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Radiant|Lab Grown|IGI

1.51ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1

Diamond specifications and retailer prices

From ₹45,457 INR
As of November 6, 2026
Save ₹1,35,714 INR (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: ₹1,81,172 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 5 retailers as of November 6, 2026, with prices from ₹45,457 to ₹1,81,172, a ₹1,35,714 spread on the same certified stone. NZ Jewellers lists it at ₹1,81,172. 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
OriginLab Grown
Grading LabIGI
Dimensions7.28 × 5.64 × 3.87 mm
L/W Ratio1.29
Top View
7.28 mm5.64 mm1.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 66.5%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 68.6%

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: ₹1,81,172 INR|Low: ₹32,590 INR|High: ₹1,81,172 INR|Avg: ₹70,757 INR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7₹32,590 INR
Retailer 5₹45,457 INR
Retailer 4₹50,905 INR
Retailer 3₹56,352 INR
Retailer 2₹62,363 INR
Retailer 6₹1,05,096 INR
NZ Jewellers₹1,81,172 INR

39 data points across 7 retailers

5 retailers₹45,457 INR to ₹1,81,172 INR

A
Cheapest Retailer
-
₹45,457 INR
B+
Retailer 2
-
₹50,905 INR
View
B+
Retailer 3
-
₹56,352 INR
View
B+
Retailer 4
-
₹62,363 INR
View
Most Expensive
C
NZ Jewellers
6ee64d95-f7fd-4ec1-bf28-e54896464641 · Nov 6
₹1,81,172 INR
$1,929 USD
View
4 more retailers have this diamond
Prices start from ₹45,457 INRSave up to ₹1,35,714 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 Radiant
₹45,457 INR