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Cushion|Lab Grown|IGI

2.91ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG818613475

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

Certificate IGI LG818613475

Diamond specifications and retailer prices

From ₹1,06,059 INR
$1,117 USD
As of October 29, 2026
Save ₹6,53,541 INR (86%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: ₹7,59,600 INR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.91ct lab-grown cushion diamond

This 2.91ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818613475 or 818613475. Listed at 8 retailers as of October 29, 2026, with prices from ₹1,06,059 to ₹7,59,600, a ₹6,53,541 spread on the same certified stone. Brilliant Earth lists it at ₹7,59,600. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.91
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818613475
Dimensions8.12 × 8.03 × 5.35 mm
L/W Ratio1.01
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
8.12 mm8.03 mm2.91 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818613475
Side View
Table 61.0%Crown 35.7°Girdle: STK-THKPavilion 36.1°CuletDepth 66.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: ₹7,59,600 INR|Low: ₹1,06,059 INR|High: ₹10,37,804 INR|Avg: ₹3,17,794 INR|-26.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4₹1,06,059 INR
Retailer 6₹1,26,568 INR
Retailer 5₹1,67,112 INR
Retailer 2₹1,78,506 INR
Retailer 7₹2,14,150 INR
Retailer 8₹2,56,128 INR
Retailer 3₹3,07,737 INR
Brilliant Earth₹7,59,600 INR

31 data points across 8 retailers

8 retailers₹1,06,059 INR to ₹7,59,600 INR

A
Cheapest Retailer
-
₹1,06,059 INR
$1,117 USD
A
Retailer 2
-
₹1,26,568 INR
$1,333 USD
View
A
Retailer 3
-
₹1,67,112 INR
$1,760 USD
View
A
Retailer 4
-
₹1,78,506 INR
$1,880 USD
View
A
Retailer 5
-
₹2,14,150 INR
€2,148 EUR
View
Retailer 6
-
₹2,56,128 INR
A$4,150 AUD
View
Price last confirmed 9 days ago
A
Retailer 7
-
₹3,07,737 INR
£2,552 GBP
View
Most Expensive
B
Brilliant Earth
20880435A · Oct 30
₹7,59,600 INR
$8,000 USD
View
7 more retailers have this diamond
Prices start from ₹1,06,059 INRSave up to ₹6,53,541 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
2.91ct Cushion
₹1,06,059 INR