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Radiant|Lab Grown|IGI

1.55ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG600355829

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

Certificate IGI LG600355829

Diamond specifications and retailer prices

From ₹36,461 INR
$384 USD
As of October 30, 2026
Save ₹68,934 INR (65%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: ₹1,05,395 INR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.55ct lab-grown radiant diamond

This 1.55ct 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 LG600355829 or 600355829. Listed at 11 retailers as of October 30, 2026, with prices from ₹36,461 to ₹1,05,395, a ₹68,934 spread on the same certified stone. Brilliant Earth lists it at ₹1,05,395. 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

1.55
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600355829
Dimensions8.31 × 5.68 × 3.86 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.31 mm5.68 mm1.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600355829
Side View
Table 65.0%Crown 43.6°Girdle: MediumPavilion 35.4°Culet: NoneDepth 68.0%

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: Oct 30
Current: ₹1,05,395 INR|Low: ₹13,293 INR|High: ₹1,26,284 INR|Avg: ₹55,454 INR|-16.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 7₹18,420 INR
Retailer 6₹36,461 INR
Retailer 2₹36,496 INR
Retailer 4₹38,583 INR
Retailer 9₹44,152 INR
Retailer 8₹52,412 INR
Retailer 3₹69,314 INR
Retailer 5₹95,866 INR
Brilliant Earth₹1,05,395 INR

37 data points across 9 retailers

11 retailers₹36,461 INR to ₹1,05,395 INR

Retailer 1
-
₹19,085 INR
$201 USD
Price last confirmed 33 days ago
Retailer 2
-
₹20,129 INR
$212 USD
View
Price last confirmed 33 days ago
B+
Retailer 3
-
₹36,461 INR
$384 USD
View
A
Retailer 4
-
₹36,496 INR
£303 GBP
View
Retailer 5
-
₹38,583 INR
€387 EUR
View
Price last confirmed 7 days ago
A
Retailer 6
-
₹44,152 INR
$465 USD
View
B+
Retailer 7
-
₹52,412 INR
$552 USD
View
B
Retailer 8
-
₹69,314 INR
$730 USD
View
B+
Retailer 9
-
₹71,739 INR
£595 GBP
View
Retailer 10
-
₹95,866 INR
£795 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
8177429A · Oct 30
₹1,05,395 INR
$1,110 USD
View
10 more retailers have this diamond
Prices start from ₹36,461 INRSave up to ₹68,934 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
1.55ct Radiant
₹36,461 INR