CaratHunter
Plans
Heart|Lab Grown|IGI

1.51ct D SI1 Heart Lab Grown Diamond

EX • D/SI1 • IGI LG650418911

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG650418911

Diamond specifications and retailer prices

From ₹20,193 INR
As of November 6, 2026
Save ₹96,268 INR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: ₹1,16,461 INR at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG650418911 or 650418911. Listed at 14 retailers as of November 6, 2026, with prices from ₹20,193 to ₹1,16,461, a ₹96,268 spread on the same certified stone. Brilliant Earth lists it at ₹1,16,461. 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

1.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650418911
Dimensions6.97 × 8.10 × 4.63 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.97 mm8.10 mm1.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650418911
Side View
Table 56.0%Crown 33.1°Girdle: MED-STKPavilion 39°Culet: NoneDepth 57.2%

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: ₹1,16,461 INR|Low: ₹20,005 INR|High: ₹1,87,840 INR|Avg: ₹59,851 INR|-38.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4₹20,193 INR
Retailer 10₹22,635 INR
Retailer 12₹23,386 INR
Retailer 7₹25,077 INR
Retailer 11₹33,811 INR
Retailer 2₹45,927 INR
Retailer 3₹46,678 INR
Retailer 8₹48,932 INR
Retailer 9₹80,489 INR
Retailer 5₹80,771 INR
Retailer 6₹1,00,307 INR
Brilliant Earth₹1,16,461 INR

45 data points across 12 retailers

14 retailers₹20,193 INR to ₹1,16,461 INR

A
Cheapest Retailer
-
₹20,193 INR
A
Retailer 2
-
₹22,635 INR
View
Final sale: no returns
A
Retailer 3
-
₹23,386 INR
View
A
Retailer 4
-
₹25,077 INR
View
Retailer 5
-
₹25,828 INR
View
Price last confirmed 12 days ago
B+
Retailer 6
-
₹33,811 INR
View
B+
Retailer 7
-
₹45,927 INR
View
B+
Retailer 8
-
₹46,678 INR
View
B+
Retailer 9
-
₹48,932 INR
View
B+
Retailer 10
-
₹65,650 INR
View
B
Retailer 11
-
₹80,489 INR
View
B
Retailer 12
-
₹80,771 INR
View
B
Retailer 13
-
₹1,00,307 INR
View
Most Expensive
B
Brilliant Earth
12166023A · Nov 6
₹1,16,461 INR
$1,240 USD
View
13 more retailers have this diamond
Prices start from ₹20,193 INRSave up to ₹96,268 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
1.51ct Heart
₹20,193 INR