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Asscher|Lab Grown|IGI

4.08ct D FL Asscher Lab Grown Diamond

EX • D/FL • IGI LG831604050

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG831604050

Diamond specifications and retailer prices

From £3,712 GBP
As of October 30, 2026
Save £19,013 GBP (84%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £22,724 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.08ct lab-grown asscher diamond

This 4.08ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831604050 or 831604050. Listed at 25 retailers as of October 30, 2026, with prices from £3,712 to £22,724, a £19,013 spread on the same certified stone. With Clarity lists it at £22,724. 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

4.08
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831604050
Dimensions8.96 × 8.95 × 5.80 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
8.96 mm8.95 mm4.08 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831604050
Side View
Table 61.0%Crown 32.3°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 64.8%

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: £5,711 GBP|Low: £3,699 GBP|High: £22,724 GBP|Avg: £7,593 GBP|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
With Clarity
October 31, 2026
Retailer 14£3,712 GBP
Retailer 7£3,830 GBP
Retailer 8£4,062 GBP
Retailer 5£4,980 GBP
Retailer 12£5,378 GBP
Retailer 1£5,711 GBP
Retailer 9£6,369 GBP
Retailer 4£6,635 GBP
Retailer 6£6,639 GBP
Retailer 2£7,289 GBP
Retailer 11£8,029 GBP
Retailer 3£9,089 GBP
Retailer 15£9,456 GBP
Retailer 13£10,434 GBP
Retailer 10£15,562 GBP
With Clarity£22,724 GBP

28 data points across 16 retailers

25 retailers£3,712 GBP to £22,724 GBP

A
Cheapest Retailer
-
£3,712 GBP
A
Retailer 2
-
£3,830 GBP
$5,132 USD
View
A
Retailer 3
-
£4,062 GBP
$5,443 USD
View
A
Retailer 4
-
£4,082 GBP
$5,469 USD
View
A
Retailer 5
-
£4,289 GBP
$5,747 USD
View
Final sale: no returns
A
Retailer 6
-
£4,443 GBP
$5,953 USD
View
Retailer 7
-
£4,443 GBP
$5,953 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
£4,456 GBP
$5,970 USD
View
A
Retailer 9
-
£4,594 GBP
$6,155 USD
View
A
Retailer 10
-
£4,980 GBP
$6,672 USD
View
A
Retailer 11
-
£5,274 GBP
$7,067 USD
View
A
Retailer 12
-
£5,378 GBP
HK$56,300 HKD
View
A
Retailer 13
-
£5,711 GBP
View
B+
Retailer 14
-
£6,369 GBP
View
B+
Retailer 15
-
£6,635 GBP
$8,890 USD
View
Retailer 16
-
£6,639 GBP
$8,895 USD
View
Price last confirmed 12 days ago
B+
Retailer 17
-
£7,289 GBP
€9,302 EUR
View
B+
Retailer 18
-
£8,029 GBP
$10,758 USD
View
B+
Retailer 19
-
£9,089 GBP
View
B+
Retailer 20
-
£9,456 GBP
ZAR 204,680 ZAR
View
B+
Retailer 21
-
£10,434 GBP
$13,980 USD
View
B
Retailer 22
-
£12,353 GBP
$16,552 USD
View
B
Retailer 23
-
£15,562 GBP
SGD 28,178 SGD
View
B
Retailer 24
-
£15,916 GBP
$21,325 USD
View
Most Expensive
B
With Clarity
831604050 · Oct 31
£22,724 GBP
$30,448 USD
View
24 more retailers have this diamond
Prices start from £3,712 GBPSave up to £19,013 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
4.08ct Asscher
£3,712 GBP