Certified Diamond Jewellery

Diamonds aren't just stones; they are a promise for a lifetime. From mine to finger, we at TJC trace every step of the journey so you know exactly what you are wearing. Transparency isn't a buzzword here; we say it's your right! Discover our certified diamond jewellery pieces that come with transparent sourcing and craftsmanship that refuses to cut corners. Cause we believe diamonds should be as real as you are!

Certified & Appraised Certified & Appraised Diamond Jewellery Sets Diamond Jewellery Sets Certified Jewellery Certified Jewellery Silver Diamond Jewellery Silver Diamond Jewellery Platinum Diamond Jewellery Platinum Diamond Jewellery Rose Gold Diamond Jewellery Rose Gold Diamond Jewellery White Gold Diamond Jewellery White Gold Diamond Jewellery Yellow Gold Diamond Jewellery Yellow Gold Diamond Jewellery Black Friday Diamond Jewellery Black Friday Diamond Jewellery
225 Products
Featured
Most relevant
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old
Featured
Most relevant
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old
Skip to results list
Last in stock

LUXURIANT SGL Certified 1 Ct. Lab Grown Diamond VS E-F Trilogy Ring in 9K Yellow Gold

LUXURIANT SGL Certified 1 Ct. Lab Grown Diamond VS E-F Trilogy Ring in 9K Yellow Gold
37% OFF
£499.99 £799.99
£499.99 £799.99
(3)
Or 5 x Payments
Last in stock

Luxuriant - 950 Platinum IGI Certified Lab Grown Diamond (D/IF) Solitaire Ring 2.00 Ct, Platinum Wt. 3.10 Gms

Luxuriant - 950 Platinum IGI Certified Lab Grown Diamond (D/IF) Solitaire Ring 2.00 Ct, Platinum Wt. 3.10 Gms
28% OFF
£1,999.99 £2,799.99
£1,999.99 £2,799.99
Or 5 x Payments
Last in stock

Luxuriant - 950 Platinum IGI Certified Lab Grown Diamond (D/IF) Solitaire Ring 2.00 Ct, Platinum Wt. 2.80 Gms

Luxuriant - 950 Platinum IGI Certified Lab Grown Diamond (D/IF) Solitaire Ring 2.00 Ct, Platinum Wt. 2.80 Gms
37% OFF
£2,499.99 £3,999.99
£2,499.99 £3,999.99
Or 5 x Payments
Last in stock

Luxuriant - 950 Platinum IGI Certified Lab Grown Diamond (D/IF) Solitaire Ring 2.00 Ct, Platinum Wt.3.10 Gms

Luxuriant - 950 Platinum IGI Certified Lab Grown Diamond (D/IF) Solitaire Ring 2.00 Ct, Platinum Wt.3.10 Gms
28% OFF
£1,999.99 £2,799.99
£1,999.99 £2,799.99
Or 5 x Payments
Last in stock

Luxuriant - 950 Platinum IGI Certified Lab Grown Diamond (D/IF) Pear Cut Solitaire Ring 1.05 Ct, Platinum Wt. 2.70 Gms

Luxuriant - 950 Platinum IGI Certified Lab Grown Diamond (D/IF) Pear Cut Solitaire Ring 1.05 Ct, Platinum Wt. 2.70 Gms
33% OFF
£999.99 £1,499.99
£999.99 £1,499.99
Or 5 x Payments
Last in stock

Luxuriant - 950 Platinum IGI Certified Lab Grown Diamond (D/IF) Solitaire Ring 2.00 Ct, Platinum Wt. 2.60 Gms

Luxuriant - 950 Platinum IGI Certified Lab Grown Diamond (D/IF) Solitaire Ring 2.00 Ct, Platinum Wt. 2.60 Gms
28% OFF
£1,999.99 £2,799.99
£1,999.99 £2,799.99
Or 5 x Payments
Last in stock

Luxuriant - 950 Platinum IGI Certified Lab Grown Diamond (D/IF) Solitaire Ring 2.00 Ct, Platinum Wt. 2.60 Gms

Luxuriant - 950 Platinum IGI Certified Lab Grown Diamond (D/IF) Solitaire Ring 2.00 Ct, Platinum Wt. 2.60 Gms
28% OFF
£1,999.99 £2,799.99
£1,999.99 £2,799.99
Or 5 x Payments
Last in stock

Luxuriant - 950 Platinum IGI Certified Lab Grown Diamond (D/IF) Solitaire Ring 1.00 Ct, Platinum Wt. 2.65 Gms

Luxuriant - 950 Platinum IGI Certified Lab Grown Diamond (D/IF) Solitaire Ring 1.00 Ct, Platinum Wt. 2.65 Gms
33% OFF
£999.99 £1,499.99
£999.99 £1,499.99
Or 5 x Payments
Low stock

9K Rose Gold SGL Certified I3 Natural Pink Diamond Boat Ring 0.33 Ct.

9K Rose Gold SGL Certified I3 Natural Pink Diamond Boat Ring 0.33 Ct.
£387.99
£387.99
(2)
Or 5 x Payments

Luxuriant - 14K White Gold IGI Certified VS/G Lab Grown Diamond Emerald Cut Solitaire Ring 5.00 Ct.

Luxuriant - 14K White Gold IGI Certified VS/G Lab Grown Diamond Emerald Cut Solitaire Ring 5.00 Ct.
50% OFF
£1,999.99 £3,999.99
£1,999.99 £3,999.99
Or 7 x Payments
Last in stock

Rhapsody 950 Platinum IGI Certified White Diamond (VS/EF) Band Ring 0.50 Ct, Platinum Wt. 6.00 Gms.

Rhapsody 950 Platinum IGI Certified White Diamond (VS/EF) Band Ring 0.50 Ct, Platinum Wt. 6.00 Gms.
£1,699.99
£1,699.99
(5)
Or 7 x Payments
Low stock

LUXURIANT 9K White Gold SGL Certified (VS-E-F) Lab Grown Diamond Earring With Push Back 1 Ct.

LUXURIANT 9K White Gold SGL Certified (VS-E-F) Lab Grown Diamond Earring With Push Back 1 Ct.
£699.99
£699.99
Or 5 x Payments
Low stock

LUXURIANT SGL Certified 1 Ct. Lab Grown Diamond VS E-F Stud, Solitaire Earring with Push Back in 9K Yellow Gold

LUXURIANT SGL Certified 1 Ct. Lab Grown Diamond VS E-F Stud, Solitaire Earring with Push Back in 9K Yellow Gold
£699.99
£699.99
Or 5 x Payments

LUXURIANT 5 Ct. Lab Grown Diamond Brilliant-Cut Solitaire Ring in 950 Platinum, IGI Certified

LUXURIANT 5 Ct. Lab Grown Diamond Brilliant-Cut Solitaire Ring in 950 Platinum, IGI Certified
33% OFF
From £1,999.99
£1,999.99 £2,999.99
Or 5 x Payments

0.184Ct SI GHWhite Diamond Earring in 14K Yellow Gold

0.184Ct SI GHWhite Diamond Earring in 14K Yellow Gold
30% OFF
£279.99 £399.99
£279.99 £399.99

    • Luxuriant SGL Certified SI/GH Lab Grown Diamond Cluster Ring in 18K Vermeil Yellow Gold Plated Sterling Silver 2.00 Ct.

    Luxuriant SGL Certified SI/GH Lab Grown Diamond Cluster Ring in 18K Vermeil Yellow Gold Plated Sterling Silver 2.00 Ct.
    33% OFF
    £599.99 £899.99
    £599.99 £899.99
    (1)
    Or 6 x Payments

    LUXURIANT 3 Ct. Lab Grown Diamond Trilogy Ring in 18K Vermeil Yellow Gold Plated Sterling Silver, SGL Certified (SI-G-H)

    LUXURIANT 3 Ct. Lab Grown Diamond Trilogy Ring in 18K Vermeil Yellow Gold Plated Sterling Silver, SGL Certified (SI-G-H)
    12% OFF
    £699.99 £799.99
    £699.99 £799.99
    (2)
    Or 7 x Payments
    Last in stock

    9K Yellow Gold Natural Yellow Diamond (I3/GH) Solitaire SGL Certified Ring

    9K Yellow Gold Natural Yellow Diamond (I3/GH) Solitaire SGL Certified Ring
    £1,299.99
    £1,299.99
    Or 5 x Payments
    Low stock

    LUXURIANT 1 Ct. Lab Grown Diamond Solitaire Ring in 950 Platinum SGL Certified (VS-GH)

    LUXURIANT 1 Ct. Lab Grown Diamond Solitaire Ring in 950 Platinum SGL Certified (VS-GH)
    33% OFF
    £999.99 £1,499.99
    £999.99 £1,499.99
    Or 5 x Payments

    LUXURIANT 1 Ct. Lab Grown Diamond Solitaire Ring in 9K White Gold SGL Certified (VS/G-H)

    LUXURIANT 1 Ct. Lab Grown Diamond Solitaire Ring in 9K White Gold SGL Certified (VS/G-H)
    40% OFF
    £599.99 £999.99
    £599.99 £999.99
    (2)
    Or 6 x Payments
    Last in stock

    LUXURIANT SGL Certified Lab Grown Diamond VS E-F Stud, Solitaire Earring with Push Back in 950 Platinum

    LUXURIANT SGL Certified Lab Grown Diamond VS E-F Stud, Solitaire Earring with Push Back in 950 Platinum
    44% OFF
    £499.99 £899.99
    £499.99 £899.99
    (21)
    Or 6 x Payments

    • LUXURIANT 3 Ct. Lab Grown Diamond Dome Ring in 18K Vermeil Yellow Gold Plated Sterling Silver SGL Certified (SI-GH)

    LUXURIANT 3 Ct. Lab Grown Diamond Dome Ring in 18K Vermeil Yellow Gold Plated Sterling Silver SGL Certified (SI-GH)
    40% OFF
    £599.99 £999.99
    £599.99 £999.99
    Or 6 x Payments

    LUXURIANT IGI Certified 3 Ct. Lab Grown Diamond VS E-F Solitaire Ring in 14K Yellow Gold

    LUXURIANT IGI Certified 3 Ct. Lab Grown Diamond VS E-F Solitaire Ring in 14K Yellow Gold
    28% OFF
    £1,799.99 £2,499.99
    £1,799.99 £2,499.99
    (2)
    Or 7 x Payments

    LUXURIANT SGL Certified 1.5 Ct. Lab Grown Diamond SI G-H Trilogy Ring in 9K Yellow Gold

    LUXURIANT SGL Certified 1.5 Ct. Lab Grown Diamond SI G-H Trilogy Ring in 9K Yellow Gold
    46% OFF
    £699.99 £1,299.99
    £699.99 £1,299.99
    (1)
    Or 7 x Payments
    Last in stock

    LUXURIANT 950 Platinum IGI Certified (VS-EF) Lab Grown Diamond Ring 2 Ct

    LUXURIANT 950 Platinum IGI Certified (VS-EF) Lab Grown Diamond Ring 2 Ct
    16% OFF
    £1,499.99 £1,799.99
    £1,499.99 £1,799.99
    Or 5 x Payments
    Last in stock

    LUXURIANT IGI Certified 3 Ct. Lab Grown Diamond VS E-F Solitaire Ring in 18K Yellow Gold

    LUXURIANT IGI Certified 3 Ct. Lab Grown Diamond VS E-F Solitaire Ring in 18K Yellow Gold
    28% OFF
    £1,799.99 £2,499.99
    £1,799.99 £2,499.99
    (1)
    Or 7 x Payments
    Last in stock

    LUXURIANT 0.5 Ct. Lab Grown Diamond Solitaire Ring in 18K Vermeil Yellow Gold Sterling Silver SGL Certified (SI-GH)

    LUXURIANT 0.5 Ct. Lab Grown Diamond Solitaire Ring in 18K Vermeil Yellow Gold Sterling Silver SGL Certified (SI-GH)
    £149.99
    £149.99
    Or 5 x Payments

    Luxuriant - SGL Certified Lab Grown Diamond (SI/G-H) Ring in 18K Vermeil Yellow Gold Plated Sterling Silver 3.00 Ct.

    Luxuriant - SGL Certified Lab Grown Diamond (SI/G-H) Ring in 18K Vermeil Yellow Gold Plated Sterling Silver 3.00 Ct.
    40% OFF
    £599.99 £999.99
    £599.99 £999.99
    (1)
    Or 6 x Payments

    LUXURIANT IGI Certified 2 Ct. Lab Grown Diamond Solitaire Ring in 14K Yellow Gold

    LUXURIANT IGI Certified 2 Ct. Lab Grown Diamond Solitaire Ring in 14K Yellow Gold
    18% OFF
    From £999.99
    £1,299.99 £1,599.99
    (3)
    Or 6 x Payments
    • Last in stock

    LUXURIANT 14K White Gold IGI Certified (F-G/SI) Lab Grown Diamond Solitaire Ring 1 Ct.

    LUXURIANT 14K White Gold IGI Certified (F-G/SI) Lab Grown Diamond Solitaire Ring 1 Ct.
    30% OFF
    £899.99 £1,299.99
    £899.99 £1,299.99
    (2)
    Or 5 x Payments
    Last in stock

    LUXURIANT 1 Ct. VS-EF Lab Grown Diamond Solitaire Ring in 9K Gold, SGL Certified

    LUXURIANT 1 Ct. VS-EF Lab Grown Diamond Solitaire Ring in 9K Gold, SGL Certified
    40% OFF
    £599.99 £999.99
    £599.99 £999.99
    Or 5 x Payments
    Last in stock

    Luxuriant IGI Certified 1 Ct. Lab Grown Diamond VS-G Cushion Cut Loose Diamond

    Luxuriant IGI Certified 1 Ct. Lab Grown Diamond VS-G Cushion Cut Loose Diamond
    £499.99
    £499.99
    (8)
    Or 5 x Payments
    Last in stock

    LUXURIANT 950 Platinum SGL Certified (VS/E-F) Asscher Cut Lab Grown Diamond Earring 0.54 Ct.

    LUXURIANT 950 Platinum SGL Certified (VS/E-F) Asscher Cut Lab Grown Diamond Earring 0.54 Ct.
    16% OFF
    £499.99 £599.99
    £499.99 £599.99
    (1)
    Or 6 x Payments
    Last in stock

    LUXURIANT 2 Ct. Lab Grown Diamond Solitaire Stud Earring with Screw Back in 22K Yellow Gold IGI Certified IF-D

    LUXURIANT 2 Ct. Lab Grown Diamond Solitaire Stud Earring with Screw Back in 22K Yellow Gold IGI Certified IF-D
    28% OFF
    £1,799.99 £2,499.99
    £1,799.99 £2,499.99
    Or 7 x Payments
    • Low stock

    LUXURIANT 2 Ct. Lab Grown Diamond Pear-Cut Solitaire Pendant in 14K Yellow Gold IGI Certified (VS-EF)

    LUXURIANT 2 Ct. Lab Grown Diamond Pear-Cut Solitaire Pendant in 14K Yellow Gold IGI Certified (VS-EF)
    40% OFF
    £899.99 £1,499.99
    £899.99 £1,499.99
    (5)
    Or 6 x Payments
    • Last in stock

    LUXURIANT 3 Carat Old Mined Cut Lab Grown Diamond Celebrity Style Solitaire Ring in 950 Platinum - IGI Certified (VS-EF)

    LUXURIANT 3 Carat Old Mined Cut Lab Grown Diamond Celebrity Style Solitaire Ring in 950 Platinum - IGI Certified (VS-EF)
    £2,499.99
    £2,499.99
    (3)
    Or 5 x Payments
    Last in stock

    LUXURIANT IGI Certified 2.1 Ct. Lab Grown Diamond VS E-F Solitaire Ring in 9K Yellow Gold

    LUXURIANT IGI Certified 2.1 Ct. Lab Grown Diamond VS E-F Solitaire Ring in 9K Yellow Gold
    46% OFF
    £799.99 £1,499.99
    £799.99 £1,499.99
    Or 6 x Payments

    LUXURIANT 1 Ct. Lab Grown Diamond Internally Flawless Solitaire Ring in 950 Platinum, IGI Certified (IF-D)

    LUXURIANT 1 Ct. Lab Grown Diamond Internally Flawless Solitaire Ring in 950 Platinum, IGI Certified (IF-D)
    33% OFF
    £999.99 £1,499.99
    £999.99 £1,499.99
    (1)
    Or 7 x Payments
    Last in stock

    LUXURIANT 950 Platinum IGI Certified VS/GH Lab Grown Diamond Ring 3 Cts

    LUXURIANT 950 Platinum IGI Certified VS/GH Lab Grown Diamond Ring 3 Cts
    20% OFF
    £1,999.99 £2,499.99
    £1,999.99 £2,499.99
    Or 7 x Payments
    Low stock

    LUXURIANT 950 Platinum SGL Certified Lab Grown Diamond (SI/G-H) Round Cut Ring 1 Ct.

    LUXURIANT 950 Platinum SGL Certified Lab Grown Diamond (SI/G-H) Round Cut Ring 1 Ct.
    33% OFF
    £999.99 £1,499.99
    £999.99 £1,499.99
    Or 5 x Payments

    LUXURIANT 1 Ct. Lab Grown Diamond Cluster Boat Ring in 9K Yellow Gold SGL Certified (VS-E/F)

    LUXURIANT 1 Ct. Lab Grown Diamond Cluster Boat Ring in 9K Yellow Gold SGL Certified (VS-E/F)
    50% OFF
    £499.99 £999.99
    £499.99 £999.99
    (15)
    Or 5 x Payments

    • LUXURIANT SGL Certified 1 Ct. Lab Grown Diamond Emerald VS G-H Solitaire Ring in 950 Platinum

    LUXURIANT SGL Certified 1 Ct. Lab Grown Diamond Emerald VS G-H Solitaire Ring in 950 Platinum
    33% OFF
    £999.99 £1,499.99
    £999.99 £1,499.99
    Or 7 x Payments

    LUXURIANT IGI Certified 2 Ct. Lab Grown Diamond Solitaire Ring in 950 Platinum

    LUXURIANT IGI Certified 2 Ct. Lab Grown Diamond Solitaire Ring in 950 Platinum
    25% OFF
    From £1,499.99
    £1,499.99 £1,999.99
    (1)
    Or 5 x Payments

    • LUXURIANT 950 Platinum IGI Certified (VS-EF) Lab Grown Diamond Ring 2.50 Ct, Platinum wt. 4.60 Gms.

    LUXURIANT 950 Platinum IGI Certified (VS-EF) Lab Grown Diamond Ring 2.50 Ct, Platinum wt. 4.60 Gms.
    16% OFF
    £1,499.99 £1,799.99
    £1,499.99 £1,799.99
    (4)
    Or 7 x Payments

    LUXURIANT 9K Yellow Gold SGL Certified Lab Grown Diamond (VS-G/H) Boat Ring 1 Ct.

    LUXURIANT 9K Yellow Gold SGL Certified Lab Grown Diamond (VS-G/H) Boat Ring 1 Ct.
    33% OFF
    £599.99 £899.99
    £599.99 £899.99
    Or 5 x Payments
    Low stock

    LUXURIANT 0.99 Ct. Lab Grown Diamond Ring in 9K White Gold SGL Certified (VS-E-F)

    LUXURIANT 0.99 Ct. Lab Grown Diamond Ring in 9K White Gold SGL Certified (VS-E-F)
    44% OFF
    £499.99 £899.99
    £499.99 £899.99
    (3)
    Or 5 x Payments
    • Last in stock

    LUXURIANT SGL Certified 2 Ct. Yellow Lab Grown, Lab Grown Diamond VS E-F Halo Ring in 950 Platinum

    LUXURIANT SGL Certified 2 Ct. Yellow Lab Grown, Lab Grown Diamond VS E-F Halo Ring in 950 Platinum
    27% OFF
    £1,299.99 £1,799.99
    £1,299.99 £1,799.99
    (1)
    Or 7 x Payments
    Last in stock

    LUXURIANT IGI Certified 3 Ct. Lab Grown Pink Diamond VS E-F Halo Ring in 950 Platinum and 14K Rose Gold

    LUXURIANT IGI Certified 3 Ct. Lab Grown Pink Diamond VS E-F Halo Ring in 950 Platinum and 14K Rose Gold
    10% OFF
    £1,799.99 £1,999.99
    £1,799.99 £1,999.99
    (1)
    Or 7 x Payments
    • Items per page:
    Show 12
    Show 24
    Show 36
    Show 48
    Show 60
    Show 120
    Show all
    Showing 145 - 192 of 225 Products

    Filters