Asscher|Lab Grown|IGI

5.09ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG811638304

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG811638304

Diamond specifications and retailer prices

From £9,530 GBP

$12,769 USD

As of October 30, 2026

Save £22,057 GBP (70%) vs most expensive(unlock to see where)

21 retailers carry this diamond

Most expensive: £31,587 GBP at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 5.09ct lab-grown asscher diamond

This 5.09ct lab-grown asscher sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811638304 or 811638304. Listed at 21 retailers as of October 30, 2026, with prices from £9,530 to £31,587, a £22,057 spread on the same certified stone. Taylor and Hart lists it at £31,587. 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

5.09

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.9°

Pavilion angle38.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG811638304

Dimensions9.55 × 9.53 × 5.90 mm

L/W Ratio1.00

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG811638304

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: £20,779 GBP|Low: £9,530 GBP|High: £42,524 GBP|Avg: £15,955 GBP|-8.4%

Retailer 1

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

Retailer 15

Retailer 16

Retailer 17

Taylor and Hart

October 30, 2026

Retailer 7£9,530 GBP

Retailer 4£9,758 GBP

Retailer 3£10,145 GBP

Retailer 2£10,361 GBP

Retailer 9£10,363 GBP

Retailer 11£10,673 GBP

Retailer 16£10,818 GBP

Retailer 8£10,947 GBP

Retailer 17£11,055 GBP

Retailer 15£12,879 GBP

Retailer 6£15,833 GBP

Retailer 14£16,267 GBP

Retailer 10£19,337 GBP

Retailer 13£20,314 GBP

Retailer 1£20,779 GBP

Retailer 12£22,461 GBP

Taylor and Hart£31,587 GBP

Retailer 5£42,524 GBP

31 data points across 18 retailers

21 retailers£9,530 GBP to £31,587 GBP

Cheapest Retailer

£9,530 GBP

$12,769 USD

Retailer 2

£9,758 GBP

$13,075 USD

View

Retailer 3

£10,145 GBP

$13,593 USD

View

Retailer 4

£10,361 GBP

$13,882 USD

View

Retailer 5

£10,363 GBP

$13,885 USD

View

Price last confirmed 10 days ago

Retailer 6

£10,673 GBP

$14,301 USD

View

Final sale: no returns

Retailer 7

£10,818 GBP

$14,495 USD

View

Retailer 8

£10,947 GBP

$14,668 USD

View

Retailer 9

£11,055 GBP

$14,812 USD

View

Retailer 10

£11,195 GBP

$15,000 USD

View

Price last confirmed 15 days ago

Retailer 11

£12,879 GBP

View

Retailer 12

£15,833 GBP

View

Retailer 13

£16,267 GBP

View

B+

Retailer 14

£19,337 GBP

$25,910 USD

View

B+

Retailer 15

£20,314 GBP

€25,923 EUR

View

B+

Retailer 16

£20,764 GBP

$27,821 USD

View

B+

Retailer 17

£20,779 GBP

$27,841 USD

View

Retailer 18

£21,621 GBP

$28,970 USD

View

Price last confirmed 33 days ago

B+

Retailer 19

£22,461 GBP

ZAR 486,190 ZAR

View

Most Expensive

Taylor and Hart

VAR5PPX · Oct 31

£31,587 GBP

$42,323 USD

View

19 more retailers have this diamond

Prices start from £9,530 GBPSave up to £22,057 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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