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Asscher|Lab Grown|IGI

3.99ct G VS1 Asscher Lab Grown Diamond

G/VS1 • IGI LG651420938

Certificate IGI LG651420938

Diamond specifications and retailer prices

From £3,309 GBP
$4,440 USD
As of November 2, 2026
Save £663 GBP (17%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,972 GBP at Kay Jewelers · As of November 2, 2026
View at Kay Jewelers

About this 3.99ct lab-grown asscher diamond

This 3.99ct lab-grown asscher sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included) and certified by IGI LG651420938 or 651420938. Listed at 3 retailers as of November 2, 2026, with prices from £3,309 to £3,972, a £663 spread on the same certified stone. Kay Jewelers lists it at £3,972. 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

3.99
Carat
G
Colour
VS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG651420938
Dimensions8.66 × 8.65 mm
L/W Ratio1.00
Top View
8.66 mm8.65 mm3.99 ctG / VS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651420938
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 68.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: £3,972 GBP|Low: £3,309 GBP|High: £4,956 GBP|Avg: £4,161 GBP|-19.8%
Kay Jewelers
Retailer 2
Retailer 3
May 17, 2026
Retailer 3£3,309 GBP
Kay Jewelers£3,972 GBP
Retailer 2£3,972 GBP

8 data points across 3 retailers

3 retailers£3,309 GBP to £3,972 GBP

B
Cheapest Retailer
-
£3,309 GBP
$4,440 USD
C
Retailer 2
-
£3,972 GBP
$5,330 USD
View
Most Expensive
C
Kay Jewelers
252410783 · Nov 2
£3,972 GBP
$5,330 USD
View
2 more retailers have this diamond
Prices start from £3,309 GBPSave up to £663 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.

B
3.99ct Asscher
£3,309 GBP