Ligne Impériale Diamond Necklace

Some pieces are worn.
Others become part of your presence.

The Ligne Impériale Necklace is the purest expression of refinement, a continuous line of brilliance, uninterrupted, perfectly balanced, and designed to move as one with you.

Crafted in solid 14K gold, available in both yellow and white variations, this piece is defined by its precision. Each lab-grown diamond is meticulously selected and set in a seamless progression, creating a fluid silhouette that rests elegantly along the neckline.

There is no beginning.
No end.
Only light.

The diamonds graduate subtly in scale, enhancing their natural fire and creating a rhythm that feels almost architectural. Every movement reveals a new reflection, controlled, intentional, and undeniably captivating.

This is not excess.
This is mastery of proportion.

Designed in collaboration with expert jewelers, the structure ensures both strength and flexibility, allowing the necklace to sit flawlessly while maintaining its integrity over time.

A piece of this caliber is not made for moments.

Insured Shipping & Secure Delivery

SPECIFICATIONS

• Material: 14K Gold (Yellow Gold / White Gold)
• Finish: High Polish
• Weight: Approx. 19.84 g
• Chain Style: Diamond Line / Tennis Style
• Chain Length: 16.5 inches (41.9 cm)
• Width: Approx. 3.1 mm
• Clasp Type: Hook & Eye Clasp
• Design: Full Diamond Line Necklace

Diamond Specifications

• Diamond Type: Lab-Grown Diamonds
• Total Carat Weight: 9.50 CTW
• Total Number of Diamonds: 164

Diamond Breakdown:

• 127 × ~0.036 CT (2.0 mm)
• 8 × ~0.040 CT (2.1 mm)
• 6 × ~0.050 CT (2.3 mm)
• 4 × ~0.070 CT (2.5 mm)
• 4 × ~0.090 CT (2.9 mm)
• 4 × ~0.130 CT (3.3 mm)
• 4 × ~0.160 CT (3.5 mm)
• 2 × ~0.200 CT (3.65 mm)
• 2 × ~0.250 CT (3.9 mm)
• 2 × ~0.500 CT (4.9 mm)
• 1 × ~0.630 CT (5.25 mm)

• Diamond Shape: Round Brilliant
• Color: G–H
• Clarity: SI1–SI2
• Cut: Full Cut / Brilliant Cut
• Setting: Precision 3-Prong Setting

DELIVERY & RETURNS

How to Care for Your Jewelry

A little care keeps your Oxfordum pieces looking their best. Follow these simple guidelines.

Solid Gold (10K, 14K, 18K)

• Clean with warm water, a drop of mild soap and a soft brush; rinse and pat dry.
• Remove before swimming in chlorinated pools, cleaning with household chemicals, or heavy work.
• Store pieces separately so harder stones and chains don't scratch softer gold.

Gold Vermeil & Gold-Filled

• Remove before swimming, showering, or exercising.
• Avoid perfume, lotions, and harsh chemicals directly on the piece.
• Store in a cool, dry place — ideally in a pouch or jewelry box.
• Clean with a soft dry cloth after wearing.

Sterling Silver

• Silver naturally tarnishes over time — this is normal.
• Polish with a silver cloth to restore shine.
• Store in an airtight bag or box to slow tarnishing.
• Avoid exposure to chlorine, saltwater, and sulfur.

Plated Pieces

Plating (such as gold or rhodium plating) is a thin surface layer and wears gradually with use. Keep plated pieces away from water, perfume and friction, and check each product page for its specific care notes.

General Tips

• Put jewelry on last — after makeup, hairspray, and perfume.
• Remove before sleeping to prevent bending or breakage.
• Store pieces separately to avoid scratching.

Questions about a specific piece? Contact us — we're happy to help.

Delivery

We ship to the United States and Canada. Orders are prepared and dispatched within 1–3 business days, and delivery typically takes 3–7 business days within the US or 5–10 business days to Canada after dispatch. Canadian orders may be subject to customs duties or brokerage fees on delivery. Once dispatched, you'll receive a confirmation email with your tracking number.

Because we work with specialist suppliers, some orders may arrive in separate packages, each with its own tracking number. Every order ships fully insured.

Track your order →

Returns

We accept returns within 30 days of delivery — including sale items — for pieces in their original, unworn condition and original packaging. Items marked Final Sale on the product page and personalized pieces can't be returned unless they arrive defective or damaged.

To start a return, contact us and we'll send you the return address and instructions. Return shipping is the customer's responsibility, and original shipping charges are non-refundable, unless the item arrived defective, damaged or incorrect. If something is wrong with your order, please let us know within 48 hours of delivery.

Read our full Return & Refund Policy and Shipping Policy.