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Cushion|Lab Grown|IGI

1.50ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG648477549

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG648477549

Diamond specifications and retailer prices

From ₹23,856 INR
As of November 6, 2026
Save ₹17,093 INR (42%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: ₹1,18,339 INR at Brilliant Earth · As of October 15, 2026
View at Brilliant Earth

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648477549 or 648477549. Listed at 8 retailers as of November 6, 2026, with a 72% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.50
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle43.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648477549
Dimensions7.73 × 6.25 × 4.22 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.73 mm6.25 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648477549
Side View
Table 62.0%Crown 33.7°Girdle: THN-STKPavilion 43.5°Culet: NoneDepth 67.5%

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 6
Current: ₹1,18,339 INR|Low: ₹18,784 INR|High: ₹1,24,914 INR|Avg: ₹51,681 INR|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11₹18,784 INR
Retailer 2₹23,856 INR
Retailer 4₹32,778 INR
Retailer 5₹33,905 INR
Retailer 9₹33,999 INR
Retailer 7₹34,375 INR
Retailer 10₹40,949 INR
Retailer 3₹43,391 INR
Retailer 8₹79,832 INR
Retailer 6₹88,848 INR
Brilliant Earth₹1,18,339 INR

23 data points across 11 retailers

8 retailers₹23,856 INR to ₹40,949 INR

Retailer 1
-
₹18,784 INR
Price last confirmed 26 days ago
A
Retailer 2
-
₹23,856 INR
View
A
Retailer 3
-
₹32,778 INR
View
A
Retailer 4
-
₹33,905 INR
View
B+
Retailer 5
-
₹33,999 INR
View
A
Retailer 6
-
₹40,949 INR
View
Retailer 7
-
₹79,832 INR
View
Price last confirmed 27 days ago
Most Expensive
Brilliant Earth
13300652A · Oct 15
₹1,18,339 INR
$1,260 USD
View
Price last confirmed 22 days ago
7 more retailers have this diamond
Prices start from ₹23,856 INRSave up to ₹17,093 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
1.50ct Cushion
₹23,856 INR