The Sovereign Crest with a blue lab-grown marquise diamond in 14K yellow gold
The Sovereign Crest with a blue lab-grown marquise diamond in 14K yellow gold, side profile
The Sovereign Crest with a blue lab-grown marquise diamond in 14K yellow gold, bridge detail
The Sovereign Crest with a blue lab-grown marquise diamond in 14K yellow gold, on the hand
The Sovereign Crest with a blue lab-grown marquise diamond in 14K white gold
The Sovereign Crest with a blue lab-grown marquise diamond in 14K white gold, side profile
The Sovereign Crest with a blue lab-grown marquise diamond in 14K white gold, bridge detail
The Sovereign Crest with a blue lab-grown marquise diamond in 14K white gold, on the hand
The Sovereign Crest with a blue lab-grown marquise diamond in 14K rose gold
The Sovereign Crest with a blue lab-grown marquise diamond in 14K rose gold, side profile
The Sovereign Crest with a blue lab-grown marquise diamond in 14K rose gold, bridge detail
The Sovereign Crest with a blue lab-grown marquise diamond in 14K rose gold, on the hand
The Sovereign Crest blue diamond in 14K white gold — worn on the hand (far to close) [ld m=w shot=wear]
The Sovereign Crest blue diamond in 14K white gold — close-up detail [ld m=w shot=close]
Lab diamond carat size comparison on the hand [ld all]

The Sovereign Crest — Blue Diamond Marquise

Starting from $1,950.00

Handcrafted by our family studio · Made to order


Inquiry first · Fancy-colour stone sourced for you

Fancy-colour diamonds are sourced one at a time, so we confirm the stone with you first. No payment is taken now. Our family team replies within 48 hours.

  • Fully Insured Worldwide Shipping
  • Lifetime Craftsmanship Warranty

The Sovereign Crest, set with a blue lab-grown diamond.

A marquise in fancy blue rises between flowing infinity curves, held in soft claw prongs over a hidden halo. Pear and round white diamonds run through the band with crown-like symmetry.

We first made it for a client who wanted our Sovereign Crest in blue. Every center diamond is IGI-certified; the blue colour comes from a post-growth treatment, noted plainly on the report.

Crafted to Last. Guaranteed.

Every Luther’s Diamonds piece is handcrafted by our family studio. We include a Lifetime Craftsmanship Warranty for any manufacturing defect.

Learn More →