10k Madi K 3mm Sapphire Heart Birthstone Necklace

Key Features:

• Metal Type: 10K Yellow Gold
• Purity: 10K (41.7% pure gold)
• Chain Length: 15 inches — rope chain sized to sit the pendant close to the collarbone
• Stone: 3mm Sapphire — heart-cut, September birthstone, faceted to maximise depth of colour at a small scale.
• Setting: Polished 10K yellow gold frame — classic warm-and-cool colour pairing that frames the stone without overwhelming it.
• Chain Style: Rope chain — consistent with the wider Madi K birthstone heart collection.
• Suitable For: September birthdays, anniversaries, graduations, and year-round wear.
• Maintenance and Caring: To maintain the polished finish, remove the necklace before swimming, exercising, showering, or using chemical products such as perfume or lotions. Store separately in a soft pouch or jewellery box to avoid scratching. Clean gently with a soft cloth and mild soap solution, rinsing thoroughly with warm water.

September's Deep Blue, Set in a Symbol of Affection

Sapphire's classic deep blue has carried associations of wisdom, loyalty, and nobility across centuries of jewelry history, a colour serious enough to anchor royal jewels and versatile enough to suit a simple, everyday pendant. This 10K yellow gold Madi K necklace sets a 3mm heart-cut sapphire in polished gold, giving September's birthstone the universal shape of sentiment. The contrast between the sapphire's cool blue and the warm yellow gold setting is one of the most classic colour pairings in fine jewelry, and it holds up just as well at this delicate scale as it does in larger pieces.

Built to the same lightweight, wearable standard as the rest of the Madi K birthstone heart collection, this necklace is designed for daily wear rather than occasional use. The heart-shaped sapphire is faceted to make the most of its depth of colour even at a small carat size, and the polished 10-karat gold setting frames the stone without overwhelming it.

Part of a Considered Birthstone Collection

Like its companion pieces in aquamarine, emerald, ruby, and peridot, this necklace is strung on a 15-inch rope chain, the length and chain style chosen specifically to suit this scale of heart pendant, sitting close enough to the collarbone to be seen and appreciated without becoming a distraction. The consistency across the collection means a person can build a small set of birthstone necklaces, one for each family member's birth month, all sharing the same considered design language.

A September Birthday Gift, or a Year-Round Favourite

Sapphire's reputation for timelessness makes this necklace work well beyond birthstone gifting, it suits anniversaries, graduations, or simply a personal preference for blue over any other colour. For a September birthday specifically, it is a direct and meaningful way to mark the occasion in real gold and a genuine gemstone, rather than a generic gift with no connection to the date being celebrated.