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Radiant|Lab Grown|IGI

1.64ct F IF Radiant Lab Grown Diamond

EX • F/IF • IGI LG729575026

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

Certificate IGI LG729575026

Diamond specifications and retailer prices

From ₹45,900 INR
As of November 2, 2026
Save ₹1,94,485 INR (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: ₹2,40,386 INR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.64ct lab-grown radiant diamond

This 1.64ct 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 LG729575026 or 729575026. Listed at 7 retailers as of November 2, 2026, with prices from ₹45,900 to ₹2,40,386, a ₹1,94,485 spread on the same certified stone. Brilliant Earth lists it at ₹2,40,386. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729575026
Dimensions8.30 × 5.84 × 3.91 mm
L/W Ratio1.42
Culet sizePointed
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
8.30 mm5.84 mm1.64 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729575026
Side View
Table 63.0%Crown 42°Girdle: Slightly ThickPavilion 34.9°Culet: NoneDepth 67.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: ₹2,40,386 INR|Low: ₹45,806 INR|High: ₹3,07,580 INR|Avg: ₹1,41,350 INR|-21.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4₹45,900 INR
Retailer 2₹52,431 INR
Retailer 5₹96,344 INR
Retailer 3₹1,11,864 INR
Retailer 6₹2,19,565 INR
Brilliant Earth₹2,40,386 INR

43 data points across 6 retailers

7 retailers₹45,900 INR to ₹2,40,386 INR

A
Cheapest Retailer
-
₹45,900 INR
A
Retailer 2
-
₹52,431 INR
View
B+
Retailer 3
-
₹96,344 INR
View
B+
Retailer 4
-
₹1,10,350 INR
View
B+
Retailer 5
-
₹1,11,864 INR
View
Retailer 6
-
₹2,19,565 INR
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
16021313A · Nov 4
₹2,40,386 INR
$2,540 USD
View
6 more retailers have this diamond
Prices start from ₹45,900 INRSave up to ₹1,94,485 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
1.64ct Radiant
₹45,900 INR