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Cushion|Lab Grown|IGI

1.51ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG770641066

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG770641066

Diamond specifications and retailer prices

From ₹39,594 INR
$417 USD
As of October 31, 2026
Save ₹1,92,084 INR (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: ₹2,31,678 INR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion 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 LG770641066 or 770641066. Listed at 19 retailers as of October 30, 2026, with prices from ₹39,594 to ₹2,31,678, a ₹1,92,084 spread on the same certified stone. Brilliant Earth lists it at ₹2,31,678. 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
SymmetryVery Good
FluorescenceNone
Crown angle38.6°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770641066
Dimensions7.11 × 6.87 × 4.30 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm6.87 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG770641066
Side View
Table 56.0%Crown 38.6°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 62.6%

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 31
Current: ₹2,31,678 INR|Low: ₹39,214 INR|High: ₹3,30,426 INR|Avg: ₹1,17,719 INR|-29.9%
Brilliant Earth
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 2₹39,594 INR
Retailer 4₹43,962 INR
Retailer 11₹45,395 INR
Retailer 15₹54,596 INR
Retailer 3₹67,984 INR
Retailer 6₹70,168 INR
Retailer 14₹75,537 INR
Retailer 10₹79,427 INR
Retailer 12₹80,755 INR
Retailer 17₹98,938 INR
Retailer 5₹1,10,142 INR
Retailer 8₹1,45,010 INR
Retailer 9₹1,60,845 INR
Retailer 7₹1,65,855 INR
Retailer 13₹1,72,680 INR
Retailer 16₹2,22,658 INR
Brilliant Earth₹2,31,678 INR

35 data points across 17 retailers

19 retailers₹39,594 INR to ₹2,31,678 INR

A
Cheapest Retailer
-
₹39,594 INR
$417 USD
Final sale: no returns
A
Retailer 2
-
₹43,962 INR
$463 USD
View
A
Retailer 3
-
₹45,395 INR
£376 GBP
View
A
Retailer 4
-
₹54,596 INR
$575 USD
View
A
Retailer 5
-
₹67,984 INR
$716 USD
View
A
Retailer 6
-
₹70,168 INR
$739 USD
View
A
Retailer 7
-
₹75,537 INR
ZAR 12,852 ZAR
View
A
Retailer 8
-
₹79,427 INR
£659 GBP
View
A
Retailer 9
-
₹80,755 INR
€810 EUR
View
A
Retailer 10
-
₹98,938 INR
$1,042 USD
View
A
Retailer 11
-
₹1,10,142 INR
$1,160 USD
View
B+
Retailer 12
-
₹1,45,010 INR
$1,527 USD
View
B+
Retailer 13
-
₹1,48,122 INR
$1,560 USD
View
B+
Retailer 14
-
₹1,60,845 INR
$1,694 USD
View
B+
Retailer 15
-
₹1,64,548 INR
$1,733 USD
View
B+
Retailer 16
-
₹1,65,855 INR
$1,747 USD
View
B+
Retailer 17
-
₹1,72,680 INR
£1,432 GBP
View
Retailer 18
-
₹2,22,658 INR
$2,345 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
20258573A · Oct 30
₹2,31,678 INR
$2,440 USD
View
18 more retailers have this diamond
Prices start from ₹39,594 INRSave up to ₹1,92,084 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 Cushion
₹39,594 INR