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Asscher|Lab Grown|IGI

1.40ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG836620140

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG836620140

Diamond specifications and retailer prices

From £337 GBP
$451 USD
As of October 30, 2026
Save £2,776 GBP (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,112 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.4ct lab-grown asscher diamond

This 1.4ct 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 LG836620140 or 836620140. Listed at 20 retailers as of October 30, 2026, with prices from £337 to £3,112, a £2,776 spread on the same certified stone. Brilliant Earth lists it at £3,112. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620140
Dimensions6.27 × 6.16 × 3.84 mm
L/W Ratio1.02
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
Top View
6.27 mm6.16 mm1.40 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620140
Side View
Table 69.0%Crown 36.1°Girdle: MediumPavilion 37.3°Culet: NoneDepth 62.3%

Caratlytics Score

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A
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: £3,112 GBP|Low: £337 GBP|High: £3,217 GBP|Avg: £1,073 GBP|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 31, 2026
Retailer 3£337 GBP
Retailer 6£377 GBP
Retailer 18£377 GBP
Retailer 8£417 GBP
Retailer 15£522 GBP
Retailer 12£653 GBP
Retailer 5£655 GBP
Retailer 2£690 GBP
Retailer 14£717 GBP
Retailer 19£794 GBP
Retailer 17£1,011 GBP
Retailer 7£1,324 GBP
Retailer 10£1,340 GBP
Retailer 4£1,365 GBP
Retailer 11£1,410 GBP
Retailer 13£1,540 GBP
Retailer 9£1,542 GBP
Retailer 16£1,743 GBP
Brilliant Earth£3,112 GBP

37 data points across 19 retailers

20 retailers£337 GBP to £3,112 GBP

A
Cheapest Retailer
-
£337 GBP
$451 USD
A
Retailer 2
-
£377 GBP
$505 USD
View
Final sale: no returns
A
Retailer 3
-
£377 GBP
$505 USD
View
A
Retailer 4
-
£417 GBP
$559 USD
View
Retailer 5
-
£417 GBP
$559 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
£522 GBP
$700 USD
View
A
Retailer 7
-
£653 GBP
€833 EUR
View
A
Retailer 8
-
£655 GBP
$877 USD
View
B+
Retailer 9
-
£690 GBP
View
B+
Retailer 10
-
£717 GBP
ZAR 15,514 ZAR
View
B+
Retailer 11
-
£794 GBP
$1,064 USD
View
B+
Retailer 12
-
£1,011 GBP
$1,355 USD
View
B+
Retailer 13
-
£1,324 GBP
SGD 2,397 SGD
View
B
Retailer 14
-
£1,340 GBP
$1,796 USD
View
B+
Retailer 15
-
£1,365 GBP
$1,828 USD
View
Retailer 16
-
£1,410 GBP
View
Price last confirmed 25 days ago
B+
Retailer 17
-
£1,540 GBP
View
B+
Retailer 18
-
£1,542 GBP
$2,066 USD
View
Retailer 19
-
£1,743 GBP
$2,335 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21589643A · Oct 30
£3,112 GBP
$4,170 USD
View
19 more retailers have this diamond
Prices start from £337 GBPSave up to £2,776 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.

A
1.40ct Asscher
£337 GBP