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Asscher|Lab Grown|IGI

3.09ct D FL Asscher Lab Grown Diamond

EX • D/FL • IGI LG787620774

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG787620774

Diamond specifications and retailer prices

From £1,996 GBP
$2,658 USD
As of October 30, 2026
Save £7,781 GBP (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £9,777 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.09ct lab-grown asscher diamond

This 3.09ct 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 LG787620774 or 787620774. Listed at 13 retailers as of October 28, 2026, with prices from £1,996 to £9,777, a £7,781 spread on the same certified stone. Brilliant Earth lists it at £9,777. 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

3.09
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787620774
Dimensions7.93 × 7.92 × 5.22 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
7.93 mm7.92 mm3.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787620774
Side View
Table 65.0%Crown 38.1°Girdle: Slightly ThickPavilion 42.1°Culet: NoneDepth 65.9%

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 30
Current: £9,777 GBP|Low: £1,996 GBP|High: £10,210 GBP|Avg: £6,067 GBP
Brilliant Earth
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
October 30, 2026
Retailer 14£1,996 GBP
Retailer 11£2,460 GBP
Retailer 4£3,383 GBP
Retailer 2£3,604 GBP
Retailer 3£4,099 GBP
Retailer 8£4,359 GBP
Retailer 10£4,866 GBP
Retailer 5£6,190 GBP
Retailer 7£6,306 GBP
Retailer 9£6,921 GBP
Retailer 12£7,144 GBP
Retailer 13£7,147 GBP
Retailer 6£9,476 GBP
Brilliant Earth£9,777 GBP

42 data points across 14 retailers

13 retailers£1,996 GBP to £9,777 GBP

A
Cheapest Retailer
-
£1,996 GBP
$2,658 USD
A
Retailer 2
-
£2,460 GBP
$3,276 USD
View
A
Retailer 3
-
£3,383 GBP
HK$35,200 HKD
View
A
Retailer 4
-
£3,604 GBP
View
B+
Retailer 5
-
£4,099 GBP
$5,458 USD
View
B+
Retailer 6
-
£4,359 GBP
€5,529 EUR
View
B+
Retailer 7
-
£6,190 GBP
$8,243 USD
View
B+
Retailer 8
-
£6,306 GBP
ZAR 135,654 ZAR
View
B+
Retailer 9
-
£6,921 GBP
View
B+
Retailer 10
-
£7,144 GBP
$9,514 USD
View
B
Retailer 11
-
£7,147 GBP
$9,517 USD
View
B
Retailer 12
-
£9,476 GBP
$12,619 USD
View
Most Expensive
B
Brilliant Earth
20870446Y · Oct 28
£9,777 GBP
$13,020 USD
View
12 more retailers have this diamond
Prices start from £1,996 GBPSave up to £7,781 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
3.09ct Asscher
£1,996 GBP