Asscher|Lab Grown|IGI

1.37ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG742533944

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG742533944

Diamond specifications and retailer prices

From £183 GBP

$245 USD

As of November 2, 2026

Save £1,747 GBP (91%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: £1,930 GBP at Brilliant Earth · As of November 2, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG742533944 or 742533944. Listed at 12 retailers as of November 2, 2026, with prices from £183 to £1,930, a £1,747 spread on the same certified stone. Brilliant Earth lists it at £1,930. 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 angle35.4°

Pavilion angle38.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG742533944

Dimensions6.09 × 6.09 × 3.86 mm

L/W Ratio1.00

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG742533944

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: Nov 2

Current: £1,930 GBP|Low: £175 GBP|High: £2,847 GBP|Avg: £677 GBP|-32.2%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

November 2, 2026

Retailer 10£183 GBP

Retailer 3£208 GBP

Retailer 8£380 GBP

Retailer 7£381 GBP

Retailer 11£404 GBP

Retailer 5£408 GBP

Retailer 9£553 GBP

Retailer 2£592 GBP

Retailer 6£728 GBP

Retailer 4£908 GBP

Brilliant Earth£1,930 GBP

36 data points across 11 retailers

12 retailers£183 GBP to £1,930 GBP

Cheapest Retailer

£183 GBP

$245 USD

Retailer 2

£208 GBP

$279 USD

View

Final sale: no returns

Retailer 3

£223 GBP

$299 USD

View

Price last confirmed 39 days ago

Retailer 4

£380 GBP

$510 USD

View

Price last confirmed 6 days ago

Retailer 5

£381 GBP

$511 USD

View

Retailer 6

£404 GBP

€516 EUR

View

Price last confirmed 8 days ago

Retailer 7

£408 GBP

$548 USD

View

Retailer 8

£553 GBP

A$1,141 AUD

View

B+

Retailer 9

£592 GBP

$795 USD

View

B+

Retailer 10

£728 GBP

$977 USD

View

B+

Retailer 11

£908 GBP

View

Most Expensive

Brilliant Earth

16604580A · Nov 2

£1,930 GBP

$2,590 USD

View

11 more retailers have this diamond

Prices start from £183 GBPSave up to £1,747 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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