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Asscher|Lab Grown|IGI

4.09ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG780662141

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG780662141

Diamond specifications and retailer prices

From £3,632 GBP
$4,867 USD
As of October 30, 2026
Save £21,362 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £24,995 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.09ct lab-grown asscher diamond

This 4.09ct 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 LG780662141 or 780662141. Listed at 15 retailers as of October 30, 2026, with prices from £3,632 to £24,995, a £21,362 spread on the same certified stone. Do Amore Diamonds lists it at £24,995. 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

4.09
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662141
Dimensions9.01 × 8.72 × 5.62 mm
L/W Ratio1.03
Culet sizePointed
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
9.01 mm8.72 mm4.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662141
Side View
Table 65.0%Crown 34.9°Girdle: STK-THKPavilion 36°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
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: £24,995 GBP|Low: £3,319 GBP|High: £30,928 GBP|Avg: £8,343 GBP|-19.2%
Do Amore Diamonds
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
October 31, 2026
Retailer 13£3,632 GBP
Retailer 8£3,807 GBP
Retailer 10£3,864 GBP
Retailer 11£3,873 GBP
Retailer 2£4,235 GBP
Retailer 5£5,044 GBP
Retailer 7£5,291 GBP
Retailer 9£5,382 GBP
Retailer 4£5,955 GBP
Retailer 6£6,407 GBP
Retailer 15£7,373 GBP
Retailer 3£8,693 GBP
Retailer 12£10,456 GBP
Retailer 14£11,647 GBP
Do Amore Diamonds£24,995 GBP

36 data points across 15 retailers

15 retailers£3,632 GBP to £24,995 GBP

A
Cheapest Retailer
-
£3,632 GBP
$4,867 USD
A
Retailer 2
-
£3,807 GBP
$5,101 USD
View
A
Retailer 3
-
£3,864 GBP
$5,177 USD
View
A
Retailer 4
-
£3,873 GBP
$5,190 USD
View
A
Retailer 5
-
£4,235 GBP
$5,675 USD
View
A
Retailer 6
-
£5,044 GBP
$6,759 USD
View
A
Retailer 7
-
£5,291 GBP
$7,090 USD
View
Final sale: no returns
A
Retailer 8
-
£5,382 GBP
$7,211 USD
View
A
Retailer 9
-
£5,955 GBP
$7,979 USD
View
Retailer 10
-
£6,407 GBP
$8,585 USD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
£7,373 GBP
€9,408 EUR
View
B+
Retailer 12
-
£8,693 GBP
View
B+
Retailer 13
-
£10,456 GBP
$14,010 USD
View
B+
Retailer 14
-
£11,647 GBP
$15,605 USD
View
Most Expensive
B
Do Amore Diamonds
27-1BA87BDCF · Oct 31
£24,995 GBP
$33,490 USD
View
14 more retailers have this diamond
Prices start from £3,632 GBPSave up to £21,362 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
4.09ct Asscher
£3,632 GBP