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More: Necklaces · Shop All Solid Gold Jewelry · Marquise tennis necklaces
The Marquise Tourmaline Éclat 18K Gold Tennis Necklace is an elegant fusion of vivid color, refined craftsmanship, and timeless silhouette. Handcrafted in radiant 18K solid gold, this exquisite necklace showcases a continuous line of natural marquise-cut tourmalines, each shaped into a graceful 3×5 mm profile that enhances the gemstone’s natural brilliance and elongated beauty.
The marquise cut, known for its captivating sparkle and flattering symmetry, gives every tourmaline a luminous presence. Hand-selected for clarity, color, and uniformity, the gemstones create a harmonious flow of rich tones—delivering a statement that is sophisticated yet effortlessly wearable. The classic tennis design elevates the tourmaline’s vibrancy while offering a clean, balanced aesthetic suitable for all styles.
Available in White, Yellow, or Rose Gold, the necklace adapts beautifully to personal taste: cool and modern in white gold, warm and vivid in yellow gold, or soft and romantic in rose gold. Lightweight yet luxurious, it is ideal for everyday wear and transitions seamlessly into special-occasion elegance.
A refined piece for gemstone enthusiasts and a striking addition to any fine jewelry collection.
 
Key Features :
 
Metal: 18K Solid Gold (Available in White, Rose, and Yellow Gold)
Gemstone: Natural Tourmaline
Stone Cut: Marquise Cut
Stone Size: 3x5mm
Design: Classic Tennis Necklace
Style: Elegant and Timeless
Versatility: Ideal for everyday wear and special occasions
Certifications Gemologist Report (YGA) & BIS Hallmarked
Shipping Time 4 business days to make and dispatch, plus about 4 business days in transit (around 8 business days total)
Customer Support: Available via live chats and video calls.

Frequently Asked Questions
Can this necklace be layered with other necklaces?
Yes. This piece works well as part of a layered look — pair it with a slightly shorter or longer chain in a different style for contrast, or wear it alone for a cleaner, minimalist look.
How much does this tennis tourmaline necklace cost in solid gold?
Pricing on this tennis tourmaline necklace runs from $6,981 (10K) to $7,876 (14K) to $8,950 (18K) at The Karat Store, with every option solid gold throughout.
Should I choose 10K, 14K, or 18K gold for this necklace?
18K gold gives the deepest color, 14K gold is the everyday favorite for its balance of strength and value, and 10K gold is the toughest and most budget-friendly.
How can I tell this is real solid gold and not gold-plated?
This necklace is solid gold throughout, not gold-plated — the karat purity runs all the way through the metal, not just a surface layer. Unlike plated jewelry, it won't flake, discolor, or expose base metal over time, and it carries a karat hallmark stamp as proof of authenticity.
Is a tennis tourmaline necklace a good gift?
Yes. Tourmaline necklaces are a popular gift for birthdays, anniversaries, and holidays — a meaningful step up from costume jewelry, and tourmaline set in solid gold holds its value and appearance far longer than plated pieces.
How do I clean and care for this necklace at home?
Clean every few weeks with warm water, a mild soap, and a soft brush, then dry thoroughly. Take it off before applying perfume or lotion, and store it flat in its own pouch to prevent tangling and scratches.
Material: Solid 10K, 14K & 18K gold set with tourmaline
Available Metal Colours: Yellow Gold, White Gold, Rose Gold
Available Metal Karats: 10K, 14K, 18K
Available Chain Lengths: 14", 16", 18", 20", 22", 24"
Necklace Style: Tennis necklace