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Cushion|Lab Grown|IGI

3.09ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG756522143

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG756522143

Diamond specifications and retailer prices

From €1,384 EUR
$1,546 USD
As of October 29, 2026
Save €7,818 EUR (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €9,202 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG756522143 or 756522143. Listed at 17 retailers as of October 29, 2026, with prices from €1,384 to €9,202, a €7,818 spread on the same certified stone. Brilliant Earth lists it at €9,202. 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

3.09
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756522143
Dimensions7.30 × 7.30 × 4.93 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm7.30 mm3.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756522143
Side View
Table 65.0%Crown 35.8°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 67.5%

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 29
Current: €9,202 EUR|Low: €1,384 EUR|High: €9,488 EUR|Avg: €3,503 EUR|-0.1%
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
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 4€1,384 EUR
Retailer 8€1,481 EUR
Retailer 16€1,589 EUR
Retailer 14€1,634 EUR
Retailer 2€2,022 EUR
Retailer 7€2,120 EUR
Retailer 11€2,595 EUR
Retailer 17€2,845 EUR
Retailer 13€3,242 EUR
Retailer 10€3,328 EUR
Retailer 5€3,465 EUR
Retailer 3€3,863 EUR
Retailer 12€4,115 EUR
Retailer 15€4,440 EUR
Retailer 6€5,040 EUR
Retailer 9€7,040 EUR
Brilliant Earth€9,202 EUR

36 data points across 17 retailers

17 retailers€1,384 EUR to €9,202 EUR

A
Cheapest Retailer
-
€1,384 EUR
$1,546 USD
Final sale: no returns
Retailer 2
-
€1,481 EUR
$1,655 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
€1,589 EUR
$1,775 USD
View
A
Retailer 4
-
€1,634 EUR
$1,825 USD
View
A
Retailer 5
-
€2,022 EUR
£1,779 GBP
View
A
Retailer 6
-
€2,120 EUR
$2,368 USD
View
A
Retailer 7
-
€2,595 EUR
View
A
Retailer 8
-
€2,845 EUR
$3,179 USD
View
Retailer 9
-
€3,242 EUR
A$5,573 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
€3,328 EUR
ZAR 60,072 ZAR
View
A
Retailer 11
-
€3,465 EUR
£3,048 GBP
View
A
Retailer 12
-
€3,863 EUR
$4,316 USD
View
B+
Retailer 13
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€4,115 EUR
£3,620 GBP
View
B+
Retailer 14
-
€4,440 EUR
$4,961 USD
View
B+
Retailer 15
-
€5,040 EUR
$5,630 USD
View
Retailer 16
-
€7,040 EUR
A$12,100 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
17439238A · Oct 29
€9,202 EUR
$10,280 USD
View
16 more retailers have this diamond
Prices start from €1,384 EURSave up to €7,818 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
3.09ct Cushion
€1,384 EUR