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Cushion|Lab Grown|IGI

1.77ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG731533573

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG731533573

Diamond specifications and retailer prices

From ₹40,639 INR
$428 USD
As of October 30, 2026
Save ₹3,15,424 INR (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: ₹3,56,063 INR at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.77ct lab-grown cushion diamond

This 1.77ct 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 LG731533573 or 731533573. Listed at 22 retailers as of October 24, 2026, with prices from ₹40,639 to ₹3,56,063, a ₹3,15,424 spread on the same certified stone. Brilliant Earth lists it at ₹3,56,063. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731533573
Dimensions8.25 × 6.61 × 4.38 mm
L/W Ratio1.25
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
8.25 mm6.61 mm1.77 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731533573
Side View
Table 60.0%Crown 29.8°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 66.3%

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: ₹3,15,234 INR|Low: ₹40,639 INR|High: ₹3,67,457 INR|Avg: ₹1,44,325 INR|-11.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 6₹40,639 INR
Retailer 15₹52,893 INR
Retailer 5₹61,983 INR
Retailer 13₹65,041 INR
Retailer 18₹69,408 INR
Retailer 14₹71,877 INR
Retailer 12₹81,520 INR
Retailer 17₹85,698 INR
Retailer 2₹90,127 INR
Retailer 4₹1,01,881 INR
Retailer 16₹1,16,152 INR
Retailer 10₹1,46,151 INR
Retailer 11₹1,63,463 INR
Retailer 7₹1,68,234 INR
Retailer 3₹1,69,106 INR
Retailer 9₹1,84,136 INR
Retailer 8₹2,72,981 INR
Brilliant Earth₹3,15,234 INR
Retailer 19₹3,23,780 INR

27 data points across 19 retailers

22 retailers₹40,639 INR to ₹3,56,063 INR

A
Cheapest Retailer
-
₹40,639 INR
$428 USD
Final sale: no returns
A
Retailer 2
-
₹52,893 INR
£439 GBP
View
A
Retailer 3
-
₹61,983 INR
HK$5,100 HKD
View
A
Retailer 4
-
₹65,041 INR
$685 USD
View
A
Retailer 5
-
₹69,408 INR
$731 USD
View
A
Retailer 6
-
₹71,877 INR
$757 USD
View
A
Retailer 7
-
₹81,520 INR
£676 GBP
View
A
Retailer 8
-
₹85,698 INR
ZAR 14,581 ZAR
View
A
Retailer 9
-
₹90,127 INR
€904 EUR
View
A
Retailer 10
-
₹1,01,881 INR
$1,073 USD
View
A
Retailer 11
-
₹1,16,152 INR
A$1,882 AUD
View
Retailer 12
-
₹1,46,151 INR
£1,212 GBP
View
Price last confirmed 10 days ago
B+
Retailer 13
-
₹1,63,463 INR
$1,722 USD
View
B+
Retailer 14
-
₹1,68,234 INR
$1,772 USD
View
B+
Retailer 15
-
₹1,69,106 INR
$1,781 USD
View
Retailer 16
-
₹1,84,136 INR
£1,527 GBP
View
Price last confirmed 10 days ago
Retailer 17
-
₹2,60,638 INR
$2,745 USD
View
Price last confirmed 26 days ago
Retailer 18
-
₹2,72,981 INR
$2,875 USD
View
Price last confirmed 10 days ago
B
Retailer 19
-
₹3,03,878 INR
£2,520 GBP
View
B
Retailer 20
-
₹3,15,234 INR
$3,320 USD
View
B
Retailer 21
-
₹3,23,780 INR
$3,410 USD
View
Most Expensive
B
Brilliant Earth
15616671A · Oct 24
₹3,56,063 INR
$3,750 USD
View
21 more retailers have this diamond
Prices start from ₹40,639 INRSave up to ₹3,15,424 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
1.77ct Cushion
₹40,639 INR