Asscher|Lab Grown|IGI

3.09ct H VS1 Asscher Lab Grown Diamond

EX • H/VS1 • IGI LG846643787

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG846643787

Diamond specifications and retailer prices

From £305 GBP
$408 USD
As of November 1, 2026
Save £326 GBP (52%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £630 GBP at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 3.09ct lab-grown asscher diamond

This 3.09ct lab-grown asscher sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846643787 or 846643787. Listed at 2 retailers as of November 1, 2026, with prices from £305 to £630, a £326 spread on the same certified stone. 77 Diamonds lists it at £630. 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

3.09
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846643787
Dimensions8.04 × 7.96 × 5.33 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.04 mm7.96 mm3.09 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846643787
Side View
Table 62.0%Crown 33.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 67.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £630 GBP|Low: £305 GBP|High: £648 GBP|Avg: £523 GBP|-2.7%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2£305 GBP
77 Diamonds£630 GBP

12 data points across 2 retailers

2 retailers£305 GBP to £630 GBP

A
Cheapest Retailer
-
£305 GBP
$408 USD
Final sale: no returns
Most Expensive
A
77 Diamonds
ACTVSZRWXNKF6 · Nov 2
£630 GBP
View
1 more retailer has this diamond
Prices start from £305 GBPSave up to £326 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
3.09ct Asscher
£305 GBP