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Radiant|Lab Grown|IGI

1.51ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG818669625

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

Certificate IGI LG818669625

Diamond specifications and retailer prices

From ₹41,728 INR
$438 USD
As of October 27, 2026
Save ₹3,22,203 INR (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: ₹3,63,931 INR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818669625 or 818669625. Listed at 22 retailers as of October 27, 2026, with prices from ₹41,728 to ₹3,63,931, a ₹3,22,203 spread on the same certified stone. Brilliant Earth lists it at ₹3,63,931. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818669625
Dimensions7.78 × 5.75 × 3.93 mm
L/W Ratio1.35
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
7.78 mm5.75 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818669625
Side View
Table 61.0%Crown 42.8°Girdle: MediumPavilion 36.8°Culet: NoneDepth 68.3%

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: Oct 27
Current: ₹3,63,931 INR|Low: ₹41,728 INR|High: ₹3,63,931 INR|Avg: ₹1,33,677 INR
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 16
Retailer 17
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Retailer 22
October 30, 2026
Retailer 11₹41,728 INR
Retailer 22₹46,778 INR
Retailer 19₹48,874 INR
Retailer 10₹51,732 INR
Retailer 20₹51,732 INR
Retailer 2₹53,470 INR
Retailer 18₹78,121 INR
Retailer 4₹81,456 INR
Retailer 3₹82,528 INR
Retailer 13₹85,522 INR
Retailer 17₹88,977 INR
Retailer 6₹1,01,367 INR
Retailer 5₹1,24,899 INR
Retailer 7₹1,50,999 INR
Retailer 9₹1,66,437 INR
Retailer 8₹1,69,629 INR
Retailer 21₹1,80,060 INR
Retailer 15₹1,81,184 INR
Retailer 14₹1,87,015 INR
Retailer 16₹1,91,290 INR
Retailer 12₹3,25,823 INR
Brilliant Earth₹3,63,931 INR

23 data points across 22 retailers

22 retailers₹41,728 INR to ₹3,63,931 INR

A
Cheapest Retailer
-
₹41,728 INR
$438 USD
A
Retailer 2
-
₹46,778 INR
$491 USD
View
A
Retailer 3
-
₹48,874 INR
$513 USD
View
Final sale: no returns
A
Retailer 4
-
₹51,732 INR
$543 USD
View
A
Retailer 5
-
₹51,732 INR
$543 USD
View
A
Retailer 6
-
₹53,470 INR
£442 GBP
View
A
Retailer 7
-
₹78,121 INR
$820 USD
View
A
Retailer 8
-
₹81,456 INR
$855 USD
View
A
Retailer 9
-
₹82,528 INR
€825 EUR
View
A
Retailer 10
-
₹85,522 INR
£707 GBP
View
A
Retailer 11
-
₹88,977 INR
ZAR 15,088 ZAR
View
A
Retailer 12
-
₹1,01,367 INR
$1,064 USD
View
B+
Retailer 13
-
₹1,24,899 INR
$1,311 USD
View
B+
Retailer 14
-
₹1,50,999 INR
£1,248 GBP
View
B+
Retailer 15
-
₹1,66,437 INR
$1,747 USD
View
B+
Retailer 16
-
₹1,69,629 INR
$1,781 USD
View
B+
Retailer 17
-
₹1,80,060 INR
$1,890 USD
View
B+
Retailer 18
-
₹1,81,184 INR
SGD 2,570 SGD
View
B
Retailer 19
-
₹1,87,015 INR
$1,963 USD
View
B+
Retailer 20
-
₹1,91,290 INR
£1,581 GBP
View
Retailer 21
-
₹3,25,823 INR
$3,420 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21418495A · Oct 29
₹3,63,931 INR
$3,820 USD
View
21 more retailers have this diamond
Prices start from ₹41,728 INRSave up to ₹3,22,203 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
1.51ct Radiant
₹41,728 INR