Radiant|Lab Grown|IGI

1.50ct I SI1 Radiant Lab Grown Diamond

ID • I/SI1 • IGI LG512224123

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

Certificate IGI LG512224123

Diamond specifications and retailer prices

From ₹80,708 INR
$850 USD
As of October 31, 2026
Save ₹3,77,883 INR (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: ₹4,58,590 INR at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512224123 or 512224123. Listed at 11 retailers as of October 31, 2026, with prices from ₹80,708 to ₹4,58,590, a ₹3,77,883 spread on the same certified stone. MOH London lists it at ₹4,58,590. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512224123
Dimensions8.32 × 5.59 × 3.63 mm
L/W Ratio1.49
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
8.32 mm5.59 mm1.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512224123
Side View
Table 67.5%Crown 47.1°Girdle: STK-THKPavilion 32.4°Culet: NoneDepth 64.9%

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: Oct 31
Current: ₹4,58,590 INR|Low: ₹80,708 INR|High: ₹4,64,740 INR|Avg: ₹2,04,916 INR|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 5₹80,708 INR
Retailer 6₹1,23,055 INR
Retailer 10₹1,33,880 INR
Retailer 7₹1,42,710 INR
Retailer 11₹1,42,710 INR
Retailer 12₹1,59,041 INR
Retailer 4₹1,96,736 INR
Retailer 2₹2,03,787 INR
Retailer 8₹2,25,886 INR
Retailer 3₹2,66,050 INR
Retailer 9₹2,67,474 INR
MOH London₹4,58,590 INR

22 data points across 12 retailers

11 retailers₹80,708 INR to ₹4,58,590 INR

A
Cheapest Retailer
-
₹80,708 INR
$850 USD
B+
Retailer 2
-
₹1,23,055 INR
$1,296 USD
View
B+
Retailer 3
-
₹1,33,880 INR
$1,410 USD
View
Retailer 4
-
₹1,42,710 INR
$1,503 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
₹1,42,710 INR
$1,503 USD
View
B+
Retailer 6
-
₹1,59,041 INR
$1,675 USD
View
B+
Retailer 7
-
₹2,03,787 INR
£1,690 GBP
View
B
Retailer 8
-
₹2,25,886 INR
$2,379 USD
View
B
Retailer 9
-
₹2,66,050 INR
$2,802 USD
View
B
Retailer 10
-
₹2,67,474 INR
$2,817 USD
View
Most Expensive
B
MOH London
LG512224123 · Nov 1
₹4,58,590 INR
£3,803 GBP
View
10 more retailers have this diamond
Prices start from ₹80,708 INRSave up to ₹3,77,883 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 Radiant
₹80,708 INR