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Asscher|Lab Grown|IGI

3.78ct D VS1 Asscher Lab Grown Diamond

EX • D/VS1 • IGI LG612316323

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG612316323

Diamond specifications and retailer prices

From €1,067 EUR
$1,192 USD
As of October 30, 2026
Save €1,339 EUR (56%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €2,406 EUR at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 3.78ct lab-grown asscher diamond

This 3.78ct lab-grown asscher sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG612316323 or 612316323. Listed at 2 retailers as of October 29, 2026, with prices from €1,067 to €2,406, a €1,339 spread on the same certified stone. Diamond Quarter lists it at €2,406. 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

3.78
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612316323
Dimensions8.46 × 8.46 × 8.57 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.46 mm8.46 mm3.78 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG612316323
Side View
Table 65.0%Crown 33.2°Girdle: MediumPavilion 39.1°Culet: NoneDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €1,067 EUR|Low: €1,020 EUR|High: €8,127 EUR|Avg: €2,908 EUR|+4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
September 23, 2026
Retailer 1€1,067 EUR
Retailer 2€1,096 EUR
Retailer 10€1,373 EUR
Retailer 5€1,526 EUR
Retailer 7€1,654 EUR
Retailer 6€1,710 EUR
Retailer 3€1,813 EUR
Retailer 8€3,379 EUR
Retailer 9€7,080 EUR
Retailer 4€8,118 EUR

70 data points across 10 retailers

2 retailers€1,067 EUR to €2,406 EUR

A
Cheapest Retailer
-
€1,067 EUR
$1,192 USD
Most Expensive
B
Diamond Quarter
3.78VS1DLG2375E9N · Oct 29
€2,406 EUR
£2,117 GBP
View
1 more retailer has this diamond
Prices start from €1,067 EURSave up to €1,339 EUR

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
3.78ct Asscher
€1,067 EUR