{"product_id":"vintage-18k-gold-tassel-necklace-quartz-black-onyx-diamond-30-inches","title":"Vintage 18K Gold Tassel Necklace Quartz Black Onyx Diamond - 30 inches","description":"\u003cdiv\u003eVintage Rock crystal quartz and black onyx bead necklace featuring 0.85 carats of full-cut diamonds in 18K yellow gold. Carved beads with diamond-accented tassel measuring 30.5 inches long with 3.5-inch tassel drop, weighing 174.40 grams total.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cstrong\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/div\u003e\u003cul\u003e\n\u003cli\u003eItem Type: Tassel Lariat Necklace\u003c\/li\u003e\n\u003cli\u003eMetal: 18K Yellow Gold\u003c\/li\u003e\n\u003cli\u003eLength: 30.5 inches\u003c\/li\u003e\n\u003cli\u003eTassel Drop: 3.5 inches\u003c\/li\u003e\n\u003cli\u003eTotal Weight: 174.40 grams\u003c\/li\u003e\n\u003cli\u003eClasp: Gold Clasp\u003c\/li\u003e\n\u003cli\u003ePeriod: 1990\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cstrong\u003eDiamond Details:\u003c\/strong\u003e\u003c\/div\u003e\u003cul\u003e\n\u003cli\u003eGemstone: Natural White Diamond\u003c\/li\u003e\n\u003cli\u003eTotal Carat: 0.85 carats\u003c\/li\u003e\n\u003cli\u003eAverage Color: G-H-I\u003c\/li\u003e\n\u003cli\u003eAverage Clarity: SI\u003c\/li\u003e\n\u003cli\u003eCut: Full-Cut Round\u003c\/li\u003e\n\u003cli\u003eQuantity: 26-50 pieces\u003c\/li\u003e\n\u003cli\u003eSetting: Set in Tassel Cap and Connectors\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cstrong\u003eGemstone Details:\u003c\/strong\u003e\u003c\/div\u003e\u003cul\u003e\n\u003cli\u003eRock Crystal Quartz: Carved transparent beads\u003c\/li\u003e\n\u003cli\u003eBlack Onyx: Carved black beads\u003c\/li\u003e\n\u003cli\u003eCount: 25+ pieces total\u003c\/li\u003e\n\u003cli\u003eLarge Onyx Bead Size: Approximately 14.50mm\u003c\/li\u003e\n\u003cli\u003eTassel Onyx Bead Size: Approximately 7.50mm\u003c\/li\u003e\n\u003cli\u003eQuality: Good\u003c\/li\u003e\n\u003cli\u003eTreatment: Natural\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cstrong\u003eDesign \u0026amp; Construction\u003c\/strong\u003e\u003c\/div\u003e\u003cdiv\u003eThe 30.5-inch necklace alternates sections of carved rock crystal quartz beads with round carved black onyx stations connected through 18K yellow gold chain links. The transparent rock crystal beads display faceted carving creating light refraction while the polished black onyx beads provide dramatic color contrast. The design culminates in a 3.5-inch tassel featuring diamond-set gold cap with carved rock crystal and black onyx bead fringe strands. Multiple full-cut diamonds totaling 0.85 carats accent the tassel cap and connector elements throughout the necklace. Gold elements have tested consistently as 18K yellow gold.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cstrong\u003eAbout Rock Crystal and Onyx Jewelry\u003c\/strong\u003e\u003c\/div\u003e\u003cdiv\u003eRock crystal quartz and black onyx represent classic gemstone combinations in fine jewelry, offering stark color contrast between transparent colorless quartz and opaque black onyx. Carved beads demonstrate traditional lapidary techniques creating faceted or smooth surfaces that enhance each material's natural properties. At 174.40 grams in solid 18K yellow gold with 0.85 carats of G-H-I color SI clarity diamonds plus numerous carved gemstone beads, this necklace delivers substantial luxury presence and investment-grade materials.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cstrong\u003eCondition Notes:\u003c\/strong\u003e Overall very good condition. Black onyx beads in tassel measure approximately 7.50mm while larger beads along necklace measure approximately 14.50mm. Multiple areas tested consistently as 18K gold.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 30.5 inches length | 3.5 inches tassel drop | 14.50mm large onyx beads | 7.50mm tassel beads | 174.40 grams total weight\u003c\/div\u003e","brand":"ASSAY","offers":[{"title":"Default Title","offer_id":46377989800126,"sku":"POTC2375N","price":16614.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0508\/5724\/6910\/files\/Vintage-18K-Gold-Tassel-Necklace-Quartz-Black-Onyx-Diamond-30-inches-Necklace.jpg?v=1770308373","url":"https:\/\/de.assayjewelers.com\/de\/products\/vintage-18k-gold-tassel-necklace-quartz-black-onyx-diamond-30-inches","provider":"ASSAY","version":"1.0","type":"link"}