Asscher|Lab Grown|IGI

3.09ct H VS1 Asscher Lab Grown Diamond

EX • H/VS1 • IGI LG848630128

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG848630128

Diamond specifications and retailer prices

From £625 GBP
As of November 1, 2026
Save £1,091 GBP (64%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,717 GBP at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

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 LG848630128 or 848630128. Listed at 2 retailers as of November 1, 2026, with prices from £625 to £1,717, a £1,091 spread on the same certified stone. Brilliant Earth lists it at £1,717. 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 angle39.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848630128
Dimensions7.99 × 7.99 × 5.31 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.99 mm7.99 mm3.09 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848630128
Side View
Table 65.0%Crown 39.2°Girdle: MediumPavilion 40.1°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,717 GBP|Low: £625 GBP|High: £1,717 GBP|Avg: £991 GBP
Brilliant Earth
Retailer 2
November 1, 2026
Retailer 2£625 GBP
Brilliant Earth£1,717 GBP

4 data points across 2 retailers

2 retailers£625 GBP to £1,717 GBP

A
Cheapest Retailer
-
£625 GBP
Most Expensive
B+
Brilliant Earth
22338908A · Nov 1
£1,717 GBP
$2,300 USD
View
1 more retailer has this diamond
Prices start from £625 GBPSave up to £1,091 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
£625 GBP