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Cushion|Lab Grown|IGI

4.10ct F SI1 Cushion Lab Grown Diamond

EX • F/SI1 • IGI LG749593778

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG749593778

Diamond specifications and retailer prices

From €678 EUR
$760 USD
As of November 2, 2026
Save €3,861 EUR (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,538 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.1ct lab-grown cushion diamond

This 4.1ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG749593778 or 749593778. Listed at 14 retailers as of October 31, 2026, with prices from €678 to €4,538, a €3,861 spread on the same certified stone. Brilliant Earth lists it at €4,538. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.10
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle44.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749593778
Dimensions10.93 × 8.57 × 5.87 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.93 mm8.57 mm4.10 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749593778
Side View
Table 65.0%Crown 33°Girdle: MED-THKPavilion 44.3°Culet: NoneDepth 68.5%

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: Nov 2
Current: €4,538 EUR|Low: €528 EUR|High: €5,385 EUR|Avg: €1,553 EUR|-15.7%
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 2, 2026
Retailer 6€586 EUR
Retailer 4€678 EUR
Retailer 7€739 EUR
Retailer 9€946 EUR
Retailer 13€983 EUR
Retailer 12€987 EUR
Retailer 2€997 EUR
Retailer 11€1,082 EUR
Retailer 10€1,462 EUR
Retailer 14€2,038 EUR
Retailer 3€2,067 EUR
Retailer 5€2,759 EUR
Retailer 8€2,771 EUR
Brilliant Earth€4,538 EUR

39 data points across 14 retailers

14 retailers€678 EUR to €4,538 EUR

Retailer 1
-
€586 EUR
$657 USD
Price last confirmed 17 days ago
A
Retailer 2
-
€678 EUR
$760 USD
View
A
Retailer 3
-
€739 EUR
$829 USD
View
Final sale: no returns
A
Retailer 4
-
€946 EUR
View
B+
Retailer 5
-
€983 EUR
$1,102 USD
View
A
Retailer 6
-
€987 EUR
$1,107 USD
View
A
Retailer 7
-
€997 EUR
£880 GBP
View
A
Retailer 8
-
€1,082 EUR
$1,214 USD
View
B+
Retailer 9
-
€1,462 EUR
$1,640 USD
View
B
Retailer 10
-
€2,038 EUR
$2,286 USD
View
B
Retailer 11
-
€2,067 EUR
$2,318 USD
View
Retailer 12
-
€2,759 EUR
$3,095 USD
View
Price last confirmed 14 days ago
B
Retailer 13
-
€2,771 EUR
£2,447 GBP
View
Most Expensive
B
Brilliant Earth
21586390A · Oct 31
€4,538 EUR
$5,090 USD
View
13 more retailers have this diamond
Prices start from €678 EURSave up to €3,861 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
4.10ct Cushion
€678 EUR