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Asscher|Lab Grown|IGI

4.07ct D FL Asscher Lab Grown Diamond

ID • D/FL • IGI LG780663841

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG780663841

Diamond specifications and retailer prices

From £4,483 GBP
$6,007 USD
As of October 30, 2026
Save £15,254 GBP (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £19,737 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.07ct lab-grown asscher diamond

This 4.07ct 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 LG780663841 or 780663841. Listed at 14 retailers as of October 30, 2026, with prices from £4,483 to £19,737, a £15,254 spread on the same certified stone. With Clarity lists it at £19,737. 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

4.07
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle44.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780663841
Dimensions8.82 × 8.81 × 5.71 mm
L/W Ratio1.00
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
8.82 mm8.81 mm4.07 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780663841
Side View
Table 61.0%Crown 31.9°Girdle: MED-STKPavilion 44.3°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: £6,260 GBP|Low: £4,483 GBP|High: £24,954 GBP|Avg: £10,614 GBP|-19.0%
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
With Clarity
October 31, 2026
Retailer 11£4,483 GBP
Retailer 13£4,721 GBP
Retailer 3£6,229 GBP
Retailer 1£6,260 GBP
Retailer 10£6,564 GBP
Retailer 2£7,631 GBP
Retailer 8£8,152 GBP
Retailer 4£9,283 GBP
Retailer 9£10,052 GBP
Retailer 6£10,404 GBP
Retailer 7£10,458 GBP
Retailer 12£13,365 GBP
Retailer 5£17,300 GBP
With Clarity£19,737 GBP

38 data points across 14 retailers

14 retailers£4,483 GBP to £19,737 GBP

A
Cheapest Retailer
-
£4,483 GBP
$6,007 USD
A
Retailer 2
-
£4,721 GBP
$6,326 USD
View
A
Retailer 3
-
£6,229 GBP
HK$65,200 HKD
View
A
Retailer 4
-
£6,260 GBP
View
Retailer 5
-
£6,564 GBP
$8,795 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£7,631 GBP
$10,225 USD
View
B+
Retailer 7
-
£8,152 GBP
€10,403 EUR
View
B+
Retailer 8
-
£9,283 GBP
$12,438 USD
View
B+
Retailer 9
-
£10,052 GBP
View
B+
Retailer 10
-
£10,404 GBP
$13,940 USD
View
B+
Retailer 11
-
£10,458 GBP
ZAR 226,369 ZAR
View
B
Retailer 12
-
£13,365 GBP
$17,908 USD
View
B
Retailer 13
-
£17,300 GBP
$23,180 USD
View
Most Expensive
B
With Clarity
780663841 · Oct 31
£19,737 GBP
$26,446 USD
View
13 more retailers have this diamond
Prices start from £4,483 GBPSave up to £15,254 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
4.07ct Asscher
£4,483 GBP