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Radiant|Lab Grown|IGI

1.72ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG594321721

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

Certificate IGI LG594321721

Diamond specifications and retailer prices

From ₹39,156 INR
$411 USD
As of October 28, 2026
Save ₹1,00,891 INR (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: ₹1,40,047 INR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.72ct lab-grown radiant diamond

This 1.72ct 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 LG594321721 or 594321721. Listed at 10 retailers as of October 28, 2026, with prices from ₹39,156 to ₹1,40,047, a ₹1,00,891 spread on the same certified stone. Brilliant Earth lists it at ₹1,40,047. 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

1.72
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG594321721
Dimensions8.56 × 5.85 × 4.00 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
8.56 mm5.85 mm1.72 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG594321721
Side View
Table 65.0%Crown 44.5°Girdle: MediumPavilion 34.9°Culet: NoneDepth 68.4%

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 28
Current: ₹1,40,047 INR|Low: ₹14,576 INR|High: ₹1,47,669 INR|Avg: ₹65,491 INR|-5.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8₹20,197 INR
Retailer 6₹39,156 INR
Retailer 2₹40,485 INR
Retailer 3₹41,914 INR
Retailer 9₹53,446 INR
Retailer 7₹54,876 INR
Retailer 4₹72,119 INR
Retailer 10₹1,00,442 INR
Retailer 5₹1,05,022 INR
Brilliant Earth₹1,40,047 INR

36 data points across 10 retailers

10 retailers₹39,156 INR to ₹1,40,047 INR

A
Retailer 1
-
₹20,959 INR
$220 USD
Price last confirmed 31 days ago
A
Retailer 2
-
₹22,103 INR
$232 USD
View
Price last confirmed 32 days ago
B+
Retailer 3
-
₹39,156 INR
$411 USD
View
A
Retailer 4
-
₹40,485 INR
£335 GBP
View
A
Retailer 5
-
₹41,914 INR
€419 EUR
View
B+
Retailer 6
-
₹53,446 INR
$561 USD
View
B+
Retailer 7
-
₹54,876 INR
$576 USD
View
B+
Retailer 8
-
₹72,119 INR
$757 USD
View
B
Retailer 9
-
₹1,05,022 INR
£868 GBP
View
Most Expensive
B
Brilliant Earth
8073062A · Oct 28
₹1,40,047 INR
$1,470 USD
View
9 more retailers have this diamond
Prices start from ₹39,156 INRSave up to ₹1,00,891 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
1.72ct Radiant
₹39,156 INR