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Cushion|Lab Grown|IGI

1.51ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG816683635

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816683635

Diamond specifications and retailer prices

From ₹37,505 INR
$395 USD
As of October 30, 2026
Save ₹1,94,173 INR (84%) 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 LG816683635 or 816683635. Listed at 19 retailers as of October 30, 2026, with prices from ₹37,505 to ₹2,31,678, a ₹1,94,173 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
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816683635
Dimensions8.09 × 5.81 × 3.84 mm
L/W Ratio1.39
Girdle conditionFaceted
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
8.09 mm5.81 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816683635
Side View
Table 57.0%Crown 32.7°Girdle: STK-THKPavilion 33.9°Culet: NoneDepth 66.1%

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: ₹2,31,678 INR|Low: ₹37,505 INR|High: ₹3,30,426 INR|Avg: ₹1,12,011 INR|-29.9%
Brilliant Earth
Retailer 2
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Retailer 19
October 30, 2026
Retailer 5₹37,505 INR
Retailer 6₹41,588 INR
Retailer 12₹42,913 INR
Retailer 17₹48,899 INR
Retailer 11₹65,041 INR
Retailer 8₹65,705 INR
Retailer 14₹66,399 INR
Retailer 16₹71,404 INR
Retailer 13₹74,766 INR
Retailer 15₹96,464 INR
Retailer 7₹98,178 INR
Retailer 9₹1,37,512 INR
Retailer 10₹1,47,320 INR
Retailer 3₹1,54,016 INR
Retailer 2₹1,56,952 INR
Retailer 19₹1,59,672 INR
Retailer 4₹1,63,274 INR
Retailer 18₹2,22,183 INR
Brilliant Earth₹2,31,678 INR

39 data points across 19 retailers

19 retailers₹37,505 INR to ₹2,31,678 INR

A
Cheapest Retailer
-
₹37,505 INR
$395 USD
Final sale: no returns
A
Retailer 2
-
₹41,588 INR
$438 USD
View
A
Retailer 3
-
₹42,913 INR
£356 GBP
View
A
Retailer 4
-
₹48,899 INR
$515 USD
View
A
Retailer 5
-
₹65,041 INR
$685 USD
View
A
Retailer 6
-
₹65,705 INR
$692 USD
View
A
Retailer 7
-
₹66,399 INR
€666 EUR
View
A
Retailer 8
-
₹71,404 INR
ZAR 12,149 ZAR
View
A
Retailer 9
-
₹74,766 INR
£620 GBP
View
A
Retailer 10
-
₹96,464 INR
A$1,563 AUD
View
A
Retailer 11
-
₹98,178 INR
$1,034 USD
View
A
Retailer 12
-
₹1,37,512 INR
$1,448 USD
View
Retailer 13
-
₹1,47,320 INR
A$2,387 AUD
View
Price last confirmed 23 days ago
B+
Retailer 14
-
₹1,54,016 INR
SGD 2,192 SGD
View
B+
Retailer 15
-
₹1,56,952 INR
$1,653 USD
View
B+
Retailer 16
-
₹1,59,672 INR
$1,682 USD
View
B+
Retailer 17
-
₹1,63,274 INR
£1,354 GBP
View
Retailer 18
-
₹2,22,183 INR
$2,340 USD
View
Price last confirmed 10 days ago
Most Expensive
B+
Brilliant Earth
22183635A · Oct 30
₹2,31,678 INR
$2,440 USD
View
18 more retailers have this diamond
Prices start from ₹37,505 INRSave up to ₹1,94,173 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
₹37,505 INR