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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 $760 USD
As of November 2, 2026
Save $4,330 USD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,090 USD 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 $760 to $5,090, a $4,330 spread on the same certified stone. Brilliant Earth lists it at $5,090. 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

How it works →
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: $5,090 USD|Low: $592 USD|High: $6,040 USD|Avg: $1,742 USD|-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$657 USD
Retailer 4$760 USD
Retailer 7$829 USD
Retailer 9$1,061 USD
Retailer 13$1,102 USD
Retailer 12$1,107 USD
Retailer 2$1,118 USD
Retailer 11$1,214 USD
Retailer 10$1,640 USD
Retailer 14$2,286 USD
Retailer 3$2,318 USD
Retailer 5$3,095 USD
Retailer 8$3,108 USD
Brilliant Earth$5,090 USD

39 data points across 14 retailers

14 retailers$760 USD to $5,090 USD

Retailer 1
-
$657 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$760 USD
View
A
Retailer 3
-
$829 USD
View
Final sale: no returns
A
Retailer 4
-
$1,061 USD
€1,010 EUR
View
B+
Retailer 5
-
$1,102 USD
View
A
Retailer 6
-
$1,107 USD
View
A
Retailer 7
-
$1,118 USD
£880 GBP
View
A
Retailer 8
-
$1,214 USD
View
B+
Retailer 9
-
$1,640 USD
View
B
Retailer 10
-
$2,286 USD
View
B
Retailer 11
-
$2,318 USD
View
Retailer 12
-
$3,095 USD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$3,108 USD
£2,447 GBP
View
Most Expensive
B
Brilliant Earth
21586390A · Oct 31
$5,090 USD
View
13 more retailers have this diamond
Prices start from $760 USDSave up to $4,330 USD

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
$760 USD