Cushion|Lab Grown|IGI

3.78ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG776645477

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG776645477

Diamond specifications and retailer prices

From €2,154 EUR
$2,407 USD
As of October 31, 2026
Save €6,749 EUR (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €13,704 EUR at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.78ct lab-grown cushion diamond

This 3.78ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG776645477 or 776645477. Listed at 17 retailers as of October 31, 2026, with a 313% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776645477
Dimensions10.93 × 8.30 × 5.49 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.93 mm8.30 mm3.78 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776645477
Side View
Table 61.0%Crown 34.2°Girdle: MED-STKPavilion 42.4°Culet: NoneDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €13,704 EUR|Low: €2,311 EUR|High: €13,704 EUR|Avg: €4,678 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 4€2,311 EUR
Retailer 5€2,353 EUR
Retailer 6€2,444 EUR
Retailer 13€2,457 EUR
Retailer 12€2,975 EUR
Retailer 3€3,239 EUR
Retailer 8€3,444 EUR
Retailer 7€4,843 EUR
Retailer 2€4,864 EUR
Retailer 11€5,770 EUR
Retailer 9€5,924 EUR
Retailer 15€6,171 EUR
Retailer 14€6,771 EUR
Retailer 10€6,867 EUR
Do Amore Diamonds€13,704 EUR

44 data points across 15 retailers

17 retailers€2,154 EUR to €8,903 EUR

A
Cheapest Retailer
-
€2,154 EUR
$2,407 USD
Retailer 2
-
€2,311 EUR
$2,582 USD
View
Price last confirmed 21 days ago
B+
Retailer 3
-
€2,353 EUR
$2,629 USD
View
B+
Retailer 4
-
€2,444 EUR
$2,731 USD
View
Final sale: no returns
B+
Retailer 5
-
€2,457 EUR
$2,745 USD
View
Retailer 6
-
€2,975 EUR
£2,617 GBP
View
Price last confirmed 15 days ago
B+
Retailer 7
-
€3,239 EUR
$3,619 USD
View
B+
Retailer 8
-
€3,444 EUR
£3,030 GBP
View
B
Retailer 9
-
€4,843 EUR
£4,260 GBP
View
B
Retailer 10
-
€4,864 EUR
A$8,360 AUD
View
Retailer 11
-
€5,770 EUR
A$9,917 AUD
View
Price last confirmed 10 days ago
B
Retailer 12
-
€5,924 EUR
ZAR 106,916 ZAR
View
B
Retailer 13
-
€6,171 EUR
$6,894 USD
View
B
Retailer 14
-
€6,771 EUR
$7,565 USD
View
B
Retailer 15
-
€6,867 EUR
£6,041 GBP
View
B
Retailer 16
-
€8,903 EUR
$9,947 USD
View
Most Expensive
Do Amore Diamonds
27-565A97105 · Oct 30
€13,704 EUR
$15,310 USD
View
Price under review
16 more retailers have this diamond
Prices start from €2,154 EURSave up to €6,749 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 Cushion
€2,154 EUR