Radiant|Lab Grown|IGI

5.18ct D VS2 Radiant Lab Grown Diamond

EX • D/VS2 • IGI LG823614337

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG823614337

Diamond specifications and retailer prices

From £959 GBP

$1,285 USD

As of October 29, 2026

Save £3,202 GBP (77%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £4,161 GBP at Rare Carat · As of October 28, 2026

View at Rare Carat

About this 5.18ct lab-grown radiant diamond

This 5.18ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823614337 or 823614337. Listed at 16 retailers as of October 28, 2026, with prices from £959 to £4,161, a £3,202 spread on the same certified stone. Rare Carat lists it at £4,161. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.18

Carat

Colour

VS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle43.9°

Pavilion angle34.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG823614337

Dimensions12.74 × 8.45 × 5.67 mm

L/W Ratio1.51

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG823614337

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: £4,161 GBP|Low: £796 GBP|High: £7,844 GBP|Avg: £2,465 GBP|-0.6%

Rare Carat

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

October 30, 2026

Retailer 4£830 GBP

Retailer 12£918 GBP

Retailer 9£959 GBP

Retailer 7£1,279 GBP

Retailer 3£1,328 GBP

Retailer 10£1,443 GBP

Retailer 11£1,788 GBP

Retailer 13£1,908 GBP

Retailer 14£2,286 GBP

Retailer 5£2,573 GBP

Retailer 8£2,829 GBP

Retailer 6£2,888 GBP

Retailer 2£4,112 GBP

Rare Carat£4,161 GBP

39 data points across 14 retailers

16 retailers£959 GBP to £4,161 GBP

Retailer 1

£746 GBP

$1,000 USD

Price last confirmed 33 days ago

Retailer 2

£785 GBP

$1,052 USD

View

Price last confirmed 33 days ago

Retailer 3

£830 GBP

$1,112 USD

View

Price last confirmed 20 days ago

Retailer 4

£918 GBP

View

Price last confirmed 13 days ago

Retailer 5

£959 GBP

$1,285 USD

View

Retailer 6

£1,279 GBP

View

Retailer 7

£1,328 GBP

$1,779 USD

View

Retailer 8

£1,443 GBP

€1,841 EUR

View

Price last confirmed 7 days ago

B+

Retailer 9

£1,788 GBP

$2,396 USD

View

B+

Retailer 10

£1,908 GBP

$2,556 USD

View

B+

Retailer 11

£2,286 GBP

View

Retailer 12

£2,573 GBP

$3,448 USD

View

Retailer 13

£2,829 GBP

View

Retailer 14

£2,888 GBP

$3,870 USD

View

Price last confirmed 12 days ago

Retailer 15

£4,112 GBP

$5,510 USD

View

Most Expensive

Rare Carat

748643 · Oct 28

£4,161 GBP

$5,575 USD

View

15 more retailers have this diamond

Prices start from £959 GBPSave up to £3,202 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

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5.18ct Radiant

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