CaratHunter
Plans
Heart|Lab Grown|IGI

1.50ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG636479171

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG636479171

Diamond specifications and retailer prices

From ₹19,348 INR
As of November 6, 2026
Save ₹62,645 INR (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: ₹1,55,907 INR at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart 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 LG636479171 or 636479171. Listed at 14 retailers as of November 6, 2026, with a 324% 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636479171
Dimensions7.17 × 8.05 × 4.54 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.17 mm8.05 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636479171
Side View
Table 62.0%Crown 31.1°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 56.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: ₹1,55,907 INR|Low: ₹18,596 INR|High: ₹1,55,907 INR|Avg: ₹53,878 INR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 5₹19,348 INR
Retailer 7₹22,447 INR
Retailer 8₹23,950 INR
Retailer 11₹23,950 INR
Retailer 6₹30,430 INR
Retailer 3₹41,513 INR
Retailer 2₹43,673 INR
Retailer 4₹77,014 INR
Retailer 10₹77,296 INR
Retailer 9₹1,12,516 INR
Brilliant Earth₹1,55,907 INR

42 data points across 11 retailers

14 retailers₹19,348 INR to ₹81,992 INR

A
Cheapest Retailer
-
₹19,348 INR
A
Retailer 2
-
₹22,447 INR
View
A
Retailer 3
-
₹23,950 INR
View
Retailer 4
-
₹23,950 INR
View
Price last confirmed 13 days ago
A
Retailer 5
-
₹30,430 INR
View
B+
Retailer 6
-
₹41,513 INR
View
B+
Retailer 7
-
₹43,203 INR
View
A
Retailer 8
-
₹43,673 INR
View
B+
Retailer 9
-
₹47,899 INR
View
B
Retailer 10
-
₹77,014 INR
View
B
Retailer 11
-
₹77,296 INR
View
B
Retailer 12
-
₹81,992 INR
View
Retailer 13
-
₹1,12,516 INR
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
15813751A · Oct 18
₹1,55,907 INR
$1,660 USD
View
Price last confirmed 19 days ago
13 more retailers have this diamond
Prices start from ₹19,348 INRSave up to ₹62,645 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 Heart
₹19,348 INR