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Cushion|Lab Grown|IGI

1.51ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG728533556

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

Certificate IGI LG728533556

Diamond specifications and retailer prices

From ₹49,068 INR
$517 USD
As of November 3, 2026
Save ₹2,34,712 INR (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: ₹2,83,781 INR at Brilliant Earth · As of November 3, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG728533556 or 728533556. Listed at 19 retailers as of November 3, 2026, with prices from ₹49,068 to ₹2,83,781, a ₹2,34,712 spread on the same certified stone. Brilliant Earth lists it at ₹2,83,781. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728533556
Dimensions6.54 × 6.41 × 4.14 mm
L/W Ratio1.02
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
6.54 mm6.41 mm1.51 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728533556
Side View
Table 59.0%Crown 34°Girdle: MED-THKPavilion 33.6°Culet: NoneDepth 64.6%

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: Nov 3
Current: ₹2,83,781 INR|Low: ₹49,068 INR|High: ₹4,16,655 INR|Avg: ₹1,50,354 INR|-31.9%
Brilliant Earth
Retailer 2
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Retailer 8
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Retailer 12
Retailer 13
Retailer 14
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Retailer 18
November 3, 2026
Retailer 14₹49,068 INR
Retailer 8₹59,603 INR
Retailer 7₹68,810 INR
Retailer 17₹72,891 INR
Retailer 3₹82,515 INR
Retailer 9₹87,792 INR
Retailer 2₹90,068 INR
Retailer 12₹93,746 INR
Retailer 13₹1,01,174 INR
Retailer 11₹1,27,084 INR
Retailer 6₹1,38,929 INR
Retailer 4₹1,67,991 INR
Retailer 15₹1,77,652 INR
Retailer 18₹1,92,597 INR
Retailer 10₹1,96,714 INR
Retailer 16₹1,99,728 INR
Retailer 5₹2,30,048 INR
Brilliant Earth₹2,83,781 INR

38 data points across 18 retailers

19 retailers₹49,068 INR to ₹2,83,781 INR

A
Cheapest Retailer
-
₹49,068 INR
$517 USD
Final sale: no returns
Retailer 2
-
₹59,603 INR
$628 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
₹68,810 INR
$725 USD
View
A
Retailer 4
-
₹72,891 INR
$768 USD
View
A
Retailer 5
-
₹82,515 INR
€828 EUR
View
A
Retailer 6
-
₹87,792 INR
$925 USD
View
A
Retailer 7
-
₹90,068 INR
£747 GBP
View
A
Retailer 8
-
₹93,746 INR
ZAR 15,957 ZAR
View
A
Retailer 9
-
₹1,01,174 INR
$1,066 USD
View
A
Retailer 10
-
₹1,27,084 INR
$1,339 USD
View
B+
Retailer 11
-
₹1,38,929 INR
A$2,252 AUD
View
B+
Retailer 12
-
₹1,67,991 INR
$1,770 USD
View
B+
Retailer 13
-
₹1,77,652 INR
$1,872 USD
View
B+
Retailer 14
-
₹1,92,597 INR
$2,029 USD
View
Retailer 15
-
₹1,96,714 INR
£1,632 GBP
View
Price last confirmed 23 days ago
B+
Retailer 16
-
₹1,99,728 INR
£1,657 GBP
View
B+
Retailer 17
-
₹2,30,048 INR
A$3,729 AUD
View
B
Retailer 18
-
₹2,70,000 INR
£2,240 GBP
View
Most Expensive
B
Brilliant Earth
15509665A · Nov 3
₹2,83,781 INR
$2,990 USD
View
18 more retailers have this diamond
Prices start from ₹49,068 INRSave up to ₹2,34,712 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
₹49,068 INR