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Cushion|Lab Grown|IGI

3.51ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG749583773

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

Certificate IGI LG749583773

Diamond specifications and retailer prices

From €2,487 EUR
$2,778 USD
As of October 29, 2026
Save €5,826 EUR (70%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €8,312 EUR at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.51ct lab-grown cushion diamond

This 3.51ct 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 LG749583773 or 749583773. Listed at 22 retailers as of October 29, 2026, with prices from €2,487 to €8,312, a €5,826 spread on the same certified stone. Taylor and Hart lists it at €8,312. 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

3.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749583773
Dimensions8.52 × 8.11 × 5.37 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.52 mm8.11 mm3.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749583773
Side View
Table 64.0%Crown 38.6°Girdle: THK-VTKPavilion 31.4°Culet: NoneDepth 66.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: €6,543 EUR|Low: €1,642 EUR|High: €8,718 EUR|Avg: €4,425 EUR|+2.1%
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
Retailer 14
Retailer 15
October 30, 2026
Retailer 4€2,380 EUR
Retailer 6€2,487 EUR
Retailer 14€2,511 EUR
Retailer 2€2,529 EUR
Retailer 8€3,276 EUR
Retailer 12€3,401 EUR
Retailer 15€3,403 EUR
Retailer 10€3,795 EUR
Retailer 7€4,515 EUR
Retailer 13€5,382 EUR
Retailer 9€5,526 EUR
Retailer 3€6,037 EUR
Retailer 11€6,491 EUR
Retailer 1€6,543 EUR
Retailer 5€7,965 EUR

45 data points across 15 retailers

22 retailers€2,487 EUR to €8,312 EUR

Retailer 1
-
€2,380 EUR
$2,659 USD
Price last confirmed 19 days ago
A
Retailer 2
-
€2,487 EUR
$2,778 USD
View
A
Retailer 3
-
€2,511 EUR
$2,805 USD
View
Final sale: no returns
A
Retailer 4
-
€2,529 EUR
$2,825 USD
View
A
Retailer 5
-
€2,750 EUR
HK$24,000 HKD
View
A
Retailer 6
-
€3,276 EUR
£2,882 GBP
View
A
Retailer 7
-
€3,401 EUR
$3,800 USD
View
A
Retailer 8
-
€3,403 EUR
$3,802 USD
View
A
Retailer 9
-
€3,795 EUR
View
A
Retailer 10
-
€4,032 EUR
$4,505 USD
View
B+
Retailer 11
-
€4,515 EUR
£3,972 GBP
View
Retailer 12
-
€5,382 EUR
A$9,251 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
€5,526 EUR
ZAR 99,736 ZAR
View
B+
Retailer 14
-
€5,908 EUR
$6,600 USD
View
B+
Retailer 15
-
€6,037 EUR
$6,745 USD
View
B+
Retailer 16
-
€6,353 EUR
$7,098 USD
View
B+
Retailer 17
-
€6,491 EUR
£5,710 GBP
View
B
Retailer 18
-
€6,543 EUR
$7,310 USD
View
B+
Retailer 19
-
€6,650 EUR
$7,429 USD
View
B
Retailer 20
-
€7,043 EUR
$7,869 USD
View
B
Retailer 21
-
€7,965 EUR
SGD 12,025 SGD
View
Most Expensive
B
Taylor and Hart
7ST2ONS · Oct 30
€8,312 EUR
$9,287 USD
View
21 more retailers have this diamond
Prices start from €2,487 EURSave up to €5,826 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
3.51ct Cushion
€2,487 EUR