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Radiant|Lab Grown|IGI

5.21ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784644229

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

Certificate IGI LG784644229

Diamond specifications and retailer prices

From ₹8,71,261 INR
$9,176 USD
As of October 30, 2026
Save ₹19,44,842 INR (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: ₹28,16,103 INR at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 5.21ct lab-grown radiant diamond

This 5.21ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784644229 or 784644229. Listed at 15 retailers as of October 30, 2026, with prices from ₹8,71,261 to ₹28,16,103, a ₹19,44,842 spread on the same certified stone. Frank Darling lists it at ₹28,16,103. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.21
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644229
Dimensions12.05 × 8.70 × 5.77 mm
L/W Ratio1.39
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
12.05 mm8.70 mm5.21 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644229
Side View
Table 63.0%Crown 40.1°Girdle: ThickPavilion 34.5°Culet: NoneDepth 66.3%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 30
Current: ₹28,16,103 INR|Low: ₹8,71,261 INR|High: ₹58,83,102 INR|Avg: ₹17,20,853 INR|-12.5%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 11₹8,71,261 INR
Retailer 13₹8,76,389 INR
Retailer 6₹8,87,783 INR
Retailer 5₹9,06,108 INR
Retailer 3₹10,00,298 INR
Retailer 4₹10,45,494 INR
Retailer 14₹11,06,357 INR
Retailer 10₹11,61,239 INR
Retailer 12₹11,68,835 INR
Retailer 7₹11,75,766 INR
Retailer 8₹16,65,423 INR
Retailer 9₹18,01,683 INR
Retailer 2₹19,72,515 INR
Frank Darling₹28,16,103 INR
Retailer 15₹54,36,837 INR

39 data points across 15 retailers

15 retailers₹8,71,261 INR to ₹28,16,103 INR

A+
Cheapest Retailer
-
₹8,71,261 INR
$9,176 USD
A
Retailer 2
-
₹8,76,389 INR
$9,230 USD
View
A
Retailer 3
-
₹8,87,783 INR
$9,350 USD
View
A
Retailer 4
-
₹9,06,108 INR
$9,543 USD
View
A
Retailer 5
-
₹10,00,298 INR
$10,535 USD
View
A
Retailer 6
-
₹10,45,494 INR
$11,011 USD
View
A
Retailer 7
-
₹11,06,357 INR
$11,652 USD
View
A
Retailer 8
-
₹11,61,239 INR
$12,230 USD
View
A
Retailer 9
-
₹11,68,835 INR
$12,310 USD
View
A
Retailer 10
-
₹11,75,766 INR
$12,383 USD
View
Final sale: no returns
A
Retailer 11
-
₹16,65,423 INR
$17,540 USD
View
A
Retailer 12
-
₹18,01,683 INR
£14,941 GBP
View
B+
Retailer 13
-
₹19,72,515 INR
€19,785 EUR
View
Most Expensive
B+
Frank Darling
P83F-17EL · Oct 31
₹28,16,103 INR
$29,659 USD
View
13 more retailers have this diamond
Prices start from ₹8,71,261 INRSave up to ₹19,44,842 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+
5.21ct Radiant
₹8,71,261 INR