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Asscher|Lab Grown|IGI

3.40ct H VS1 Asscher Lab Grown Diamond

VG • H/VS1 • IGI LG739505900

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG739505900

Diamond specifications and retailer prices

From £389 GBP
$521 USD
As of October 30, 2026
Save £2,821 GBP (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,210 GBP at Diamond Wish · As of October 30, 2026
View at Diamond Wish

About this 3.4ct lab-grown asscher diamond

This 3.4ct lab-grown asscher sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG739505900 or 739505900. Listed at 20 retailers as of October 30, 2026, with prices from £389 to £3,210, a £2,821 spread on the same certified stone. Diamond Wish lists it at £3,210. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.40
Carat
H
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739505900
Dimensions8.09 × 8.03 × 5.33 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.09 mm8.03 mm3.40 ctH / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739505900
Side View
Table 69.0%Crown 39.2°Girdle: Slightly ThickPavilion 41.5°Culet: NoneDepth 66.4%

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: £1,125 GBP|Low: £298 GBP|High: £3,418 GBP|Avg: £1,235 GBP|+6.8%
Retailer 1
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Retailer 3
Retailer 4
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Retailer 11
Retailer 12
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Retailer 15
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Retailer 18
October 31, 2026
Retailer 17£389 GBP
Retailer 7£408 GBP
Retailer 18£482 GBP
Retailer 15£582 GBP
Retailer 13£735 GBP
Retailer 2£746 GBP
Retailer 4£758 GBP
Retailer 3£903 GBP
Retailer 12£1,018 GBP
Retailer 16£1,037 GBP
Retailer 1£1,125 GBP
Retailer 9£1,399 GBP
Retailer 6£1,523 GBP
Retailer 5£1,567 GBP
Retailer 11£1,858 GBP
Retailer 10£1,930 GBP
Retailer 8£1,979 GBP
Retailer 14£2,022 GBP

35 data points across 18 retailers

20 retailers£389 GBP to £3,210 GBP

A
Cheapest Retailer
-
£389 GBP
$521 USD
A
Retailer 2
-
£408 GBP
$547 USD
View
Final sale: no returns
A
Retailer 3
-
£435 GBP
$583 USD
View
A
Retailer 4
-
£482 GBP
$646 USD
View
Retailer 5
-
£482 GBP
$646 USD
View
Price last confirmed 14 days ago
A
Retailer 6
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£582 GBP
$780 USD
View
A
Retailer 7
-
£735 GBP
€938 EUR
View
B+
Retailer 8
-
£746 GBP
$999 USD
View
A
Retailer 9
-
£758 GBP
$1,016 USD
View
A
Retailer 10
-
£903 GBP
$1,210 USD
View
A
Retailer 11
-
£1,018 GBP
A$2,098 AUD
View
A
Retailer 12
-
£1,037 GBP
ZAR 22,441 ZAR
View
B+
Retailer 13
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£1,125 GBP
$1,508 USD
View
B+
Retailer 14
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£1,267 GBP
$1,698 USD
View
B+
Retailer 15
-
£1,399 GBP
View
B+
Retailer 16
-
£1,523 GBP
SGD 2,758 SGD
View
B+
Retailer 17
-
£1,567 GBP
$2,099 USD
View
B+
Retailer 18
-
£1,858 GBP
$2,490 USD
View
B+
Retailer 19
-
£2,022 GBP
View
Most Expensive
B
Diamond Wish
LG-AS351055-GIA · Oct 30
£3,210 GBP
$4,301 USD
View
19 more retailers have this diamond
Prices start from £389 GBPSave up to £2,821 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
£389 GBP