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Cushion|Lab Grown|IGI

3.18ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG790626874

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG790626874

Diamond specifications and retailer prices

From €840 EUR
$935 USD
As of October 25, 2026
Save €6,473 EUR (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €7,314 EUR at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 3.18ct lab-grown cushion diamond

This 3.18ct 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 LG790626874 or 790626874. Listed at 19 retailers as of October 24, 2026, with prices from €840 to €7,314, a €6,473 spread on the same certified stone. Brilliant Earth lists it at €7,314. 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

3.18
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.2°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790626874
Dimensions10.22 × 8.15 × 5.16 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.22 mm8.15 mm3.18 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790626874
Side View
Table 62.0%Crown 28.2°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 63.3%

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 25
Current: €7,314 EUR|Low: €655 EUR|High: €7,538 EUR|Avg: €2,191 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 25, 2026
Retailer 7€655 EUR
Retailer 16€792 EUR
Retailer 18€840 EUR
Retailer 4€1,026 EUR
Retailer 13€1,073 EUR
Retailer 2€1,103 EUR
Retailer 8€1,110 EUR
Retailer 17€1,543 EUR
Retailer 15€1,544 EUR
Retailer 14€1,563 EUR
Retailer 5€1,754 EUR
Retailer 3€2,109 EUR
Retailer 9€2,288 EUR
Retailer 19€2,317 EUR
Retailer 6€2,345 EUR
Retailer 12€2,866 EUR
Retailer 10€3,186 EUR
Retailer 11€3,814 EUR
Brilliant Earth€7,314 EUR

34 data points across 19 retailers

19 retailers€840 EUR to €7,314 EUR

Retailer 1
-
€792 EUR
£694 GBP
Price last confirmed 11 days ago
A
Retailer 2
-
€840 EUR
$935 USD
View
A
Retailer 3
-
€1,026 EUR
$1,142 USD
View
A
Retailer 4
-
€1,073 EUR
£941 GBP
View
A
Retailer 5
-
€1,103 EUR
View
Retailer 6
-
€1,110 EUR
$1,235 USD
View
Price last confirmed 9 days ago
Retailer 7
-
€1,543 EUR
$1,717 USD
View
Price last confirmed 7 days ago
Retailer 8
-
€1,544 EUR
A$2,643 AUD
View
Price last confirmed 9 days ago
A
Retailer 9
-
€1,563 EUR
ZAR 28,103 ZAR
View
A
Retailer 10
-
€1,754 EUR
$1,952 USD
View
B+
Retailer 11
-
€2,109 EUR
£1,848 GBP
View
B+
Retailer 12
-
€2,193 EUR
$2,441 USD
View
B+
Retailer 13
-
€2,288 EUR
SGD 3,442 SGD
View
B+
Retailer 14
-
€2,317 EUR
$2,579 USD
View
B+
Retailer 15
-
€2,345 EUR
$2,609 USD
View
B+
Retailer 16
-
€2,866 EUR
£2,512 GBP
View
Retailer 17
-
€3,186 EUR
A$5,456 AUD
View
Price last confirmed 22 days ago
Retailer 18
-
€3,814 EUR
$4,245 USD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
18673139A · Oct 24
€7,314 EUR
$8,140 USD
View
18 more retailers have this diamond
Prices start from €840 EURSave up to €6,473 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
3.18ct Cushion
€840 EUR