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Asscher|Lab Grown|IGI

1.24ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG840634391

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840634391

Diamond specifications and retailer prices

From £300 GBP
$402 USD
As of October 30, 2026
Save £2,155 GBP (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,455 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.24ct lab-grown asscher diamond

This 1.24ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634391 or 840634391. Listed at 20 retailers as of October 30, 2026, with prices from £300 to £2,455, a £2,155 spread on the same certified stone. Brilliant Earth lists it at £2,455. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634391
Dimensions5.96 × 5.96 × 3.89 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
Top View
5.96 mm5.96 mm1.24 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634391
Side View
Table 61.0%Crown 34.2°Girdle: MediumPavilion 39.3°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
A
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: £2,455 GBP|Low: £300 GBP|High: £2,455 GBP|Avg: £818 GBP
Brilliant Earth
Retailer 2
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Retailer 20
October 31, 2026
Retailer 11£300 GBP
Retailer 4£337 GBP
Retailer 6£337 GBP
Retailer 10£372 GBP
Retailer 17£372 GBP
Retailer 14£385 GBP
Retailer 3£481 GBP
Retailer 19£546 GBP
Retailer 20£590 GBP
Retailer 15£596 GBP
Retailer 2£612 GBP
Retailer 5£638 GBP
Retailer 16£640 GBP
Retailer 13£896 GBP
Retailer 7£1,185 GBP
Retailer 8£1,197 GBP
Retailer 12£1,224 GBP
Retailer 9£1,366 GBP
Retailer 18£1,457 GBP
Brilliant Earth£2,455 GBP

13 data points across 20 retailers

20 retailers£300 GBP to £2,455 GBP

A
Cheapest Retailer
-
£300 GBP
$402 USD
A
Retailer 2
-
£337 GBP
$451 USD
View
Final sale: no returns
A
Retailer 3
-
£337 GBP
$451 USD
View
A
Retailer 4
-
£372 GBP
$499 USD
View
A
Retailer 5
-
£372 GBP
$499 USD
View
A
Retailer 6
-
£385 GBP
View
A
Retailer 7
-
£481 GBP
$645 USD
View
A
Retailer 8
-
£546 GBP
$731 USD
View
A
Retailer 9
-
£590 GBP
$791 USD
View
B+
Retailer 10
-
£596 GBP
€760 EUR
View
B+
Retailer 11
-
£612 GBP
View
B+
Retailer 12
-
£638 GBP
$855 USD
View
B+
Retailer 13
-
£640 GBP
ZAR 13,851 ZAR
View
B+
Retailer 14
-
£896 GBP
$1,201 USD
View
B
Retailer 15
-
£1,185 GBP
SGD 2,145 SGD
View
B
Retailer 16
-
£1,197 GBP
$1,604 USD
View
B
Retailer 17
-
£1,224 GBP
$1,640 USD
View
B
Retailer 18
-
£1,366 GBP
$1,830 USD
View
B
Retailer 19
-
£1,457 GBP
View
Most Expensive
B
Brilliant Earth
21861650A · Oct 30
£2,455 GBP
$3,290 USD
View
19 more retailers have this diamond
Prices start from £300 GBPSave up to £2,155 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
1.24ct Asscher
£300 GBP