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Cushion|Lab Grown|IGI

1.78ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG837638009

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG837638009

Diamond specifications and retailer prices

From €611 EUR
$683 USD
As of November 1, 2026
Save €2,655 EUR (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €3,266 EUR at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

About this 1.78ct lab-grown cushion diamond

This 1.78ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837638009 or 837638009. Listed at 8 retailers as of October 30, 2026, with prices from €611 to €3,266, a €2,655 spread on the same certified stone. Yadav Diamonds lists it at €3,266. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837638009
Dimensions7.23 × 7.22 × 4.62 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.23 mm7.22 mm1.78 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837638009
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
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: Nov 1
Current: €1,867 EUR|Low: €611 EUR|High: €3,266 EUR|Avg: €1,449 EUR|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yadav Diamonds
November 1, 2026
Retailer 7€611 EUR
Retailer 4€661 EUR
Retailer 2€835 EUR
Retailer 6€1,122 EUR
Retailer 3€1,491 EUR
Retailer 5€1,766 EUR
Retailer 1€1,867 EUR
Yadav Diamonds€3,266 EUR

22 data points across 8 retailers

8 retailers€611 EUR to €3,266 EUR

A
Cheapest Retailer
-
€611 EUR
$683 USD
A
Retailer 2
-
€661 EUR
$738 USD
View
B+
Retailer 3
-
€835 EUR
£734 GBP
View
B+
Retailer 4
-
€1,122 EUR
$1,253 USD
View
B
Retailer 5
-
€1,491 EUR
A$2,563 AUD
View
B
Retailer 6
-
€1,766 EUR
$1,973 USD
View
B
Retailer 7
-
€1,867 EUR
£1,642 GBP
View
Most Expensive
B
Yadav Diamonds
13324054 · Oct 30
€3,266 EUR
$3,649 USD
View
7 more retailers have this diamond
Prices start from €611 EURSave up to €2,655 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
1.78ct Cushion
€611 EUR