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Asscher|Lab Grown|IGI

4.00ct G VS1 Asscher Lab Grown Diamond

ID • G/VS1 • IGI LG638499556

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG638499556

Diamond specifications and retailer prices

From £1,172 GBP
As of November 2, 2026
2 retailers carry this diamond
Most expensive: £2,752 GBP at Rare Carat
View at Rare Carat

About this 4ct lab-grown asscher diamond

This 4ct lab-grown asscher sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG638499556 or 638499556. Listed at 2 retailers as of November 2, 2026. 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

4.00
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638499556
Dimensions8.82 × 8.62 × 5.65 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.82 mm8.62 mm4.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638499556
Side View
Table 68.0%Crown 38.8°Girdle: Slightly ThickPavilion 39.2°Culet: NoneDepth 65.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £2,752 GBP|Low: £302 GBP|High: £4,024 GBP|Avg: £1,682 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
March 25, 2026
Retailer 3£397 GBP
Retailer 2£447 GBP
Retailer 4£761 GBP
Retailer 5£1,689 GBP
Retailer 7£1,760 GBP
Rare Carat£2,752 GBP
Retailer 6£3,540 GBP

43 data points across 7 retailers

2 retailers

A
Cheapest Retailer
-
£1,172 GBP
Most Expensive
Rare Carat
638499556
£2,752 GBP
$3,693 USD
View
1 more retailer has this diamond
Prices start from £1,172 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
4.00ct Asscher
£1,172 GBP