Asscher|Lab Grown|IGI

4.19ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG780666190

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG780666190

Diamond specifications and retailer prices

From £3,559 GBP
$4,769 USD
As of October 27, 2026
Save £19,808 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £23,368 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.19ct lab-grown asscher diamond

This 4.19ct 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 LG780666190 or 780666190. Listed at 15 retailers as of October 27, 2026, with prices from £3,559 to £23,368, a £19,808 spread on the same certified stone. Do Amore Diamonds lists it at £23,368. 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

4.19
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780666190
Dimensions8.80 × 8.62 × 6.14 mm
L/W Ratio1.02
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
8.80 mm8.62 mm4.19 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780666190
Side View
Table 62.0%Crown 38.3°Girdle: ThickPavilion 39.7°Culet: NoneDepth 71.2%

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 27
Current: £23,368 GBP|Low: £3,397 GBP|High: £31,659 GBP|Avg: £9,004 GBP|-26.2%
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 30, 2026
Retailer 4£3,559 GBP
Retailer 6£3,605 GBP
Retailer 9£3,718 GBP
Retailer 2£3,962 GBP
Retailer 15£3,967 GBP
Retailer 14£5,032 GBP
Retailer 3£5,162 GBP
Retailer 7£5,417 GBP
Retailer 13£6,093 GBP
Retailer 5£6,512 GBP
Retailer 11£7,553 GBP
Retailer 12£8,896 GBP
Retailer 8£10,710 GBP
Retailer 10£11,926 GBP
Do Amore Diamonds£23,368 GBP

33 data points across 15 retailers

15 retailers£3,559 GBP to £23,368 GBP

A
Cheapest Retailer
-
£3,559 GBP
$4,769 USD
A
Retailer 2
-
£3,605 GBP
$4,830 USD
View
A
Retailer 3
-
£3,718 GBP
$4,982 USD
View
A
Retailer 4
-
£3,962 GBP
$5,309 USD
View
A
Retailer 5
-
£3,967 GBP
$5,315 USD
View
A
Retailer 6
-
£5,032 GBP
$6,742 USD
View
A
Retailer 7
-
£5,162 GBP
$6,917 USD
View
A
Retailer 8
-
£5,417 GBP
$7,258 USD
View
Final sale: no returns
A
Retailer 9
-
£6,093 GBP
$8,164 USD
View
Retailer 10
-
£6,512 GBP
$8,725 USD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
£7,553 GBP
€9,638 EUR
View
B+
Retailer 12
-
£8,896 GBP
View
B+
Retailer 13
-
£10,710 GBP
$14,350 USD
View
B+
Retailer 14
-
£11,926 GBP
$15,979 USD
View
Most Expensive
B
Do Amore Diamonds
27-700ED21B4 · Oct 30
£23,368 GBP
$31,310 USD
View
14 more retailers have this diamond
Prices start from £3,559 GBPSave up to £19,808 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
4.19ct Asscher
£3,559 GBP