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Cushion|Lab Grown|IGI

1.40ct F VVS1 Cushion Lab Grown Diamond

VG • F/VVS1 • IGI LG635414687

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG635414687

Diamond specifications and retailer prices

From €251 EUR
$281 USD
As of November 3, 2026
Save €1,443 EUR (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,694 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG635414687 or 635414687. Listed at 18 retailers as of November 2, 2026, with prices from €251 to €1,694, a €1,443 spread on the same certified stone. Brilliant Earth lists it at €1,694. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.40
Carat
F
Color
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635414687
Dimensions5.97 × 5.97 × 4.14 mm
L/W Ratio1.00
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
5.97 mm5.97 mm1.40 ctF / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635414687
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 69.3%

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: Nov 3
Current: €1,694 EUR|Low: €251 EUR|High: €1,694 EUR|Avg: €622 EUR|+19.5%
Brilliant Earth
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
November 3, 2026
Retailer 5€251 EUR
Retailer 4€277 EUR
Retailer 7€339 EUR
Retailer 3€374 EUR
Retailer 11€419 EUR
Retailer 8€479 EUR
Retailer 10€498 EUR
Retailer 6€508 EUR
Retailer 2€523 EUR
Retailer 12€675 EUR
Retailer 14€680 EUR
Retailer 13€1,092 EUR
Retailer 9€1,111 EUR
Brilliant Earth€1,694 EUR

43 data points across 14 retailers

18 retailers€251 EUR to €1,694 EUR

A
Cheapest Retailer
-
€251 EUR
$281 USD
Final sale: no returns
Retailer 2
-
€277 EUR
$311 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
€339 EUR
£300 GBP
View
A
Retailer 4
-
€374 EUR
$420 USD
View
A
Retailer 5
-
€419 EUR
$470 USD
View
A
Retailer 6
-
€479 EUR
ZAR 8,674 ZAR
View
B+
Retailer 7
-
€498 EUR
View
B+
Retailer 8
-
€508 EUR
$570 USD
View
A
Retailer 9
-
€523 EUR
£462 GBP
View
B
Retailer 10
-
€669 EUR
$750 USD
View
B+
Retailer 11
-
€675 EUR
A$1,164 AUD
View
B
Retailer 12
-
€680 EUR
$763 USD
View
B
Retailer 13
-
€937 EUR
$1,051 USD
View
B
Retailer 14
-
€1,092 EUR
$1,225 USD
View
B
Retailer 15
-
€1,111 EUR
£981 GBP
View
Retailer 16
-
€1,147 EUR
$1,287 USD
View
Price last confirmed 85 days ago
Retailer 17
-
€1,418 EUR
$1,590 USD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
21311673A · Nov 2
€1,694 EUR
$1,900 USD
View
17 more retailers have this diamond
Prices start from €251 EURSave up to €1,443 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
€251 EUR