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Asscher|Lab Grown|IGI

3.40ct D IF Asscher Lab Grown Diamond

ID • D/IF • IGI LG836614600

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG836614600

Diamond specifications and retailer prices

From £1,790 GBP
$2,399 USD
As of October 30, 2026
Save £6,762 GBP (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £8,553 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.4ct lab-grown asscher diamond

This 3.4ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836614600 or 836614600. Listed at 21 retailers as of October 30, 2026, with prices from £1,790 to £8,553, a £6,762 spread on the same certified stone. Brilliant Earth lists it at £8,553. 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

3.40
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614600
Dimensions8.25 × 8.25 × 5.60 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
8.25 mm8.25 mm3.40 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614600
Side View
Table 58.0%Crown 37.1°Girdle: MediumPavilion 39.7°Culet: NoneDepth 67.9%

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: £8,553 GBP|Low: £1,790 GBP|High: £8,553 GBP|Avg: £3,982 GBP
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 12£1,790 GBP
Retailer 4£1,948 GBP
Retailer 8£2,077 GBP
Retailer 21£2,198 GBP
Retailer 11£2,200 GBP
Retailer 2£2,478 GBP
Retailer 13£2,854 GBP
Retailer 7£2,855 GBP
Retailer 3£2,947 GBP
Retailer 19£3,114 GBP
Retailer 20£3,238 GBP
Retailer 16£3,642 GBP
Retailer 10£3,935 GBP
Retailer 18£4,697 GBP
Retailer 15£4,822 GBP
Retailer 14£5,365 GBP
Retailer 17£5,590 GBP
Retailer 9£7,250 GBP
Retailer 5£7,679 GBP
Retailer 6£8,409 GBP
Brilliant Earth£8,553 GBP

12 data points across 21 retailers

21 retailers£1,790 GBP to £8,553 GBP

A
Cheapest Retailer
-
£1,790 GBP
$2,399 USD
A
Retailer 2
-
£1,948 GBP
$2,610 USD
View
A
Retailer 3
-
£2,077 GBP
$2,783 USD
View
A
Retailer 4
-
£2,198 GBP
$2,945 USD
View
A
Retailer 5
-
£2,200 GBP
$2,948 USD
View
Final sale: no returns
A
Retailer 6
-
£2,478 GBP
View
A
Retailer 7
-
£2,854 GBP
View
A
Retailer 8
-
£2,855 GBP
$3,825 USD
View
A
Retailer 9
-
£2,947 GBP
$3,949 USD
View
A
Retailer 10
-
£3,114 GBP
$4,172 USD
View
A
Retailer 11
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£3,238 GBP
$4,339 USD
View
A
Retailer 12
-
£3,642 GBP
€4,648 EUR
View
A
Retailer 13
-
£3,935 GBP
View
Retailer 14
-
£4,697 GBP
A$9,683 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
£4,822 GBP
ZAR 104,386 ZAR
View
B+
Retailer 16
-
£5,365 GBP
$7,188 USD
View
B+
Retailer 17
-
£5,590 GBP
View
B
Retailer 18
-
£7,250 GBP
$9,714 USD
View
B
Retailer 19
-
£7,679 GBP
SGD 13,904 SGD
View
B
Retailer 20
-
£8,409 GBP
$11,267 USD
View
Most Expensive
B
Brilliant Earth
22192077A · Oct 30
£8,553 GBP
$11,460 USD
View
20 more retailers have this diamond
Prices start from £1,790 GBPSave up to £6,762 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
3.40ct Asscher
£1,790 GBP