c\/a\u003e covers the wider style.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter stone:\u003c\/strong\u003e Lab-grown cornflower sapphire, elongated hexagon, 4 × 10 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccent stones:\u003c\/strong\u003e Lab-grown sapphire, two marquise and two round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal:\u003c\/strong\u003e Solid 925 sterling silver, black ruthenium finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Milgrain scrollwork frame, looped shoulders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e Sapphire, 9 on the Mohs scale\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e 4 to 11, including half sizes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngraving:\u003c\/strong\u003e Available, up to 16 characters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePresentation:\u003c\/strong\u003e Free luxury velvet jewelry box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2\u003eCare\u003c\/h2\u003e\n\u003cp\u003eSapphire is 9 on the Mohs scale and well suited to daily wear. Clean with warm water, mild soap and a soft brush, working the brush along the milgrain. Avoid ultrasonic cleaners and household chemicals, which dull the ruthenium finish, and store the ring in its velvet box rather than loose.\u003c\/p\u003e\n\u003cdiv class=\"product-faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs the sapphire real?\u003c\/summary\u003e\u003cp\u003eYes. It is genuine sapphire, a corundum, lab-grown rather than mined. Same chemistry, same hardness, same color.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWhat color is cornflower sapphire?\u003c\/summary\u003e\u003cp\u003eA soft medium blue with a slight violet cast, the color the most prized natural sapphires are named for. It reads a little more violet under warm indoor light.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eAre the accent stones sapphires too?\u003c\/summary\u003e\u003cp\u003eYes. The two marquise stones and the two rounds are lab-grown sapphire, matched to the center.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eHow big is the center stone?\u003c\/summary\u003e\u003cp\u003e4 × 10 mm, an elongated hexagon set north to south so the length runs along the finger.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs sapphire a birthstone?\u003c\/summary\u003e\u003cp\u003eYes. Sapphire is the September birthstone.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWhat is milgrain?\u003c\/summary\u003e\u003cp\u003eThe row of tiny beads along the edges of the frame and scrolls. It is an antique jeweler's finish that catches light as a line of small highlights.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eHow dark is the black ruthenium finish?\u003c\/summary\u003e\u003cp\u003eRuthenium finishes to a deep gunmetal rather than a flat jet black. The slight reflectivity keeps the milgrain and scrollwork visible instead of flattening them.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWhat is the ring made of?\u003c\/summary\u003e\u003cp\u003eSolid 925 sterling silver throughout, with a black ruthenium finish. No brass or base metal.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eDoes this ring come with other stones?\u003c\/summary\u003e\u003cp\u003eYes. The same Ravenna setting is also made with a Starry Night® center and with natural moss agate. Use the gemstone swatches on this page to switch between them.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWhat sizes are available?\u003c\/summary\u003e\u003cp\u003eSizes 4 through 11, including every half size.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWill a wedding band sit flush against it?\u003c\/summary\u003e\u003cp\u003eNot entirely. The marquise sapphire at the lower point of the frame leaves a gap against a straight band. A contour or chevron band will nest more closely.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eCan I have it engraved?\u003c\/summary\u003e\u003cp\u003eYes. Engraving is available on the inner band, up to 16 characters, and can be added as an option at checkout.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eDoes it come with a ring box?\u003c\/summary\u003e\u003cp\u003eYes. Every order arrives in a free luxury velvet jewelry box.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the sapphire real?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. It is genuine sapphire, a corundum, lab-grown rather than mined. 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