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Radiant|Lab Grown|IGI

1.80ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG577399386

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

Certificate IGI LG577399386

Diamond specifications and retailer prices

From ₹39,008 INR
$411 USD
As of November 1, 2026
Save ₹91,019 INR (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: ₹1,30,027 INR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.8ct lab-grown radiant diamond

This 1.8ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG577399386 or 577399386. Listed at 11 retailers as of November 1, 2026, with prices from ₹39,008 to ₹1,30,027, a ₹91,019 spread on the same certified stone. Brilliant Earth lists it at ₹1,30,027. 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

1.80
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577399386
Dimensions8.76 × 5.92 × 4.04 mm
L/W Ratio1.48
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
8.76 mm5.92 mm1.80 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577399386
Side View
Table 66.0%Crown 43.2°Girdle: MediumPavilion 35.1°Culet: NoneDepth 68.2%

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: Nov 1
Current: ₹1,30,027 INR|Low: ₹20,026 INR|High: ₹1,35,721 INR|Avg: ₹61,473 INR|-4.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3₹20,026 INR
Retailer 11₹22,209 INR
Retailer 10₹39,008 INR
Retailer 5₹39,763 INR
Retailer 2₹40,020 INR
Retailer 9₹54,953 INR
Retailer 8₹58,749 INR
Retailer 6₹71,657 INR
Retailer 4₹1,03,902 INR
Retailer 7₹1,03,926 INR
Brilliant Earth₹1,30,027 INR

38 data points across 11 retailers

11 retailers₹39,008 INR to ₹1,30,027 INR

Retailer 1
-
₹20,785 INR
$219 USD
Price last confirmed 36 days ago
Retailer 2
-
₹21,924 INR
$231 USD
View
Price last confirmed 36 days ago
B+
Retailer 3
-
₹39,008 INR
$411 USD
View
A
Retailer 4
-
₹39,763 INR
€399 EUR
View
A
Retailer 5
-
₹40,020 INR
£332 GBP
View
A
Retailer 6
-
₹54,953 INR
$579 USD
View
A
Retailer 7
-
₹58,749 INR
$619 USD
View
B+
Retailer 8
-
₹71,657 INR
$755 USD
View
B+
Retailer 9
-
₹1,03,902 INR
£862 GBP
View
B
Retailer 10
-
₹1,03,926 INR
$1,095 USD
View
Most Expensive
B
Brilliant Earth
7624068A · Nov 2
₹1,30,027 INR
$1,370 USD
View
10 more retailers have this diamond
Prices start from ₹39,008 INRSave up to ₹91,019 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
1.80ct Radiant
₹39,008 INR