Asscher|Lab Grown|IGI

2.43ct F FL Asscher Lab Grown Diamond

ID • F/FL • IGI LG840634918

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840634918

Diamond specifications and retailer prices

From £834 GBP
$1,118 USD
As of October 31, 2026
Save £3,957 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £5,321 GBP at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 2.43ct lab-grown asscher diamond

This 2.43ct lab-grown asscher sits in the two to three carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634918 or 840634918. Listed at 18 retailers as of October 31, 2026, with a 474% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.43
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634918
Dimensions7.33 × 7.28 × 4.88 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
7.33 mm7.28 mm2.43 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634918
Side View
Table 64.0%Crown 32.8°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 67.0%

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 31
Current: £4,791 GBP|Low: £834 GBP|High: £4,791 GBP|Avg: £2,202 GBP
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 1, 2026
Retailer 4£834 GBP
Retailer 10£977 GBP
Retailer 16£996 GBP
Retailer 11£1,245 GBP
Retailer 13£1,285 GBP
Retailer 8£1,381 GBP
Retailer 15£1,863 GBP
Retailer 17£1,939 GBP
Retailer 12£2,230 GBP
Retailer 7£2,389 GBP
Retailer 14£2,392 GBP
Retailer 5£2,704 GBP
Retailer 6£2,899 GBP
Retailer 2£2,931 GBP
Retailer 3£3,013 GBP
Retailer 9£4,385 GBP
Brilliant Earth£4,791 GBP

17 data points across 17 retailers

18 retailers£834 GBP to £4,791 GBP

A
Cheapest Retailer
-
£834 GBP
$1,118 USD
Final sale: no returns
A
Retailer 2
-
£977 GBP
View
A
Retailer 3
-
£996 GBP
$1,335 USD
View
A
Retailer 4
-
£1,245 GBP
View
A
Retailer 5
-
£1,285 GBP
€1,640 EUR
View
A
Retailer 6
-
£1,381 GBP
$1,851 USD
View
B+
Retailer 7
-
£1,863 GBP
$2,496 USD
View
B+
Retailer 8
-
£1,939 GBP
$2,598 USD
View
B+
Retailer 9
-
£2,230 GBP
ZAR 48,265 ZAR
View
B+
Retailer 10
-
£2,389 GBP
View
B+
Retailer 11
-
£2,392 GBP
$3,205 USD
View
B+
Retailer 12
-
£2,704 GBP
SGD 4,896 SGD
View
B+
Retailer 13
-
£2,899 GBP
$3,884 USD
View
B+
Retailer 14
-
£2,931 GBP
View
B
Retailer 15
-
£3,013 GBP
$4,037 USD
View
Retailer 16
-
£4,385 GBP
$5,875 USD
View
Price last confirmed 13 days ago
B
Retailer 17
-
£4,791 GBP
$6,420 USD
View
Most Expensive
Brilliant Earth
21861643A · Oct 23
£5,321 GBP
$7,130 USD
View
Price last confirmed 9 days ago
17 more retailers have this diamond
Prices start from £834 GBPSave up to £3,957 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
2.43ct Asscher
£834 GBP