Asscher|Lab Grown|IGI

1.39ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG831698059

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG831698059

Diamond specifications and retailer prices

From £374 GBP

$501 USD

As of October 30, 2026

Save £2,343 GBP (86%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: £2,717 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.39ct lab-grown asscher diamond

This 1.39ct 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 LG831698059 or 831698059. Listed at 16 retailers as of October 30, 2026, with prices from £374 to £2,717, a £2,343 spread on the same certified stone. Brilliant Earth lists it at £2,717. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.39

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35°

Pavilion angle39.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG831698059

Dimensions6.12 × 6.11 × 4.13 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 LG831698059

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: £2,717 GBP|Low: £374 GBP|High: £2,717 GBP|Avg: £897 GBP

Brilliant Earth

Retailer 2

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Retailer 5

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Retailer 7

Retailer 8

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Retailer 11

Retailer 12

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Retailer 15

Retailer 16

October 31, 2026

Retailer 6£374 GBP

Retailer 3£414 GBP

Retailer 9£428 GBP

Retailer 4£522 GBP

Retailer 10£634 GBP

Retailer 15£650 GBP

Retailer 2£685 GBP

Retailer 12£712 GBP

Retailer 13£784 GBP

Retailer 14£1,114 GBP

Retailer 8£1,149 GBP

Retailer 7£1,315 GBP

Retailer 5£1,331 GBP

Retailer 16£1,356 GBP

Retailer 11£1,530 GBP

Brilliant Earth£2,717 GBP

7 data points across 16 retailers

16 retailers£374 GBP to £2,717 GBP

Cheapest Retailer

£374 GBP

$501 USD

Final sale: no returns

Retailer 2

£414 GBP

$555 USD

View

Retailer 3

£428 GBP

View

Retailer 4

£522 GBP

$700 USD

View

B+

Retailer 5

£634 GBP

€809 EUR

View

B+

Retailer 6

£650 GBP

$871 USD

View

B+

Retailer 7

£685 GBP

View

B+

Retailer 8

£712 GBP

ZAR 15,410 ZAR

View

B+

Retailer 9

£784 GBP

$1,051 USD

View

B+

Retailer 10

£1,114 GBP

$1,492 USD

View

B+

Retailer 11

£1,149 GBP

$1,539 USD

View

Retailer 12

£1,315 GBP

SGD 2,381 SGD

View

Retailer 13

£1,331 GBP

$1,784 USD

View

Retailer 14

£1,356 GBP

$1,817 USD

View

Retailer 15

£1,530 GBP

View

Most Expensive

Brilliant Earth

22262637A · Oct 30

£2,717 GBP

$3,640 USD

View

15 more retailers have this diamond

Prices start from £374 GBPSave up to £2,343 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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1.39ct Asscher

£374 GBP