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Cushion|Lab Grown|IGI

4.09ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG647448988

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG647448988

Diamond specifications and retailer prices

From ₹94,910 INR
$1,000 USD
As of November 2, 2026
Save ₹1,22,908 INR (56%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: ₹2,17,818 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 LG647448988 or 647448988. Listed at 3 retailers as of October 28, 2026, with prices from ₹94,910 to ₹2,17,818, a ₹1,22,908 spread on the same certified stone. Rare Carat lists it at ₹2,17,818. 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 angle36.9°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647448988
Dimensions9.33 × 9.06 × 5.86 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.33 mm9.06 mm4.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647448988
Side View
Table 67.0%Crown 36.9°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 64.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: ₹2,17,818 INR|Low: ₹94,910 INR|High: ₹5,15,361 INR|Avg: ₹2,86,777 INR|-1.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 19, 2026
Retailer 3₹94,910 INR
Retailer 2₹2,09,237 INR
Rare Carat₹2,17,818 INR
Retailer 5₹3,91,314 INR
Retailer 4₹5,15,361 INR

4 data points across 5 retailers

3 retailers₹94,910 INR to ₹2,17,818 INR

A
Cheapest Retailer
-
₹94,910 INR
$1,000 USD
B
Retailer 2
-
₹2,09,237 INR
$2,205 USD
View
Most Expensive
B
Rare Carat
LVA31-061A · Oct 28
₹2,17,818 INR
$2,295 USD
View
2 more retailers have this diamond
Prices start from ₹94,910 INRSave up to ₹1,22,908 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
₹94,910 INR