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Asscher|Lab Grown|IGI

3.12ct F VS1 Asscher Lab Grown Diamond

ID • F/VS1 • IGI LG640408041

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG640408041

Diamond specifications and retailer prices

From £1,045 GBP
As of November 2, 2026
2 retailers carry this diamond
Most expensive: £2,062 GBP at Rare Carat · As of August 4, 2026
View at Rare Carat

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 LG640408041 or 640408041. Listed at 2 retailers as of November 2, 2026. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640408041
Dimensions7.98 × 7.84 × 5.41 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.98 mm7.84 mm3.12 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640408041
Side View
Table 65.0%Crown 34.8°Girdle: MED-STKPavilion 42.2°Culet: NoneDepth 69.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £2,062 GBP|Low: £468 GBP|High: £4,605 GBP|Avg: £1,451 GBP|-4.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 12
August 14, 2026
Retailer 10£468 GBP
Retailer 9£546 GBP
Retailer 2£705 GBP
Retailer 4£746 GBP
Retailer 11£952 GBP
Retailer 12£1,034 GBP
Retailer 8£1,251 GBP
Retailer 6£1,405 GBP
Retailer 5£1,461 GBP
Retailer 7£1,462 GBP
Rare Carat£2,062 GBP
Retailer 3£2,866 GBP

72 data points across 12 retailers

2 retailers

A
Cheapest Retailer
-
£1,045 GBP
Most Expensive
Rare Carat
NGX-30-405 · Aug 4
£2,062 GBP
$2,763 USD
View
Price last confirmed 90 days ago
1 more retailer has this diamond
Prices start from £1,045 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
£1,045 GBP