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Asscher|Lab Grown|IGI

3.12ct F VS1 Asscher Lab Grown Diamond

EX • F/VS1 • IGI LG847679573

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG847679573

Diamond specifications and retailer prices

From £367 GBP
$492 USD
As of November 1, 2026
Save £330 GBP (47%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £698 GBP at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 3.12ct lab-grown asscher diamond

This 3.12ct lab-grown asscher sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG847679573 or 847679573. Listed at 2 retailers as of November 1, 2026, with prices from £367 to £698, a £330 spread on the same certified stone. 77 Diamonds lists it at £698. 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

3.12
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847679573
Dimensions8.14 × 8.01 × 5.29 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.14 mm8.01 mm3.12 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847679573
Side View
Table 62.0%Crown 34.7°Girdle: MediumPavilion 39.3°Culet: NoneDepth 66.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £698 GBP|Low: £367 GBP|High: £713 GBP|Avg: £592 GBP|-1.9%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2£367 GBP
77 Diamonds£698 GBP

10 data points across 2 retailers

2 retailers£367 GBP to £698 GBP

A
Cheapest Retailer
-
£367 GBP
$492 USD
Final sale: no returns
Most Expensive
A
77 Diamonds
ACTVS8TEV8KTC · Nov 2
£698 GBP
View
1 more retailer has this diamond
Prices start from £367 GBPSave up to £330 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
3.12ct Asscher
£367 GBP