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Asscher|Lab Grown|IGI

4.07ct D FL Asscher Lab Grown Diamond

EX • D/FL • IGI LG787621665

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG787621665

Diamond specifications and retailer prices

From £3,417 GBP
$4,579 USD
As of October 31, 2026
Save £13,883 GBP (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £17,300 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG787621665 or 787621665. Listed at 14 retailers as of October 30, 2026, with prices from £3,417 to £17,300, a £13,883 spread on the same certified stone. Taylor and Hart lists it at £17,300. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.6°
Pavilion angle44.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787621665
Dimensions8.77 × 8.74 × 5.66 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
8.77 mm8.74 mm4.07 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787621665
Side View
Table 64.0%Crown 30.6°Girdle: Slightly ThickPavilion 44.7°Culet: NoneDepth 64.8%

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 31
Current: £6,260 GBP|Low: £3,417 GBP|High: £24,954 GBP|Avg: £10,644 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
Retailer 14
Taylor and Hart
October 31, 2026
Retailer 2£3,417 GBP
Retailer 12£4,089 GBP
Retailer 1£6,260 GBP
Retailer 4£6,276 GBP
Retailer 11£6,377 GBP
Retailer 3£7,631 GBP
Retailer 9£8,152 GBP
Retailer 5£8,410 GBP
Retailer 13£9,654 GBP
Retailer 10£10,052 GBP
Retailer 7£10,404 GBP
Retailer 8£10,458 GBP
Retailer 14£13,365 GBP
Taylor and Hart£17,300 GBP
Retailer 6£24,954 GBP

39 data points across 15 retailers

14 retailers£3,417 GBP to £17,300 GBP

A
Cheapest Retailer
-
£3,417 GBP
$4,579 USD
A
Retailer 2
-
£4,089 GBP
$5,479 USD
View
A
Retailer 3
-
£6,260 GBP
View
A
Retailer 4
-
£6,276 GBP
HK$65,700 HKD
View
Retailer 5
-
£6,377 GBP
$8,545 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
-
£8,410 GBP
$11,268 USD
View
B+
Retailer 9
-
£9,654 GBP
$12,935 USD
View
B+
Retailer 10
-
£10,052 GBP
View
B+
Retailer 11
-
£10,404 GBP
$13,940 USD
View
B+
Retailer 12
-
£10,458 GBP
ZAR 226,369 ZAR
View
B+
Retailer 13
-
£13,365 GBP
$17,908 USD
View
Most Expensive
B
Taylor and Hart
95MGBWO · Oct 30
£17,300 GBP
$23,180 USD
View
13 more retailers have this diamond
Prices start from £3,417 GBPSave up to £13,883 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
£3,417 GBP