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Cushion|Lab Grown|IGI

4.05ct F SI1 Cushion Lab Grown Diamond

EX • F/SI1 • IGI LG823613807

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG823613807

Diamond specifications and retailer prices

From ₹45,665 INR
£379 GBP
As of November 2, 2026
Save ₹1,74,526 INR (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: ₹2,20,191 INR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4.05ct lab-grown cushion diamond

This 4.05ct 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 LG823613807 or 823613807. Listed at 11 retailers as of October 28, 2026, with prices from ₹45,665 to ₹2,20,191, a ₹1,74,526 spread on the same certified stone. Rare Carat lists it at ₹2,20,191. 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

4.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823613807
Dimensions10.04 × 9.05 × 5.70 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.04 mm9.05 mm4.05 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823613807
Side View
Table 64.0%Crown 34.2°Girdle: MED-THKPavilion 37.9°Culet: NoneDepth 63.0%

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: ₹45,665 INR|Low: ₹40,554 INR|High: ₹1,99,004 INR|Avg: ₹1,01,530 INR|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 1₹45,665 INR
Retailer 9₹47,740 INR
Retailer 10₹52,960 INR
Retailer 5₹66,437 INR
Retailer 2₹70,993 INR
Retailer 4₹86,857 INR
Retailer 8₹1,08,862 INR
Retailer 6₹1,73,229 INR
Retailer 7₹1,80,161 INR
Retailer 3₹1,94,424 INR

31 data points across 10 retailers

11 retailers₹45,665 INR to ₹2,20,191 INR

A
Cheapest Retailer
-
₹45,665 INR
£379 GBP
A
Retailer 2
-
₹47,740 INR
$503 USD
View
Final sale: no returns
Retailer 3
-
₹52,960 INR
$558 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
₹66,437 INR
$700 USD
View
B+
Retailer 5
-
₹70,993 INR
$748 USD
View
A
Retailer 6
-
₹86,857 INR
£721 GBP
View
A
Retailer 7
-
₹1,08,862 INR
$1,147 USD
View
B
Retailer 8
-
₹1,73,229 INR
$1,825 USD
View
B
Retailer 9
-
₹1,80,161 INR
$1,898 USD
View
B
Retailer 10
-
₹1,94,424 INR
£1,613 GBP
View
Most Expensive
B
Rare Carat
G 2 A_l_823613807 · Oct 28
₹2,20,191 INR
$2,320 USD
View
10 more retailers have this diamond
Prices start from ₹45,665 INRSave up to ₹1,74,526 INR

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
4.05ct Cushion
₹45,665 INR