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Asscher|Lab Grown|IGI

3.78ct E VS1 Asscher Lab Grown Diamond

EX • E/VS1 • IGI LG829608930

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG829608930

Diamond specifications and retailer prices

From €490 EUR
$547 USD
As of October 28, 2026
Save €3,583 EUR (88%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €4,073 EUR at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 3.78ct lab-grown asscher diamond

This 3.78ct lab-grown asscher sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG829608930 or 829608930. Listed at 3 retailers as of October 24, 2026, with prices from €490 to €4,073, a €3,583 spread on the same certified stone. Brilliant Earth lists it at €4,073. 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
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829608930
Dimensions8.59 × 8.47 × 5.65 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.59 mm8.47 mm3.78 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG829608930
Side View
Table 68.0%Crown 34°Girdle: MediumPavilion 41°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: €4,073 EUR|Low: €484 EUR|High: €4,073 EUR|Avg: €1,384 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 25, 2026
Retailer 3€490 EUR
Retailer 4€685 EUR
Retailer 2€918 EUR
Retailer 5€1,590 EUR
Retailer 6€1,827 EUR
Brilliant Earth€4,073 EUR

33 data points across 6 retailers

3 retailers€490 EUR to €4,073 EUR

A
Cheapest Retailer
-
€490 EUR
$547 USD
Final sale: no returns
A
Retailer 2
-
€918 EUR
£808 GBP
View
Most Expensive
B
Brilliant Earth
21261592A · Oct 24
€4,073 EUR
$4,550 USD
View
2 more retailers have this diamond
Prices start from €490 EURSave up to €3,583 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
€490 EUR