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Radiant|Lab Grown|IGI

1.56ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG620429386

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

Certificate IGI LG620429386

Diamond specifications and retailer prices

From ₹25,647 INR
As of November 4, 2026
Save ₹2,12,845 INR (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: ₹2,67,831 INR at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.56ct lab-grown radiant diamond

This 1.56ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG620429386 or 620429386. Listed at 21 retailers as of November 4, 2026, with a 830% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.8°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620429386
Dimensions8.10 × 5.76 × 3.75 mm
L/W Ratio1.41
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.10 mm5.76 mm1.56 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620429386
Side View
Table 65.0%Crown 50.8°Girdle: MED-THKPavilion 33°Culet: NoneDepth 65.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: ₹2,38,493 INR|Low: ₹25,647 INR|High: ₹2,67,831 INR|Avg: ₹98,593 INR|-11.0%
Brilliant Earth
Retailer 2
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November 5, 2026
Retailer 12₹25,647 INR
Retailer 11₹29,717 INR
Retailer 21₹31,799 INR
Retailer 15₹35,963 INR
Retailer 3₹46,847 INR
Retailer 9₹52,714 INR
Retailer 19₹56,216 INR
Retailer 18₹60,380 INR
Retailer 2₹61,611 INR
Retailer 5₹63,787 INR
Retailer 7₹78,267 INR
Retailer 16₹82,242 INR
Retailer 20₹97,574 INR
Retailer 6₹1,12,716 INR
Retailer 17₹1,20,098 INR
Retailer 8₹1,28,237 INR
Retailer 10₹1,31,455 INR
Retailer 13₹1,40,067 INR
Retailer 14₹1,89,564 INR
Retailer 4₹2,27,136 INR
Brilliant Earth₹2,38,493 INR

11 data points across 21 retailers

21 retailers₹25,647 INR to ₹2,38,493 INR

A
Cheapest Retailer
-
₹25,647 INR
A
Retailer 2
-
₹29,717 INR
View
A
Retailer 3
-
₹31,799 INR
View
A
Retailer 4
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₹35,963 INR
View
A
Retailer 5
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₹46,847 INR
View
A
Retailer 6
-
₹52,714 INR
View
A
Retailer 7
-
₹56,216 INR
View
A
Retailer 8
-
₹60,380 INR
View
A
Retailer 9
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₹61,611 INR
View
A
Retailer 10
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₹63,787 INR
View
A
Retailer 11
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₹78,267 INR
View
B+
Retailer 12
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₹82,242 INR
View
B+
Retailer 13
-
₹97,574 INR
View
B+
Retailer 14
-
₹1,12,716 INR
View
B+
Retailer 15
-
₹1,20,098 INR
View
B+
Retailer 16
-
₹1,28,237 INR
View
B+
Retailer 17
-
₹1,31,455 INR
View
B+
Retailer 18
-
₹1,40,067 INR
View
B
Retailer 19
-
₹2,27,136 INR
View
B
Retailer 20
-
₹2,38,493 INR
View
Most Expensive
Brilliant Earth
13715575B · Oct 21
₹2,67,831 INR
$2,830 USD
View
Price last confirmed 14 days ago
20 more retailers have this diamond
Prices start from ₹25,647 INRSave up to ₹2,12,845 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
1.56ct Radiant
₹25,647 INR