Asscher|Lab Grown|IGI

1.50ct D FL Asscher Lab Grown Diamond

GD • D/FL • IGI LG840633317

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840633317

Diamond specifications and retailer prices

From £355 GBP
$475 USD
As of October 30, 2026
Save £2,937 GBP (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,291 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.5ct lab-grown asscher diamond

This 1.5ct 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 standard cut grade and certified by IGI LG840633317 or 840633317. Listed at 21 retailers as of October 30, 2026, with prices from £355 to £3,291, a £2,937 spread on the same certified stone. Brilliant Earth lists it at £3,291. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
D
Colour
FL
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840633317
Dimensions6.31 × 6.27 × 4.08 mm
L/W Ratio1.01
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
6.31 mm6.27 mm1.50 ctD / FL
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840633317
Side View
Table 64.0%Crown 32°Girdle: MediumPavilion 38.3°Culet: NoneDepth 61.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £3,291 GBP|Low: £355 GBP|High: £3,299 GBP|Avg: £1,033 GBP|-0.2%
Brilliant Earth
Retailer 2
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Retailer 21
November 1, 2026
Retailer 6£355 GBP
Retailer 8£397 GBP
Retailer 21£397 GBP
Retailer 10£440 GBP
Retailer 11£440 GBP
Retailer 2£452 GBP
Retailer 19£545 GBP
Retailer 3£613 GBP
Retailer 16£672 GBP
Retailer 4£686 GBP
Retailer 13£729 GBP
Retailer 18£755 GBP
Retailer 5£879 GBP
Retailer 15£1,023 GBP
Retailer 9£1,393 GBP
Retailer 14£1,413 GBP
Retailer 7£1,434 GBP
Retailer 17£1,623 GBP
Retailer 12£1,630 GBP
Retailer 20£1,840 GBP
Brilliant Earth£3,291 GBP

26 data points across 21 retailers

21 retailers£355 GBP to £3,291 GBP

A
Cheapest Retailer
-
£355 GBP
$475 USD
A
Retailer 2
-
£397 GBP
$532 USD
View
A
Retailer 3
-
£397 GBP
$532 USD
View
Final sale: no returns
A
Retailer 4
-
£440 GBP
$589 USD
View
Retailer 5
-
£440 GBP
$589 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
£452 GBP
View
A
Retailer 7
-
£545 GBP
$730 USD
View
A
Retailer 8
-
£613 GBP
$822 USD
View
A
Retailer 9
-
£672 GBP
€857 EUR
View
A
Retailer 10
-
£686 GBP
$919 USD
View
B+
Retailer 11
-
£729 GBP
View
B+
Retailer 12
-
£755 GBP
ZAR 16,346 ZAR
View
B+
Retailer 13
-
£879 GBP
$1,178 USD
View
B+
Retailer 14
-
£1,023 GBP
$1,371 USD
View
B
Retailer 15
-
£1,393 GBP
SGD 2,523 SGD
View
B
Retailer 16
-
£1,413 GBP
$1,893 USD
View
B
Retailer 17
-
£1,434 GBP
$1,922 USD
View
B
Retailer 18
-
£1,623 GBP
View
B
Retailer 19
-
£1,630 GBP
$2,184 USD
View
B
Retailer 20
-
£1,840 GBP
$2,465 USD
View
Most Expensive
B
Brilliant Earth
21729029A · Oct 31
£3,291 GBP
$4,410 USD
View
20 more retailers have this diamond
Prices start from £355 GBPSave up to £2,937 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
1.50ct Asscher
£355 GBP