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Cushion|Lab Grown|IGI

4.09ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG677556271

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG677556271

Diamond specifications and retailer prices

From ₹46,276 INR
£384 GBP
As of November 2, 2026
Save ₹1,78,186 INR (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: ₹2,24,462 INR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4.09ct lab-grown cushion diamond

This 4.09ct 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 LG677556271 or 677556271. Listed at 10 retailers as of October 28, 2026, with prices from ₹46,276 to ₹2,24,462, a ₹1,78,186 spread on the same certified stone. Rare Carat lists it at ₹2,24,462. 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

4.09
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677556271
Dimensions10.61 × 8.73 × 5.91 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.61 mm8.73 mm4.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677556271
Side View
Table 61.0%Crown 33.8°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 67.7%

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: ₹3,31,857 INR|Low: ₹46,276 INR|High: ₹5,46,682 INR|Avg: ₹1,83,413 INR
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 2₹46,276 INR
Retailer 10₹59,528 INR
Retailer 7₹67,386 INR
Retailer 6₹81,120 INR
Retailer 12₹84,090 INR
Retailer 9₹86,368 INR
Retailer 5₹88,087 INR
Retailer 11₹1,10,855 INR
Retailer 8₹1,98,161 INR
Rare Carat₹3,31,857 INR
Retailer 3₹4,50,100 INR
Retailer 4₹5,46,682 INR

6 data points across 12 retailers

10 retailers₹46,276 INR to ₹2,24,462 INR

A
Cheapest Retailer
-
₹46,276 INR
£384 GBP
A
Retailer 2
-
₹59,528 INR
HK$4,900 HKD
View
A
Retailer 3
-
₹67,386 INR
$710 USD
View
A
Retailer 4
-
₹81,120 INR
€814 EUR
View
B+
Retailer 5
-
₹84,090 INR
$886 USD
View
A
Retailer 6
-
₹86,368 INR
$910 USD
View
A
Retailer 7
-
₹88,087 INR
£731 GBP
View
A
Retailer 8
-
₹1,10,855 INR
$1,168 USD
View
B
Retailer 9
-
₹1,98,161 INR
£1,644 GBP
View
Most Expensive
B
Rare Carat
KI2715562KF677 · Oct 28
₹2,24,462 INR
$2,365 USD
View
9 more retailers have this diamond
Prices start from ₹46,276 INRSave up to ₹1,78,186 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
4.09ct Cushion
₹46,276 INR