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Asscher|Lab Grown|IGI

4.19ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG840629928

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840629928

Diamond specifications and retailer prices

From £3,808 GBP
As of October 30, 2026
Save £13,769 GBP (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £17,577 GBP at With Clarity · As of October 30, 2026
View at With Clarity

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 LG840629928 or 840629928. Listed at 15 retailers as of October 30, 2026, with prices from £3,808 to £17,577, a £13,769 spread on the same certified stone. With Clarity lists it at £17,577. 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 angle34.7°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629928
Dimensions8.82 × 8.79 × 5.70 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
8.82 mm8.79 mm4.19 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629928
Side View
Table 65.0%Crown 34.7°Girdle: Slightly ThickPavilion 38.4°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A+
Exceptional
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: £10,710 GBP|Low: £3,808 GBP|High: £17,577 GBP|Avg: £9,152 GBP
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
With Clarity
October 30, 2026
Retailer 7£3,808 GBP
Retailer 14£4,568 GBP
Retailer 3£4,598 GBP
Retailer 12£4,808 GBP
Retailer 8£5,840 GBP
Retailer 13£6,460 GBP
Retailer 6£7,042 GBP
Retailer 10£7,613 GBP
Retailer 2£8,281 GBP
Retailer 11£9,324 GBP
Retailer 9£9,700 GBP
Retailer 1£10,710 GBP
Retailer 4£16,048 GBP
Retailer 5£16,254 GBP
With Clarity£17,577 GBP

5 data points across 15 retailers

15 retailers£3,808 GBP to £17,577 GBP

A+
Cheapest Retailer
-
£3,808 GBP
A
Retailer 2
-
£4,568 GBP
$6,120 USD
View
A
Retailer 3
-
£4,598 GBP
$6,161 USD
View
Final sale: no returns
A
Retailer 4
-
£4,808 GBP
$6,442 USD
View
A
Retailer 5
-
£5,840 GBP
View
B+
Retailer 6
-
£6,460 GBP
View
B+
Retailer 7
-
£7,042 GBP
$9,435 USD
View
B+
Retailer 8
-
£7,613 GBP
€9,715 EUR
View
B+
Retailer 9
-
£8,281 GBP
$11,095 USD
View
B+
Retailer 10
-
£9,324 GBP
View
B+
Retailer 11
-
£9,700 GBP
ZAR 209,973 ZAR
View
B+
Retailer 12
-
£10,710 GBP
$14,350 USD
View
B
Retailer 13
-
£16,048 GBP
SGD 29,058 SGD
View
B
Retailer 14
-
£16,254 GBP
$21,778 USD
View
Most Expensive
B
With Clarity
840629928 · Oct 30
£17,577 GBP
$23,551 USD
View
14 more retailers have this diamond
Prices start from £3,808 GBPSave up to £13,769 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
£3,808 GBP