Cushion|Lab Grown|IGI

5.03ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG790671460

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG790671460

Diamond specifications and retailer prices

From £4,782 GBP

$6,408 USD

As of October 30, 2026

Save £15,159 GBP (76%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: £19,942 GBP at With Clarity · As of October 30, 2026

View at With Clarity

About this 5.03ct lab-grown cushion diamond

This 5.03ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790671460 or 790671460. Listed at 25 retailers as of October 30, 2026, with prices from £4,782 to £19,942, a £15,159 spread on the same certified stone. With Clarity lists it at £19,942. 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

5.03

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.7°

Pavilion angle34.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG790671460

Dimensions11.67 × 9.38 × 5.92 mm

L/W Ratio1.24

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG790671460

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

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

Price History

Last verified: Oct 30

Current: £12,531 GBP|Low: £4,782 GBP|High: £19,942 GBP|Avg: £9,731 GBP|-8.4%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

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Retailer 12

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Retailer 16

Retailer 17

Retailer 18

Retailer 19

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Retailer 21

With Clarity

October 30, 2026

Retailer 7£4,782 GBP

Retailer 13£5,049 GBP

Retailer 4£5,224 GBP

Retailer 9£5,230 GBP

Retailer 12£5,399 GBP

Retailer 3£5,631 GBP

Retailer 19£6,286 GBP

Retailer 15£6,554 GBP

Retailer 11£7,142 GBP

Retailer 10£7,450 GBP

Retailer 21£7,920 GBP

Retailer 17£8,674 GBP

Retailer 5£9,811 GBP

Retailer 16£10,626 GBP

Retailer 18£10,699 GBP

Retailer 2£10,955 GBP

Retailer 1£12,531 GBP

Retailer 8£14,552 GBP

Retailer 6£17,119 GBP

Retailer 20£18,205 GBP

Retailer 14£18,232 GBP

With Clarity£19,942 GBP

26 data points across 22 retailers

25 retailers£4,782 GBP to £19,942 GBP

Cheapest Retailer

£4,782 GBP

$6,408 USD

Retailer 2

£5,049 GBP

$6,765 USD

View

Final sale: no returns

Retailer 3

£5,224 GBP

$7,000 USD

View

Retailer 4

£5,230 GBP

$7,008 USD

View

Price last confirmed 14 days ago

Retailer 5

£5,399 GBP

View

Retailer 6

£5,631 GBP

$7,545 USD

View

Retailer 7

£6,286 GBP

HK$65,800 HKD

View

Retailer 8

£6,554 GBP

View

Retailer 9

£7,142 GBP

$9,570 USD

View

Retailer 10

£7,450 GBP

View

Retailer 11

£7,920 GBP

$10,612 USD

View

Retailer 12

£8,249 GBP

$11,053 USD

View

Price last confirmed 110 days ago

Retailer 13

£8,674 GBP

€11,069 EUR

View

Retailer 14

£8,986 GBP

View

Price last confirmed 21 days ago

Retailer 15

£9,394 GBP

$12,587 USD

View

Retailer 16

£9,811 GBP

$13,145 USD

View

Retailer 17

£10,626 GBP

ZAR 230,008 ZAR

View

Retailer 18

£10,699 GBP

View

Retailer 19

£10,955 GBP

A$22,582 AUD

View

Price last confirmed 8 days ago

B+

Retailer 20

£12,531 GBP

$16,790 USD

View

B+

Retailer 21

£14,552 GBP

$19,497 USD

View

Retailer 22

£17,119 GBP

A$35,288 AUD

View

Price last confirmed 22 days ago

Retailer 23

£18,205 GBP

SGD 32,964 SGD

View

B+

Retailer 24

£18,232 GBP

$24,428 USD

View

Most Expensive

With Clarity

790671460 · Oct 30

£19,942 GBP

$26,720 USD

View

24 more retailers have this diamond

Prices start from £4,782 GBPSave up to £15,159 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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