Lab Sapphire Cushion Cut Double-Layer Square Halo Pendant Necklace | S925 Silver Diamond Pavé Bow Bail

A vivid blue cushion inside two squares of diamonds, suspended from a bow of white light. The pendant that looks like it was made for a royal portrait.

A cushion-cut lab-grown sapphire in vivid, deeply saturated royal blue sits in a four-prong setting within a double-layer square diamond halo of exceptional decorative complexity: an inner square pavé halo of approximately twenty small round brilliant diamonds, densely set in a continuous frame immediately surrounding the sapphire, and an outer square prong-set halo of approximately sixteen large round brilliant diamonds, each individually set along the outer perimeter of the square frame, creating two concentric layers of white diamond brilliance around the sapphire’s vivid blue. The double-layer construction amplifies the sapphire’s colour by surrounding it with two layers of white light — the inner pavé ring’s dense, continuous coverage and the outer ring’s bold, individually set large diamonds creating a halo of exceptional visual weight and considered complexity. Above the pendant, the bail is a round brilliant diamond pavé bow knot: two complete circular loops of full-coverage round brilliant diamond pavé forming the bow’s two wings, with a single large round brilliant diamond at the bow’s centre knot and a second large round brilliant diamond suspended below the knot as the connection point to the double-layer halo pendant. The bow bail’s full-coverage pavé construction — every surface of both loops covered in round brilliant diamonds — creates a bail of exceptional three-dimensional diamond presence that catches light from every angle as the pendant moves. The complete vertical composition — the pavé bow above, the large diamond connector, and the double-layer square halo pendant below — creates a necklace of exceptional architectural depth and couture-house complexity. Suspended on a polished S925 silver cable chain.

Why You'll Love It

• Diamond pavé bow bail — two complete circular loops of full-coverage round brilliant diamond pavé form the bow’s two wings, with a large round brilliant diamond at the centre knot and a second large diamond as the connection point below; the bow bail’s full-coverage pavé construction creates a bail of exceptional three-dimensional diamond presence, and the bow format’s romantic, celebratory character gives the necklace a considered symbolic depth
• Double-layer square diamond halo — an inner square pavé halo of approximately twenty small round brilliant diamonds and an outer square halo of approximately sixteen large individually set round brilliant diamonds create two concentric layers of white diamond brilliance; the double-layer construction amplifies the sapphire’s vivid blue with two layers of white light, and the outer ring’s large individually set stones give the halo a visual weight that a single-layer halo cannot achieve
• Cushion-cut sapphire centrepiece — the cushion cut’s rounded corners and deep pavilion create a stone of exceptional colour depth and warmth; the vivid royal blue appears to glow from within, and the cushion’s soft, rounded silhouette creates a focal point of exceptional visual warmth within the double-layer square halo’s geometric precision
• Complete vertical composition — the pavé bow above, the large diamond connector, and the double-layer square halo pendant below create a necklace of exceptional architectural depth; the complete vertical composition reads as a single, considered design from chain to pendant base, and the necklace’s substantial presence gives it a commanding quality on the chest
• Guilt-free luxury — lab-grown sapphires share the same optical and chemical properties as mined stones, with a significantly lower environmental footprint

Product Details

• Metal: S925 Sterling Silver
• Gemstone: Lab-Grown Sapphire (Vivid Royal Blue), Cushion Cut
• Inner Halo: Round Brilliant Diamond Pavé, Square Frame (~20 stones, continuous)
• Outer Halo: Round Brilliant Diamond, Individually Set (~16 stones, square formation)
• Bail: Round Brilliant Diamond Pavé Bow Knot (full-coverage loops + large diamond centre knot + large diamond connector)
• Chain: S925 Silver Cable Chain (included)
• Style: Double-Layer Square Halo Bow Pendant Necklace
• Finish: High Polish
• SKU: P0699DB

At LabGrownPro, we believe fine jewellery should be beautiful, ethical, and accessible. Every piece is crafted with care — for you, and for the planet.