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Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG696511934

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

Certificate IGI LG696511934

Diamond specifications and retailer prices

From €1,274 EUR
$1,423 USD
As of November 2, 2026
Save €5,711 EUR (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €9,810 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 4.09ct lab-grown cushion diamond

This 4.09ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG696511934 or 696511934. Listed at 16 retailers as of October 30, 2026, with a 448% 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

4.09
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696511934
Dimensions9.33 × 9.15 × 6.13 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.33 mm9.15 mm4.09 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696511934
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €1,604 EUR|Low: €1,274 EUR|High: €5,204 EUR|Avg: €2,730 EUR|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9€1,274 EUR
Retailer 8€1,533 EUR
Retailer 1€1,604 EUR
Retailer 7€1,781 EUR
Retailer 5€2,406 EUR
Retailer 2€2,549 EUR
Retailer 6€3,827 EUR
Retailer 4€3,852 EUR
Retailer 3€5,135 EUR

37 data points across 9 retailers

16 retailers€1,274 EUR to €6,984 EUR

A
Cheapest Retailer
-
€1,274 EUR
$1,423 USD
B+
Retailer 2
-
€1,341 EUR
$1,498 USD
View
Final sale: no returns
B+
Retailer 3
-
€1,533 EUR
$1,713 USD
View
A
Retailer 4
-
€1,604 EUR
£1,411 GBP
View
B+
Retailer 5
-
€1,781 EUR
$1,990 USD
View
B+
Retailer 6
-
€2,406 EUR
View
B
Retailer 7
-
€2,429 EUR
$2,714 USD
View
B+
Retailer 8
-
€2,549 EUR
£2,243 GBP
View
B
Retailer 9
-
€3,724 EUR
£3,276 GBP
View
B
Retailer 10
-
€3,827 EUR
ZAR 69,078 ZAR
View
B
Retailer 11
-
€3,852 EUR
A$6,621 AUD
View
B
Retailer 12
-
€4,260 EUR
$4,760 USD
View
B
Retailer 13
-
€5,135 EUR
£4,517 GBP
View
B
Retailer 14
-
€6,316 EUR
$7,056 USD
View
B
Retailer 15
-
€6,984 EUR
$7,803 USD
View
Most Expensive
Do Amore Diamonds
31-LGD689639 · Nov 2
€9,810 EUR
$10,960 USD
View
Price under review
15 more retailers have this diamond
Prices start from €1,274 EURSave up to €5,711 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
4.09ct Cushion
€1,274 EUR