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Cushion|Lab Grown|IGI

1.51ct E IF Cushion Lab Grown Diamond

VG • E/IF • IGI LG638415688

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG638415688

Diamond specifications and retailer prices

From ₹65,705 INR
$692 USD
As of October 29, 2026
Save ₹2,41,933 INR (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: ₹3,07,638 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 very-good cut grade and certified by IGI LG638415688 or 638415688. Listed at 18 retailers as of October 29, 2026, with prices from ₹65,705 to ₹3,07,638, a ₹2,41,933 spread on the same certified stone. Brilliant Earth lists it at ₹3,07,638. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638415688
Dimensions6.67 × 6.60 × 4.47 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.67 mm6.60 mm1.51 ctE / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638415688
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
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 29
Current: ₹3,07,638 INR|Low: ₹62,477 INR|High: ₹3,11,436 INR|Avg: ₹1,54,530 INR|-1.2%
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
October 30, 2026
Retailer 9₹65,705 INR
Retailer 3₹69,219 INR
Retailer 13₹79,758 INR
Retailer 4₹89,253 INR
Retailer 6₹92,576 INR
Retailer 7₹1,08,147 INR
Retailer 8₹1,16,247 INR
Retailer 11₹1,18,900 INR
Retailer 2₹1,61,144 INR
Retailer 14₹2,09,270 INR
Retailer 5₹2,23,702 INR
Retailer 12₹2,31,678 INR
Retailer 10₹3,01,949 INR
Brilliant Earth₹3,07,638 INR

41 data points across 14 retailers

18 retailers₹65,705 INR to ₹3,07,638 INR

A
Cheapest Retailer
-
₹65,705 INR
$692 USD
Final sale: no returns
Retailer 2
-
₹69,219 INR
$729 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
₹79,758 INR
$840 USD
View
A
Retailer 4
-
₹89,253 INR
$940 USD
View
A
Retailer 5
-
₹92,576 INR
$975 USD
View
A
Retailer 6
-
₹1,05,869 INR
$1,115 USD
View
A
Retailer 7
-
₹1,08,147 INR
£897 GBP
View
A
Retailer 8
-
₹1,16,247 INR
€1,166 EUR
View
A
Retailer 9
-
₹1,18,900 INR
ZAR 20,230 ZAR
View
B+
Retailer 10
-
₹1,61,144 INR
A$2,611 AUD
View
B+
Retailer 11
-
₹2,01,138 INR
£1,668 GBP
View
B
Retailer 12
-
₹2,09,270 INR
$2,204 USD
View
B
Retailer 13
-
₹2,20,759 INR
$2,325 USD
View
B
Retailer 14
-
₹2,23,922 INR
$2,358 USD
View
B
Retailer 15
-
₹2,28,260 INR
$2,404 USD
View
Retailer 16
-
₹2,31,678 INR
$2,440 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
₹3,01,949 INR
£2,504 GBP
View
Most Expensive
B
Brilliant Earth
12444282A · Oct 30
₹3,07,638 INR
$3,240 USD
View
17 more retailers have this diamond
Prices start from ₹65,705 INRSave up to ₹2,41,933 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
₹65,705 INR