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Radiant|Lab Grown|IGI

1.23ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG514255275

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

Certificate IGI LG514255275

Diamond specifications and retailer prices

From ₹62,926 INR
As of November 6, 2026
Save ₹66,589 INR (51%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: ₹2,24,657 INR at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG514255275 or 514255275. Listed at 13 retailers as of November 4, 2026, with a 106% 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

1.23
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514255275
Dimensions7.25 × 5.53 × 3.53 mm
L/W Ratio1.31
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
7.25 mm5.53 mm1.23 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514255275
Side View
Table 61.5%Crown 41.2°Girdle: Slightly ThickPavilion 32.3°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: ₹1,26,604 INR|Low: ₹62,926 INR|High: ₹3,17,919 INR|Avg: ₹1,30,723 INR|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3₹62,926 INR
Retailer 6₹68,843 INR
Retailer 9₹77,014 INR
Retailer 7₹79,926 INR
Retailer 4₹96,738 INR
Retailer 1₹1,26,604 INR
Retailer 8₹1,29,516 INR
Retailer 5₹1,96,856 INR
Retailer 2₹3,12,941 INR

42 data points across 9 retailers

13 retailers₹62,926 INR to ₹1,29,516 INR

B+
Cheapest Retailer
-
₹62,926 INR
B
Retailer 2
-
₹68,843 INR
View
B
Retailer 3
-
₹74,948 INR
View
B
Retailer 4
-
₹77,014 INR
View
Final sale: no returns
B
Retailer 5
-
₹79,926 INR
View
Retailer 6
-
₹79,926 INR
View
Price last confirmed 26 days ago
B
Retailer 7
-
₹96,738 INR
View
B
Retailer 8
-
₹1,26,604 INR
View
B
Retailer 9
-
₹1,29,516 INR
View
Retailer 10
-
₹1,96,856 INR
View
Price under review
Most Expensive
NZ Jewellers
608f19aa-4b90-4042-a34e-5575f5ee5aa6 · Nov 6
₹2,24,657 INR
$2,392 USD
View
Price under review
10 more retailers have this diamond
Prices start from ₹62,926 INRSave up to ₹66,589 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.

B+
1.23ct Radiant
₹62,926 INR