1.45ct Radiant lab-grown diamond, Fancy Vivid Blue, VS1

1.45 Carat Radiant Lab Diamond

Fancy Vivid Blue · VS1 clarity · IGI

£1,780

Klarna and Clearpay available at checkout

Cut for sparkle

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IGI certificate 829618171 · Verify ↗

Diamond details

Fancy Vivid is the strongest, most saturated colour grade; VS1 clarity means any inclusions are tiny and invisible to the naked eye.

Shape: Radiant
Carat: 1.45
Colour: Fancy Vivid Blue
Clarity: VS1
Polish: Excellent
Symmetry: Excellent
Fluorescence: None
Measurements: 8.00 × 5.53 × 3.52 mm
Length to width: 1.45
Table: 63%
Depth: 63.7%
Girdle: Slightly thick
Culet: Pointed
Growth method: CVD lab-grown
Certificate: IGI 829618171

Set it in a ring, pendant or earrings

Made to order in RJC-certified workshops, in yellow, white or rose gold (9K, 14K or 18K) or platinum · estimated dispatch in about 6 weeks.

Ring8 settings · finished from £2,410

Solitaire ring Setting £630–£1,430 · finished ring from £2,410 Setting from £630 · finished from £2,410 Pavé ring Setting £740–£1,590 · finished ring from £2,520 Setting from £740 · finished from £2,520 Hidden halo ring Setting £810–£1,680 · finished ring from £2,590 Setting from £810 · finished from £2,590 Halo ring Setting £830–£1,750 · finished ring from £2,610 Setting from £830 · finished from £2,610 East-west ring Setting £660–£1,490 · finished ring from £2,440 Setting from £660 · finished from £2,440 Bezel ring Setting £670–£1,520 · finished ring from £2,450 Setting from £670 · finished from £2,450 Three-stone ring Setting from £780 · finished ring from £2,560 Setting from £780 · finished from £2,560 Toi et Moi ring, with a second stone Setting from £760 · pair it with any lab diamond or gemstone Setting from £760 · add any second stone

Pendant3 settings · finished from £2,330

Solitaire pendant with chain Setting £550–£1,310 · finished pendant from £2,330 Setting from £550 · finished from £2,330 Halo pendant with chain Setting £790–£1,720 · finished pendant from £2,570 Setting from £790 · finished from £2,570 Bezel pendant with chain Setting £620–£1,450 · finished pendant from £2,400 Setting from £620 · finished from £2,400

Earrings3 settings · pair of settings from £500

Solitaire studs Pair of settings £500–£1,110 · for this diamond and a matching second one Pair of settings from £500 Halo studs Pair of settings £950–£1,820 · for this diamond and a matching second one Pair of settings from £950 Bezel studs Pair of settings £600–£1,280 · for this diamond and a matching second one Pair of settings from £600

Your own designBespoke service · no-obligation consultation

Why we picked it

Cut for sparkle — depth, table and ratio in the range that returns the most light for a radiant, with Excellent polish and symmetry.

Questions about this diamond? Chat with us or email contactus@juvetti.com.

1.45 Carat Radiant Lab Diamond, Fancy Vivid Blue, VS1, IGI

£1,780

See the true size

This diamond shown at its real size on a hand.

Hand with this diamond shown at its true size on the ring finger

Your ring size

Shown on a UK size L finger (US 6, EU 52), skin tone digitally adjusted for illustration. Scale is based on standard ring sizing, so finger sizes vary.

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All UK solid gold orders are hallmarked by the Assay Office. Diamonds over 0.5 carat are independently graded by GIA, IGI or GCAL. We work exclusively with RJC-certified suppliers to ensure ethical and sustainable sourcing.