Solid Gold Aureum Contour 18K Gold Rigid Natural Diamond Tennis Choker
The Karat Store · Handcrafted in Solid Gold
The Aureum Contour 18K Rigid Natural Diamond Tennis Choker is a sculptural expression of modern luxury—crafted for those who appreciate clean lines, precision, and elevated simplicity. Designed in radiant 18K solid gold, this choker features a rigid, perfectly contoured structure that frames the collarbone with architectural elegance. Unlike traditional fluid tennis styles, its firm silhouette ensures a flawless, tailored fit that feels both contemporary and undeniably chic.
Set with 6 carats of natural diamonds in VS2 clarity and G-color brilliance, each stone is meticulously placed to deliver a sharp, high-definition sparkle against the choker’s polished gold surface. The high-gloss finish enhances the diamonds’ luminosity, creating a mesmerizing interplay of light with every turn of the head.
Available in 18K White, Yellow, and Rose Gold, the design offers versatility while maintaining its iconic, minimalist sophistication. The necklace sits comfortably and securely, making it ideal for evening glamour, high-fashion styling, or statement layering.
GIA certified and BIS hallmarked, this piece is a testament to impeccable craftsmanship, authenticity, and enduring value. A modern heirloom for collectors who embrace bold, structured elegance.
Product Details :
Frequently Asked Questions
Is diamond durable enough for everyday wear?
Yes. Diamond rates 10 on the Mohs hardness scale, making this piece durable enough for daily wear.
How much does this diamond necklace cost in solid gold?
At The Karat Store, this diamond necklace starts at $6,656.52 in 10K gold, $7,509.92 in 14K gold, and $8,534 in 18K gold — all solid gold, not plated.
Should I choose 10K, 14K, or 18K gold for this piece?
18K gold (75% pure) has the richest color and softest feel. 14K gold (58.3% pure) is the most popular balance of durability and value. 10K gold (41.7% pure) is the most affordable and most scratch-resistant.
Is this solid gold all the way through, or just gold-plated?
This piece is solid gold throughout, not gold-plated — the karat purity runs all the way through the metal. 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.
How do I clean and care for this piece at home?
Clean gently with warm water, a mild soap, and a soft brush, then dry thoroughly. Avoid chlorine, harsh chemicals, and ultrasonic cleaners, and store it separately from other jewelry to prevent scratching.
Material: Solid 10K, 14K & 18K gold set with natural diamonds
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
Explore more: Necklaces | Shop All Solid Gold Jewelry
Every piece is cast and finished by hand in genuine solid gold — choose 10ct, 14ct or 18ct in yellow, white or rose gold. Never plated, never filled, made to be worn for a lifetime.
Stones are conflict-free: lab-grown diamonds, moissanite and hand-selected natural gemstones, each set and polished by our artisans.
Your jewellery is crafted to order in your chosen gold colour, carat and size.
All ring sizes are shown in UK sizes (letters), and every size is the same price within each gold colour and carat. Half sizes (e.g. L½) are available in the size selector.
| UK | Inside diameter (mm) | Inside circumference (mm) |
|---|---|---|
| H | 14.7 | 46.1 |
| I | 15.1 | 47.4 |
| J | 15.5 | 48.7 |
| K | 15.9 | 49.9 |
| L | 16.3 | 51.2 |
| M | 16.7 | 52.5 |
| N | 17.1 | 53.8 |
| O | 17.5 | 55.0 |
| P | 17.9 | 56.3 |
| Q | 18.3 | 57.6 |
| R | 18.7 | 58.9 |
| S | 19.1 | 60.2 |
| T | 19.6 | 61.4 |
| U | 20.0 | 62.7 |
| V | 20.4 | 64.0 |
| W | 20.8 | 65.3 |
| X | 21.2 | 66.5 |
| Y | 21.6 | 67.8 |
| Z | 22.0 | 69.1 |
| Z+1 | 22.4 | 70.4 |
Not sure of your size? Measure the inside of a ring that already fits, use a ring sizer, or visit a local jeweller for a professional sizing. We are happy to help — get in touch before you order.
Remove your jewellery before swimming, cleaning or the gym. Clean gently with warm water, mild soap and a soft brush, then dry with a lint-free cloth. Store each piece separately to prevent scratches.
Solid Gold, Always
Crafted in genuine 10ct, 14ct or 18ct gold — never plated, never filled.
Made to Order
Handcrafted for you and dispatched within 4 working days.
Conflict-Free Stones
Lab-grown diamonds, moissanite and hand-selected gemstones.
Personal Guidance
Questions on ring size, gold or stones? We are here to help.
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