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Radiant|Lab Grown|IGI

1.50ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG647447808

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG647447808

Diamond specifications and retailer prices

From ₹19,911 INR
$209 USD
As of October 25, 2026
Save ₹95,365 INR (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: ₹1,15,277 INR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant 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 LG647447808 or 647447808. Listed at 16 retailers as of October 25, 2026, with prices from ₹19,911 to ₹1,15,277, a ₹95,365 spread on the same certified stone. Brilliant Earth lists it at ₹1,15,277. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647447808
Dimensions7.93 × 5.74 × 3.82 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.93 mm5.74 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647447808
Side View
Table 66.0%Crown 42.6°Girdle: MediumPavilion 35.3°Culet: NoneDepth 66.6%

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: Oct 25
Current: ₹1,15,277 INR|Low: ₹18,673 INR|High: ₹1,22,898 INR|Avg: ₹50,009 INR|-6.2%
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
October 30, 2026
Retailer 14₹18,673 INR
Retailer 4₹19,626 INR
Retailer 8₹19,911 INR
Retailer 11₹25,630 INR
Retailer 2₹35,368 INR
Retailer 12₹35,726 INR
Retailer 3₹37,135 INR
Retailer 10₹37,713 INR
Retailer 6₹41,728 INR
Retailer 5₹51,922 INR
Retailer 9₹67,642 INR
Retailer 13₹82,409 INR
Retailer 7₹93,649 INR
Brilliant Earth₹1,15,277 INR

38 data points across 14 retailers

16 retailers₹19,911 INR to ₹1,15,277 INR

Retailer 1
-
₹18,673 INR
$196 USD
Price last confirmed 32 days ago
Retailer 2
-
₹19,626 INR
$206 USD
View
Price last confirmed 32 days ago
Retailer 3
-
₹19,911 INR
$209 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
₹19,911 INR
$209 USD
View
Retailer 5
-
₹25,630 INR
£212 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
₹35,368 INR
£292 GBP
View
B+
Retailer 7
-
₹35,726 INR
$375 USD
View
Retailer 8
-
₹37,135 INR
£307 GBP
View
Price last confirmed 21 days ago
A
Retailer 9
-
₹37,713 INR
€377 EUR
View
B+
Retailer 10
-
₹41,728 INR
$438 USD
View
B+
Retailer 11
-
₹51,922 INR
$545 USD
View
B
Retailer 12
-
₹67,642 INR
$710 USD
View
B
Retailer 13
-
₹69,907 INR
£578 GBP
View
Retailer 14
-
₹82,409 INR
$865 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
₹93,649 INR
£774 GBP
View
Most Expensive
B
Brilliant Earth
11455293A · Oct 29
₹1,15,277 INR
$1,210 USD
View
15 more retailers have this diamond
Prices start from ₹19,911 INRSave up to ₹95,365 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 Radiant
₹19,911 INR