Asscher|Lab Grown|IGI

1.71ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG825665164

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG825665164

Diamond specifications and retailer prices

From £329 GBP

$441 USD

As of October 27, 2026

Save £3,746 GBP (92%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: £4,075 GBP at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 1.71ct lab-grown asscher diamond

This 1.71ct lab-grown asscher sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825665164 or 825665164. Listed at 22 retailers as of October 27, 2026, with prices from £329 to £4,075, a £3,746 spread on the same certified stone. Brilliant Earth lists it at £4,075. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle30.1°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG825665164

Dimensions6.54 × 6.54 × 4.31 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 LG825665164

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 27

Current: £4,075 GBP|Low: £329 GBP|High: £4,090 GBP|Avg: £1,317 GBP|-0.4%

Brilliant Earth

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October 30, 2026

Retailer 12£329 GBP

Retailer 8£369 GBP

Retailer 4£408 GBP

Retailer 22£408 GBP

Retailer 9£478 GBP

Retailer 18£515 GBP

Retailer 5£592 GBP

Retailer 21£641 GBP

Retailer 2£674 GBP

Retailer 17£701 GBP

Retailer 13£840 GBP

Retailer 6£977 GBP

Retailer 20£986 GBP

Retailer 3£1,312 GBP

Retailer 7£1,337 GBP

Retailer 19£1,420 GBP

Retailer 16£1,507 GBP

Retailer 15£1,649 GBP

Retailer 10£1,740 GBP

Retailer 11£1,824 GBP

Retailer 14£2,817 GBP

Brilliant Earth£4,075 GBP

25 data points across 22 retailers

22 retailers£329 GBP to £4,075 GBP

Cheapest Retailer

£329 GBP

$441 USD

Retailer 2

£369 GBP

$494 USD

View

Retailer 3

£408 GBP

$547 USD

View

Retailer 4

£408 GBP

$547 USD

View

Retailer 5

£478 GBP

$640 USD

View

Final sale: no returns

Retailer 6

£515 GBP

$690 USD

View

Retailer 7

£592 GBP

$793 USD

View

Retailer 8

£641 GBP

$859 USD

View

Retailer 9

£674 GBP

View

Retailer 10

£701 GBP

ZAR 15,181 ZAR

View

Retailer 11

£840 GBP

€1,072 EUR

View

B+

Retailer 12

£977 GBP

$1,309 USD

View

B+

Retailer 13

£986 GBP

$1,321 USD

View

B+

Retailer 14

£1,312 GBP

$1,758 USD

View

B+

Retailer 15

£1,337 GBP

$1,791 USD

View

B+

Retailer 16

£1,420 GBP

$1,902 USD

View

B+

Retailer 17

£1,507 GBP

View

Retailer 18

£1,649 GBP

View

Price last confirmed 8 days ago

B+

Retailer 19

£1,740 GBP

SGD 3,151 SGD

View

B+

Retailer 20

£1,824 GBP

$2,444 USD

View

Retailer 21

£2,817 GBP

$3,775 USD

View

Price last confirmed 11 days ago

Most Expensive

Brilliant Earth

21434203A · Oct 28

£4,075 GBP

$5,460 USD

View

21 more retailers have this diamond

Prices start from £329 GBPSave up to £3,746 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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