Floating Moissanite Necklace, 0.5ct to 5ct, 925 Silver

The stone on this necklace is carried on a clear line rather than a visible chain, so there is almost no metal around it and the stone appears to sit on the skin by itself. That matters for one practical reason: a pendant bail and a heavy chain both block light from reaching the back of a stone. Take them away and the stone is lit from behind as well as in front, so a brilliant cut here returns far more light than the same stone slung on a solid chain.

Each stone is certified brilliant cut moissanite. The brilliant cut is engineered to send light back up through the top of the stone rather than leaking it out of the sides, which is why it reads bright at every size on this list. Moissanite adds its own advantage with a refractive index around 2.65 against diamond at 2.42, so it bends light harder and shows more coloured fire. At 9.25 on the Mohs scale it also resists the scratches a neckline collects.

Five weights are offered and they read very differently. The 0.5ct at 5mm and the 1ct at 6.5mm are everyday sizes that work under a collar. The 2ct at 8mm is the one most people settle on, visible without announcing itself. The 3ct at 9mm and the 5ct at 11mm are deliberate statement stones for an open neckline. The fitting is S925 sterling silver plated in 18k gold.

• Stone: brilliant cut moissanite, certified
• Options: 0.5CT 5mm, 1CT 6.5mm, 2CT 8mm, 3CT 9mm, 5CT 11mm
• Metal: S925 sterling silver, 18k gold plated
• Setting: clear line, floating stone
• Style: single stone solitaire pendant
• Supplied with certification