London Blue Spinel | Heart Cut | 10x10 mm & 8x8 mm | Gemdrop® Verified

£4.65

lab-grown spinel in London Blue, precision-cut in Heart Cut (10 x 10 mm; 8 x 8 mm). Cubic spinel combines high transparency, vivid colour and well-defined faceting.

Jewellery Applications: symbolic pendants, charm jewellery, motif rings and earrings.

Scientific Specifications

Carat Weight	~3.5 ct (10 x 10 mm); 8 x 8 mm weight not specified
Colour	London Blue
Gem Type	Lab-Grown Spinel
Material	Magnesium aluminium oxide (MgAl₂O₄)
Cut Style	Heart Cut
Dimensions	10 x 10 mm; 8 x 8 mm
Clarity	Loupe Clean
Growth Method	Flame Fusion (Verneuil)
Hardness	8

What Our Customers Say

“Omg amazing so so lovely 🥰 can’t wait to have them set. And the little message was super personal and the fact Al took time to write that too. Thank you I will be back buying soon xxx”

— Jinny J., Gemdrop® customer

Scientifically Verified with an Ironclad Lifetime Guarantee

Every Gemdrop® gem is scientifically verified, assigned a unique Gemdrop ID, and permanently documented online.

Protected by our Lifetime Authenticity Guarantee, covering verified material identity.

Discover the Science: Gemdrop® Spinel.

Fast Worldwide Shipping & 14-Day Returns

Typically dispatched within 0–1 business days. Secure, fully tracked worldwide shipping from the UK.

Shop with confidence: Eligible UK and EU customers have 14 days from delivery to request a return, plus a further 14 days to send it back, subject to our Returns Policy.