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Asscher|Lab Grown|IGI

3.91ct E FL Asscher Lab Grown Diamond

ID • E/FL • IGI LG836616490

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG836616490

Diamond specifications and retailer prices

From £3,223 GBP
$4,319 USD
As of October 30, 2026
Save £12,515 GBP (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £15,739 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 3.91ct lab-grown asscher diamond

This 3.91ct lab-grown asscher sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836616490 or 836616490. Listed at 21 retailers as of October 30, 2026, with prices from £3,223 to £15,739, a £12,515 spread on the same certified stone. With Clarity lists it at £15,739. 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

3.91
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.6°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836616490
Dimensions8.42 × 8.39 × 5.92 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
8.42 mm8.39 mm3.91 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836616490
Side View
Table 58.0%Crown 29.6°Girdle: Slightly ThickPavilion 42.3°Culet: NoneDepth 70.6%

Caratlytics Score

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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: £4,127 GBP|Low: £3,223 GBP|High: £15,739 GBP|Avg: £6,499 GBP|-0.3%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
With Clarity
October 30, 2026
Retailer 13£3,223 GBP
Retailer 5£3,378 GBP
Retailer 20£3,524 GBP
Retailer 8£3,739 GBP
Retailer 3£3,773 GBP
Retailer 11£4,118 GBP
Retailer 1£4,127 GBP
Retailer 4£4,553 GBP
Retailer 7£4,672 GBP
Retailer 12£4,844 GBP
Retailer 19£4,865 GBP
Retailer 10£5,255 GBP
Retailer 2£5,786 GBP
Retailer 17£5,900 GBP
Retailer 15£6,817 GBP
Retailer 18£6,989 GBP
Retailer 16£7,783 GBP
Retailer 14£8,680 GBP
Retailer 9£13,323 GBP
Retailer 6£14,368 GBP
With Clarity£15,739 GBP

12 data points across 21 retailers

21 retailers£3,223 GBP to £15,739 GBP

A
Cheapest Retailer
-
£3,223 GBP
$4,319 USD
A
Retailer 2
-
£3,378 GBP
$4,526 USD
View
A
Retailer 3
-
£3,524 GBP
$4,722 USD
View
A
Retailer 4
-
£3,739 GBP
$5,010 USD
View
A
Retailer 5
-
£3,773 GBP
$5,055 USD
View
A
Retailer 6
-
£4,118 GBP
$5,517 USD
View
Final sale: no returns
A
Retailer 7
-
£4,127 GBP
View
A
Retailer 8
-
£4,553 GBP
$6,100 USD
View
A
Retailer 9
-
£4,672 GBP
$6,260 USD
View
A
Retailer 10
-
£4,844 GBP
View
B+
Retailer 11
-
£4,865 GBP
$6,519 USD
View
B+
Retailer 12
-
£5,255 GBP
View
B+
Retailer 13
-
£5,786 GBP
$7,753 USD
View
B+
Retailer 14
-
£5,900 GBP
$7,905 USD
View
B+
Retailer 15
-
£6,817 GBP
€8,699 EUR
View
B+
Retailer 16
-
£6,989 GBP
$9,365 USD
View
B+
Retailer 17
-
£7,783 GBP
View
B+
Retailer 18
-
£8,680 GBP
ZAR 187,895 ZAR
View
B
Retailer 19
-
£13,323 GBP
$17,852 USD
View
B
Retailer 20
-
£14,368 GBP
SGD 26,016 SGD
View
Most Expensive
B
With Clarity
836616490 · Oct 30
£15,739 GBP
$21,088 USD
View
20 more retailers have this diamond
Prices start from £3,223 GBPSave up to £12,515 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
3.91ct Asscher
£3,223 GBP