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Asscher|Lab Grown|IGI

4.00ct G VS1 Asscher Lab Grown Diamond

EX • G/VS1 • IGI LG830684477

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG830684477

Diamond specifications and retailer prices

From £382 GBP
$512 USD
As of November 1, 2026
Save £1,504 GBP (80%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,885 GBP at Rare Carat · As of November 1, 2026
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 LG830684477 or 830684477. Listed at 3 retailers as of November 1, 2026, with prices from £382 to £1,885, a £1,504 spread on the same certified stone. Rare Carat lists it at £1,885. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830684477
Dimensions8.98 × 8.76 × 5.56 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.98 mm8.76 mm4.00 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830684477
Side View
Table 68.0%Crown 40.8°Girdle: MediumPavilion 39.9°Culet: NoneDepth 63.5%

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: Nov 1
Current: £1,885 GBP|Low: £382 GBP|High: £1,904 GBP|Avg: £991 GBP|-1.0%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 3£382 GBP
Retailer 7£673 GBP
Retailer 2£728 GBP
Retailer 6£831 GBP
Retailer 4£1,016 GBP
Retailer 5£1,447 GBP
Rare Carat£1,885 GBP

38 data points across 7 retailers

3 retailers£382 GBP to £1,885 GBP

A
Cheapest Retailer
-
£382 GBP
$512 USD
Final sale: no returns
A
Retailer 2
-
£728 GBP
View
Most Expensive
B+
Rare Carat
830684477 · Nov 1
£1,885 GBP
$2,530 USD
View
2 more retailers have this diamond
Prices start from £382 GBPSave up to £1,504 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
£382 GBP