CaratHunter
Plans
Radiant|Lab Grown|IGI

1.51ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG526283221

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

Certificate IGI LG526283221

Diamond specifications and retailer prices

From ₹1,18,339 INR
As of November 6, 2026
Save ₹1,81,266 INR (61%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: ₹3,17,544 INR at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526283221 or 526283221. Listed at 13 retailers as of November 4, 2026, with a 153% 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

1.51
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526283221
Dimensions7.62 × 5.68 × 3.91 mm
L/W Ratio1.34
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
7.62 mm5.68 mm1.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526283221
Side View
Table 65.0%Crown 42.7°Girdle: MED-STKPavilion 31.3°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: ₹2,36,960 INR|Low: ₹1,18,339 INR|High: ₹4,90,262 INR|Avg: ₹2,65,263 INR|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5₹1,18,339 INR
Retailer 4₹1,46,046 INR
Retailer 8₹1,63,421 INR
Retailer 6₹1,69,432 INR
Retailer 1₹2,36,960 INR
Retailer 7₹2,66,639 INR
Retailer 3₹2,99,605 INR
Retailer 9₹4,69,130 INR
Retailer 2₹4,82,467 INR

44 data points across 9 retailers

13 retailers₹1,18,339 INR to ₹2,99,605 INR

B
Cheapest Retailer
-
₹1,18,339 INR
B
Retailer 2
-
₹1,46,046 INR
View
B
Retailer 3
-
₹1,58,913 INR
View
B
Retailer 4
-
₹1,63,421 INR
View
Final sale: no returns
Retailer 5
-
₹1,69,432 INR
View
Price last confirmed 26 days ago
B
Retailer 6
-
₹1,69,432 INR
View
B
Retailer 7
-
₹1,85,492 INR
View
B
Retailer 8
-
₹2,36,960 INR
View
B
Retailer 9
-
₹2,66,639 INR
View
B
Retailer 10
-
₹2,99,605 INR
View
Most Expensive
NZ Jewellers
7096bae0-967e-4014-b772-96c110ba7f98 · Nov 6
₹3,17,544 INR
$3,381 USD
View
Price under review
10 more retailers have this diamond
Prices start from ₹1,18,339 INRSave up to ₹1,81,266 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
1.51ct Radiant
₹1,18,339 INR