Radiant|Lab Grown|IGI

0.51ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG539229276

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

Certificate IGI LG539229276

Diamond specifications and retailer prices

From ₹11,769 INR
$124 USD
As of November 2, 2026
Save ₹78,610 INR (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: ₹1,22,344 INR at MOH London · As of October 26, 2026
View at MOH London

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG539229276 or 539229276. Listed at 16 retailers as of November 1, 2026, with a 668% 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

0.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539229276
Dimensions5.80 × 3.97 × 2.72 mm
L/W Ratio1.46
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
5.80 mm3.97 mm0.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539229276
Side View
Table 65.5%Crown 37.6°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 68.5%

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 2
Current: ₹1,22,344 INR|Low: ₹11,294 INR|High: ₹1,23,670 INR|Avg: ₹34,660 INR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 9₹11,769 INR
Retailer 5₹13,192 INR
Retailer 13₹13,667 INR
Retailer 3₹15,565 INR
Retailer 10₹15,565 INR
Retailer 6₹26,575 INR
Retailer 12₹28,188 INR
Retailer 2₹30,441 INR
Retailer 7₹35,335 INR
Retailer 4₹36,256 INR
Retailer 11₹47,075 INR
Retailer 8₹49,733 INR
MOH London₹1,22,344 INR

43 data points across 13 retailers

16 retailers₹11,769 INR to ₹90,379 INR

A
Cheapest Retailer
-
₹11,769 INR
$124 USD
A
Retailer 2
-
₹13,192 INR
$139 USD
View
Final sale: no returns
A
Retailer 3
-
₹13,667 INR
$144 USD
View
A
Retailer 4
-
₹15,565 INR
$164 USD
View
Retailer 5
-
₹15,565 INR
$164 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
₹26,575 INR
$280 USD
View
B+
Retailer 7
-
₹28,188 INR
$297 USD
View
B+
Retailer 8
-
₹30,441 INR
£253 GBP
View
B+
Retailer 9
-
₹35,231 INR
HK$2,900 HKD
View
B+
Retailer 10
-
₹35,335 INR
£293 GBP
View
B+
Retailer 11
-
₹36,256 INR
$382 USD
View
B
Retailer 12
-
₹47,075 INR
$496 USD
View
B
Retailer 13
-
₹49,733 INR
$524 USD
View
B
Retailer 14
-
₹52,430 INR
$552 USD
View
B
Retailer 15
-
₹90,379 INR
$952 USD
View
Most Expensive
MOH London
LG539229276 · Oct 26
₹1,22,344 INR
£1,015 GBP
View
Price under review
15 more retailers have this diamond
Prices start from ₹11,769 INRSave up to ₹78,610 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
0.51ct Radiant
₹11,769 INR