Radiant|Lab Grown|IGI

1.64ct D FL Radiant Lab Grown Diamond

VG • D/FL

Diamond specifications and retailer prices

From ₹46,031 INR
$485 USD
As of November 2, 2026
Save ₹2,84,825 INR (86%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: ₹3,30,856 INR at Blue Nile · As of November 3, 2026
View at Blue Nile

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI. Listed at 5 retailers as of November 2, 2026, with prices from ₹46,031 to ₹3,30,856, a ₹2,84,825 spread on the same certified stone. Blue Nile lists it at ₹3,30,856. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.64
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.21 × 5.86 × 3.98 mm
L/W Ratio1.40
Top View
8.21 mm5.86 mm1.64 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 66.0%CrownGirdle: MediumPavilionCulet: NoneDepth 67.9%

Caratlytics Score

How it works →
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 2
Current: ₹3,30,856 INR|Low: ₹46,031 INR|High: ₹4,27,095 INR|Avg: ₹1,89,648 INR|+4.6%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2₹46,031 INR
Retailer 5₹51,536 INR
Retailer 3₹80,199 INR
Retailer 4₹1,65,713 INR
Blue Nile₹3,30,856 INR
Retailer 6₹4,27,095 INR

9 data points across 6 retailers

5 retailers₹46,031 INR to ₹3,30,856 INR

A
Cheapest Retailer
-
₹46,031 INR
$485 USD
A
Retailer 2
-
₹51,536 INR
$543 USD
View
A
Retailer 3
-
₹80,199 INR
$845 USD
View
B
Retailer 4
-
₹1,65,713 INR
$1,746 USD
View
Most Expensive
B
Blue Nile
30353645 · Nov 3
₹3,30,856 INR
$3,486 USD
View
4 more retailers have this diamond
Prices start from ₹46,031 INRSave up to ₹2,84,825 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
₹46,031 INR