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Cushion|Lab Grown|IGI

1.40ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG778668551

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG778668551

Diamond specifications and retailer prices

From €219 EUR
$244 USD
As of October 28, 2026
Save €905 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,125 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.4ct lab-grown cushion diamond

This 1.4ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778668551 or 778668551. Listed at 14 retailers as of October 28, 2026, with prices from €219 to €1,125, a €905 spread on the same certified stone. Reve Diamonds lists it at €1,125. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778668551
Dimensions7.94 × 5.44 × 3.71 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.94 mm5.44 mm1.40 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778668551
Side View
Table 63.0%Crown 41.5°Girdle: MED-THKPavilion 35.5°Culet: NoneDepth 68.2%

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 28
Current: €299 EUR|Low: €219 EUR|High: €1,125 EUR|Avg: €587 EUR|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
October 30, 2026
Retailer 12€219 EUR
Retailer 13€243 EUR
Retailer 1€299 EUR
Retailer 10€328 EUR
Retailer 7€418 EUR
Retailer 6€451 EUR
Retailer 3€535 EUR
Retailer 8€595 EUR
Retailer 2€648 EUR
Retailer 5€789 EUR
Retailer 4€829 EUR
Retailer 11€945 EUR
Retailer 9€976 EUR
Reve Diamonds€1,125 EUR

43 data points across 14 retailers

14 retailers€219 EUR to €1,125 EUR

A
Cheapest Retailer
-
€219 EUR
$244 USD
Final sale: no returns
A
Retailer 2
-
€243 EUR
$271 USD
View
A
Retailer 3
-
€299 EUR
£262 GBP
View
B+
Retailer 4
-
€328 EUR
$365 USD
View
A
Retailer 5
-
€418 EUR
ZAR 7,511 ZAR
View
A
Retailer 6
-
€451 EUR
£396 GBP
View
A
Retailer 7
-
€535 EUR
$595 USD
View
A
Retailer 8
-
€595 EUR
A$1,018 AUD
View
B+
Retailer 9
-
€648 EUR
$721 USD
View
B+
Retailer 10
-
€789 EUR
SGD 1,186 SGD
View
B+
Retailer 11
-
€829 EUR
$923 USD
View
B+
Retailer 12
-
€945 EUR
£828 GBP
View
B+
Retailer 13
-
€976 EUR
£855 GBP
View
Most Expensive
B
Reve Diamonds
E75D664DF · Oct 30
€1,125 EUR
$1,252 USD
View
13 more retailers have this diamond
Prices start from €219 EURSave up to €905 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
1.40ct Cushion
€219 EUR