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Cushion|Lab Grown|IGI

1.66ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG729569332

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG729569332

Diamond specifications and retailer prices

From ₹66,845 INR
$704 USD
As of November 1, 2026
Save ₹2,45,541 INR (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: ₹3,12,386 INR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.66ct lab-grown cushion diamond

This 1.66ct 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 LG729569332 or 729569332. Listed at 20 retailers as of October 31, 2026, with prices from ₹66,845 to ₹3,12,386, a ₹2,45,541 spread on the same certified stone. Brilliant Earth lists it at ₹3,12,386. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729569332
Dimensions7.93 × 6.21 × 4.31 mm
L/W Ratio1.28
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
7.93 mm6.21 mm1.66 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729569332
Side View
Table 58.0%Crown 35.8°Girdle: MED-VTKPavilion 40°Culet: NoneDepth 69.4%

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 1
Current: ₹3,12,386 INR|Low: ₹66,845 INR|High: ₹3,19,032 INR|Avg: ₹1,64,791 INR|-2.1%
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
Retailer 15
November 2, 2026
Retailer 10₹66,845 INR
Retailer 4₹69,408 INR
Retailer 15₹85,455 INR
Retailer 7₹93,241 INR
Retailer 9₹1,12,658 INR
Retailer 2₹1,15,305 INR
Retailer 13₹1,27,475 INR
Retailer 11₹1,57,807 INR
Retailer 12₹1,72,747 INR
Retailer 14₹1,79,930 INR
Retailer 6₹2,15,609 INR
Retailer 3₹2,23,607 INR
Retailer 5₹2,34,116 INR
Retailer 8₹2,92,302 INR
Brilliant Earth₹3,12,386 INR

44 data points across 15 retailers

20 retailers₹66,845 INR to ₹3,12,386 INR

A
Cheapest Retailer
-
₹66,845 INR
$704 USD
Final sale: no returns
Retailer 2
-
₹69,408 INR
$731 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
₹81,429 INR
HK$6,700 HKD
View
A
Retailer 4
-
₹85,455 INR
$900 USD
View
A
Retailer 5
-
₹93,241 INR
$982 USD
View
A
Retailer 6
-
₹99,508 INR
$1,048 USD
View
A
Retailer 7
-
₹1,12,658 INR
€1,130 EUR
View
A
Retailer 8
-
₹1,15,305 INR
£956 GBP
View
A
Retailer 9
-
₹1,25,049 INR
$1,317 USD
View
A
Retailer 10
-
₹1,27,475 INR
ZAR 21,689 ZAR
View
B+
Retailer 11
-
₹1,57,807 INR
$1,662 USD
View
B+
Retailer 12
-
₹1,72,747 INR
A$2,799 AUD
View
Retailer 13
-
₹1,79,930 INR
$1,895 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
₹2,15,609 INR
£1,788 GBP
View
B+
Retailer 15
-
₹2,23,607 INR
$2,355 USD
View
B+
Retailer 16
-
₹2,34,116 INR
SGD 3,332 SGD
View
B
Retailer 17
-
₹2,39,482 INR
$2,522 USD
View
B
Retailer 18
-
₹2,43,606 INR
$2,566 USD
View
B
Retailer 19
-
₹2,92,302 INR
£2,424 GBP
View
Most Expensive
B
Brilliant Earth
15964172A · Oct 31
₹3,12,386 INR
$3,290 USD
View
19 more retailers have this diamond
Prices start from ₹66,845 INRSave up to ₹2,45,541 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
1.66ct Cushion
₹66,845 INR