Radiant|Lab Grown|IGI

1.51ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG771614878

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

Certificate IGI LG771614878

Diamond specifications and retailer prices

From ₹27,536 INR
$290 USD
As of October 30, 2026
Save ₹2,11,739 INR (88%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: ₹2,39,274 INR at Brilliant Earth · As of October 31, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG771614878 or 771614878. Listed at 26 retailers as of October 30, 2026, with prices from ₹27,536 to ₹2,39,274, a ₹2,11,739 spread on the same certified stone. Brilliant Earth lists it at ₹2,39,274. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771614878
Dimensions8.08 × 5.57 × 3.86 mm
L/W Ratio1.45
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
8.08 mm5.57 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771614878
Side View
Table 65.0%Crown 42.8°Girdle: Slightly ThickPavilion 34°Culet: NoneDepth 69.3%

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 30
Current: ₹2,39,274 INR|Low: ₹27,536 INR|High: ₹3,30,426 INR|Avg: ₹1,00,460 INR|-27.6%
Brilliant Earth
Retailer 2
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Retailer 25
November 1, 2026
Retailer 7₹27,536 INR
Retailer 8₹30,669 INR
Retailer 25₹31,903 INR
Retailer 14₹34,087 INR
Retailer 24₹34,087 INR
Retailer 2₹35,130 INR
Retailer 17₹37,676 INR
Retailer 23₹48,899 INR
Retailer 13₹55,631 INR
Retailer 12₹56,115 INR
Retailer 22₹58,627 INR
Retailer 6₹58,774 INR
Retailer 19₹60,351 INR
Retailer 21₹79,307 INR
Retailer 3₹96,089 INR
Retailer 5₹1,04,825 INR
Retailer 18₹1,09,329 INR
Retailer 4₹1,09,667 INR
Retailer 11₹1,14,311 INR
Retailer 16₹1,31,221 INR
Retailer 10₹1,33,127 INR
Retailer 20₹1,37,469 INR
Retailer 15₹1,40,539 INR
Retailer 9₹2,16,011 INR
Brilliant Earth₹2,39,274 INR

33 data points across 25 retailers

26 retailers₹27,536 INR to ₹2,39,274 INR

A
Cheapest Retailer
-
₹27,536 INR
$290 USD
A
Retailer 2
-
₹30,669 INR
$323 USD
View
Final sale: no returns
A
Retailer 3
-
₹31,903 INR
$336 USD
View
Retailer 4
-
₹34,087 INR
$359 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
₹34,087 INR
$359 USD
View
A
Retailer 6
-
₹35,130 INR
£291 GBP
View
A
Retailer 7
-
₹37,676 INR
HK$3,100 HKD
View
A
Retailer 8
-
₹48,899 INR
$515 USD
View
A
Retailer 9
-
₹55,631 INR
€558 EUR
View
A
Retailer 10
-
₹56,115 INR
$591 USD
View
A
Retailer 11
-
₹58,627 INR
ZAR 9,975 ZAR
View
A
Retailer 12
-
₹58,774 INR
$619 USD
View
A
Retailer 13
-
₹60,351 INR
£500 GBP
View
A
Retailer 14
-
₹79,307 INR
A$1,285 AUD
View
B+
Retailer 15
-
₹96,089 INR
$1,012 USD
View
B+
Retailer 16
-
₹1,04,825 INR
$1,104 USD
View
B+
Retailer 17
-
₹1,09,329 INR
SGD 1,556 SGD
View
B+
Retailer 18
-
₹1,09,667 INR
$1,155 USD
View
B+
Retailer 19
-
₹1,14,311 INR
$1,204 USD
View
B+
Retailer 20
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₹1,22,296 INR
$1,288 USD
View
B+
Retailer 21
-
₹1,31,221 INR
$1,382 USD
View
B+
Retailer 22
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₹1,33,127 INR
£1,104 GBP
View
B+
Retailer 23
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₹1,37,469 INR
£1,140 GBP
View
B+
Retailer 24
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₹1,40,539 INR
$1,480 USD
View
Retailer 25
-
₹2,16,011 INR
$2,275 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
19064245A · Oct 31
₹2,39,274 INR
$2,520 USD
View
25 more retailers have this diamond
Prices start from ₹27,536 INRSave up to ₹2,11,739 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
₹27,536 INR