{"product_id":"carmilla-lab-grown-ruby-black-onyx-stud-earrings-in-sterling-silver","title":"Carmilla Lab-Grown Ruby \u0026 Black Onyx Stud Earrings in Sterling Silver","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 #d4c0c0; 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: #f5eced; border-left: 3px solid #8e3a3a; 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: #f5eced; color: #8e3a3a; padding: 0.4em 0.9em; border-radius: 100px; font-size: 0.88em; font-weight: 500; border: 1px solid #d4c0c0; }\n.product-rich-content .ring-callout { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1em; margin: 1.2em 0; }\n.product-rich-content .ring-callout .ring-card { padding: 1em 1.2em; background: #fafafa; border: 1px solid #ececec; border-radius: 6px; }\n.product-rich-content .ring-callout .ring-card h3 { font-size: 0.95em; font-weight: 600; margin: 0 0 0.4em 0; color: #8e3a3a; letter-spacing: 0.04em; text-transform: uppercase; }\n.product-rich-content .ring-callout .ring-card p { margin: 0.4em 0; font-size: 0.92em; }\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: #8e3a3a; }\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: #8e3a3a; 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 #d4c0c0; }\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 .ring-callout { grid-template-columns: 1fr; }\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\"\u003eOval lab-grown ruby studs, each held in a carved scroll frame with a black onyx pear beneath and cubic zirconia at the crest and points. Solid 925 sterling silver with a rhodium finish, so the bright metal throws the red forward.\u003c\/p\u003e\n\u003cdiv class=\"feature-pills\"\u003e\n\u003cspan class=\"pill\"\u003eLab-Grown Ruby\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eNatural Black Onyx\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eOval Cut\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eLeaf \u0026amp; Vine Carving\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003eSolid 925 Sterling Silver\u003c\/span\u003e\n\u003cspan class=\"pill\"\u003ePost \u0026amp; Butterfly Backs\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch2\u003eHow the Pair Is Built\u003c\/h2\u003e\n\u003cdiv class=\"ring-callout\"\u003e\n\u003cdiv class=\"ring-card\"\u003e\n\u003ch3\u003eCrowned Crest\u003c\/h3\u003e\n\u003cp\u003eA round accent sits in a small carved crown above the center stone, echoing the crest on the Carmilla rings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ring-card\"\u003e\n\u003ch3\u003eScroll Frame\u003c\/h3\u003e\n\u003cp\u003eTwo curls of carved metal sweep out from the oval, the same leaf-and-scroll vocabulary that runs through the family.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ring-card\"\u003e\n\u003ch3\u003eOnyx Drop\u003c\/h3\u003e\n\u003cp\u003eA black onyx pear sits below the center, held between carved leaves and closed by one more accent at the point.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eThese are the earring half of the Carmilla family and repeat the ring's design at a smaller scale. They wear as everyday studs rather than occasion pieces. Our guides to gothic earrings and earring types cover where a stud like this sits among the alternatives.\u003c\/p\u003e\n\u003ch2\u003eThe Lab-Grown Ruby and Black Onyx\u003c\/h2\u003e\n\u003cp\u003eRuby is corundum — the red variety — and corundum is a 9 on the Mohs scale, second only to diamond. For earrings worn every day that hardness matters. Our guide to what ruby means covers the history, and garnet versus ruby is worth reading if you are choosing between the two reds.\u003c\/p\u003e\n\u003cp\u003eThese stones are lab-grown, with the same chemistry, hardness and optical behavior as mined corundum, in a saturated blood red that would be scarce and expensive in nature at matched sizes across a pair.\u003c\/p\u003e\n\u003cp\u003eThe pear beneath each center is natural black onyx — opaque, evenly black, and the reason the red reads as vivid as it does. Our black onyx guide covers the material.\u003c\/p\u003e\n\u003ch2\u003eMetal and Accents\u003c\/h2\u003e\n\u003cp\u003eSolid 925 sterling silver with a rhodium finish — the same platinum-group metal used on white gold. The rhodium gives the bright white surface and shields the silver underneath from tarnishing.\u003c\/p\u003e\n\u003cp\u003eThe white accents are cubic zirconia. Moissanite or lab-grown diamond accents are available as a custom order.\u003c\/p\u003e\n\u003cp\u003ePart of our earrings collection, alongside the rest of our sterling silver jewelry. Ruby is the July birthstone — see our July birthstone guide and the July birthstone collection.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Stud earrings, sold as a pair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter stones:\u003c\/strong\u003e Lab-grown ruby, oval cut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccent stones:\u003c\/strong\u003e Natural black onyx pears; cubic zirconia throughout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal:\u003c\/strong\u003e Solid 925 sterling silver, rhodium finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Carved leaf and vine with scrollwork\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFastening:\u003c\/strong\u003e Posts with butterfly push-backs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e 9 on the Mohs scale (ruby)\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\u003eRuby is 9 on the Mohs scale and among the most durable stones for daily wear; onyx is softer at 7 and prefers to avoid knocks. Clean with warm water, mild soap and a soft brush — our guide to cleaning sterling silver covers the method. Avoid abrasive polishes and chlorine, which wear the rhodium finish.\u003c\/p\u003e\n\u003cdiv class=\"product-faq\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eDo these match the Carmilla ruby ring set?\u003c\/summary\u003e\u003cp\u003eYes. They share the carved leaf-and-scroll frame, the lab-grown ruby center and the black onyx of the Carmilla bridal set in sterling silver, so the pieces read as one family.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs the ruby real?\u003c\/summary\u003e\u003cp\u003eYes. It is a genuine ruby — corundum — lab-grown rather than mined. Identical chemistry, hardness and color behavior. The difference is origin, not authenticity.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWhy lab-grown rather than natural?\u003c\/summary\u003e\u003cp\u003eA saturated red at matched sizes across a pair would be rare and very costly in mined corundum. Lab-grown gives the same material and the same 9 Mohs hardness at a fraction of the price, with a known origin.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs the black onyx natural?\u003c\/summary\u003e\u003cp\u003eYes. The pear beneath each center stone is natural black onyx.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eAre the white accent stones diamonds?\u003c\/summary\u003e\u003cp\u003eNo. They are cubic zirconia. Moissanite or lab-grown diamond accents are available as a custom order.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eIs ruby a birthstone?\u003c\/summary\u003e\u003cp\u003eYes — ruby is the July birthstone.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWhat kind of earring backs do they have?\u003c\/summary\u003e\u003cp\u003ePosts with butterfly push-backs. The post is solid sterling silver, and the backs are included.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eAre they sold as a pair?\u003c\/summary\u003e\u003cp\u003eYes — the price is for the pair, and both earrings ship together in one box.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWhat is it made of?\u003c\/summary\u003e\u003cp\u003eSolid 925 sterling silver throughout, hallmarked, with a rhodium finish for a bright white surface. No brass or base metal.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eWill the silver tarnish?\u003c\/summary\u003e\u003cp\u003eThe rhodium finish acts as a barrier, so it resists the darkening untreated sterling develops. The finish does wear thin after years of daily wear — we can refinish the pair when it does.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\u003csummary\u003eAre the stones ethically sourced?\u003c\/summary\u003e\u003cp\u003eYes. All Aquamarise stones are conflict-free and responsibly sourced, and 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{\"@type\": \"Question\", \"name\": \"Do these match the Carmilla ruby ring set?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. They share the carved leaf-and-scroll frame, the lab-grown ruby center and the black onyx of the Carmilla bridal set in sterling silver, so the pieces read as one family.\"}},\n{\"@type\": \"Question\", \"name\": \"Is the ruby real?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. It is a genuine ruby — corundum — lab-grown rather than mined. Identical chemistry, hardness and color behavior. The difference is origin, not authenticity.\"}},\n{\"@type\": \"Question\", \"name\": \"Why lab-grown rather than natural?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A saturated red at matched sizes across a pair would be rare and very costly in mined corundum. Lab-grown gives the same material and the same 9 Mohs hardness at a fraction of the price, with a known origin.\"}},\n{\"@type\": \"Question\", \"name\": \"Is the black onyx natural?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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