Asscher|Lab Grown|IGI

1.37ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG831687382

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG831687382

Diamond specifications and retailer prices

From £369 GBP

$495 USD

As of October 30, 2026

Save £2,310 GBP (86%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £2,679 GBP at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 1.37ct lab-grown asscher diamond

This 1.37ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831687382 or 831687382. Listed at 16 retailers as of October 30, 2026, with prices from £369 to £2,679, a £2,310 spread on the same certified stone. Brilliant Earth lists it at £2,679. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.37

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.6°

Pavilion angle37.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG831687382

Dimensions6.19 × 6.17 × 4.02 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 LG831687382

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 30

Current: £2,679 GBP|Low: £369 GBP|High: £2,679 GBP|Avg: £867 GBP

Brilliant Earth

Retailer 2

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Retailer 16

October 31, 2026

Retailer 6£369 GBP

Retailer 3£409 GBP

Retailer 9£422 GBP

Retailer 4£515 GBP

Retailer 15£641 GBP

Retailer 10£651 GBP

Retailer 2£675 GBP

Retailer 12£702 GBP

Retailer 13£764 GBP

Retailer 14£1,099 GBP

Retailer 8£1,131 GBP

Retailer 7£1,298 GBP

Retailer 5£1,314 GBP

Retailer 16£1,338 GBP

Retailer 11£1,509 GBP

Brilliant Earth£2,679 GBP

7 data points across 16 retailers

16 retailers£369 GBP to £2,679 GBP

Cheapest Retailer

£369 GBP

$495 USD

Final sale: no returns

Retailer 2

£409 GBP

$548 USD

View

Retailer 3

£422 GBP

View

Retailer 4

£515 GBP

$690 USD

View

B+

Retailer 5

£641 GBP

$859 USD

View

Retailer 6

£651 GBP

€831 EUR

View

B+

Retailer 7

£675 GBP

View

B+

Retailer 8

£702 GBP

ZAR 15,202 ZAR

View

B+

Retailer 9

£764 GBP

$1,024 USD

View

B+

Retailer 10

£1,099 GBP

$1,472 USD

View

B+

Retailer 11

£1,131 GBP

$1,516 USD

View

Retailer 12

£1,298 GBP

SGD 2,350 SGD

View

Retailer 13

£1,314 GBP

$1,760 USD

View

Retailer 14

£1,338 GBP

$1,793 USD

View

Retailer 15

£1,509 GBP

View

Most Expensive

Brilliant Earth

22262621A · Oct 31

£2,679 GBP

$3,590 USD

View

15 more retailers have this diamond

Prices start from £369 GBPSave up to £2,310 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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1.37ct Asscher

£369 GBP