What is IGI certification?

The International Gemological Institute (IGI) is a leading independent laboratory that evaluates and grades diamonds. An IGI certificate guarantees the authenticity, quality, and specific characteristics (cut, colour, clarity, and carat) of our lab-grown diamonds, giving you complete confidence in your purchase.

Why choose lab-grown diamonds?

Lab-grown diamonds are physically, chemically, and optically identical to natural diamonds. They offer exceptional value and beauty while being created in highly controlled environments, making them a brilliant choice for modern fine jewellery.

Do you offer a warranty?

Yes. We stand behind our craftsmanship with a complimentary lifetime warranty on all pieces.

How long does delivery take?

• Ready-to-ship pieces are dispatched within 24 hours • Bespoke creations are typically delivered within 3–4 weeks

Do you offer a warranty?

Yes. All Masaat London pieces are covered by a complimentary lifetime warranty.

Exquisite Natural and Lab-Grown Diamond Rings

At Masaat, our Rings collection brings together fine diamond jewellery crafted to order in the United Kingdom. Every ring is set in natural or lab-grown diamonds, with premium metals chosen for lasting quality.

Marquise Cut Halo Yellow Diamond Pave Band Ring

From £292.43 per month

£3,899

Marquise Cut Halo Diamond Pave Band Ring

From £292.43 per month

£3,899

Oval Cut Halo Yellow Diamond Pave Band Ring

From £292.43 per month

£3,899

Oval Cut Halo Diamond Pave Band Ring

From £292.43 per month

£3,899

Pear Cut Halo Diamond Pave Band Ring

From £292.43 per month

£3,899

Round Cut Halo Yellow Diamond Pave Band Ring

From £292.43 per month

£3,899

Round Cut Halo Diamond Pave Band Ring

From £292.43 per month

£3,899

Ships in 24 hours

49 1.88ct Pink Tourmaline & Diamond Toi et Moi Ring

From £292.43 per month

£3,899

29 1.20ct Emerald & Diamond Pavé Ring

From £292.43 per month

£3,899

Cushion Cut Halo Yellow Diamond Pave Band Ring - Platinum (950) - 4ct

Cushion Cut Halo Yellow Diamond Ring

From £284.93 per month

£3,799

Heart Cut Halo Yellow Diamond Ring

From £284.93 per month

£3,799

Ships in 24 hours

54 1.53ct Deep Green Tourmaline & Diamond Toi et Moi Ring

From £284.93 per month

£3,799

Ships in 24 hours

52 1.31ct Green Tourmaline & Diamond Trilogy Ring

From £284.93 per month

£3,799

Ships in 24 hours

47 1.53ct Deep Green Tourmaline & Diamond Toi et Moi Ring

From £284.93 per month

£3,799

Ships in 24 hours

46 1.79ct Olive Green Tourmaline & Diamond Trilogy Ring

From £284.93 per month

£3,799

Pear Cut Halo Yellow Diamond Ring

From £277.43 per month

£3,699

Ships in 24 hours

48 1.99ct Pink Tourmaline & Diamond Trilogy Ring

From £277.43 per month

£3,699

Ships in 24 hours

45 2.68ct Cushion Cut Green Tourmaline & Diamond Trilogy Ring

From £277.43 per month

£3,699

Eternity Emerald Cut Diamond Ring

From £269.93 per month

£3,599

Ships in 24 hours

53 1.01ct Blue Tourmaline & Diamond Trilogy Ring

From £269.93 per month

£3,599

Ships in 24 hours

50 1.70ct Blue Green Tourmaline & Diamond Toi et Moi Ring

From £262.43 per month

£3,499

Ships in 24 hours

44 1.51ct Deep Green Tourmaline & Diamond Toi et Moi Ring

From £262.43 per month

£3,499

Ships in 24 hours

43 1.71ct Emerald Cut Aquamarine & Diamond Trilogy Ring

From £247.42 per month

£3,299

Half-Eternity Round Cut Blue Diamond Ring

From £239.92 per month

£3,199

Showing 121–144 of 407 products

Exquisite Natural and Lab-Grown Diamond Rings

Marquise Cut Halo Yellow Diamond Pave Band Ring

From £292.43 per month

£3,899

Marquise Cut Halo Diamond Pave Band Ring

From £292.43 per month

£3,899

Oval Cut Halo Yellow Diamond Pave Band Ring

From £292.43 per month

£3,899

Oval Cut Halo Diamond Pave Band Ring

From £292.43 per month

£3,899

Pear Cut Halo Diamond Pave Band Ring

From £292.43 per month

£3,899

Round Cut Halo Yellow Diamond Pave Band Ring

From £292.43 per month

£3,899

Round Cut Halo Diamond Pave Band Ring

From £292.43 per month

£3,899

Ships in 24 hours

49 1.88ct Pink Tourmaline & Diamond Toi et Moi Ring

From £292.43 per month

£3,899

29 1.20ct Emerald & Diamond Pavé Ring

From £292.43 per month

£3,899

Cushion Cut Halo Yellow Diamond Ring

From £284.93 per month

£3,799

Heart Cut Halo Yellow Diamond Ring

From £284.93 per month

£3,799

Ships in 24 hours

54 1.53ct Deep Green Tourmaline & Diamond Toi et Moi Ring

From £284.93 per month

£3,799

Ships in 24 hours

52 1.31ct Green Tourmaline & Diamond Trilogy Ring

From £284.93 per month

£3,799

Ships in 24 hours

47 1.53ct Deep Green Tourmaline & Diamond Toi et Moi Ring

From £284.93 per month

£3,799

Ships in 24 hours

46 1.79ct Olive Green Tourmaline & Diamond Trilogy Ring

From £284.93 per month

£3,799

Pear Cut Halo Yellow Diamond Ring

From £277.43 per month

£3,699

Ships in 24 hours

48 1.99ct Pink Tourmaline & Diamond Trilogy Ring

From £277.43 per month

£3,699

Ships in 24 hours

45 2.68ct Cushion Cut Green Tourmaline & Diamond Trilogy Ring

From £277.43 per month

£3,699

Eternity Emerald Cut Diamond Ring

From £269.93 per month

£3,599

Ships in 24 hours

53 1.01ct Blue Tourmaline & Diamond Trilogy Ring

From £269.93 per month

£3,599

Ships in 24 hours

50 1.70ct Blue Green Tourmaline & Diamond Toi et Moi Ring

From £262.43 per month

£3,499

Ships in 24 hours

44 1.51ct Deep Green Tourmaline & Diamond Toi et Moi Ring

From £262.43 per month

£3,499

Ships in 24 hours

43 1.71ct Emerald Cut Aquamarine & Diamond Trilogy Ring

From £247.42 per month

£3,299

Half-Eternity Round Cut Blue Diamond Ring

From £239.92 per month

£3,199

Showing 121–144 of 407 products