CaratHunter
Plans
Cushion|Lab Grown|IGI

1.31ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG694550465

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

Certificate IGI LG694550465

Diamond specifications and retailer prices

From ₹19,535 INR
As of November 6, 2026
Save ₹82,837 INR (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: ₹1,02,373 INR at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.31ct lab-grown cushion diamond

This 1.31ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG694550465 or 694550465. Listed at 13 retailers as of November 6, 2026, with prices from ₹19,535 to ₹1,02,373, a ₹82,837 spread on the same certified stone. Brilliant Earth lists it at ₹1,02,373. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.31
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694550465
Dimensions6.44 × 6.23 × 4.20 mm
L/W Ratio1.03
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
6.44 mm6.23 mm1.31 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694550465
Side View
Table 63.0%Crown 38.9°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 67.4%

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: Nov 6
Current: ₹1,02,373 INR|Low: ₹19,535 INR|High: ₹1,08,947 INR|Avg: ₹53,502 INR|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9₹19,535 INR
Retailer 8₹21,602 INR
Retailer 11₹29,115 INR
Retailer 4₹38,413 INR
Retailer 2₹39,634 INR
Retailer 10₹43,109 INR
Retailer 7₹53,065 INR
Retailer 6₹64,335 INR
Retailer 3₹74,385 INR
Retailer 5₹1,00,588 INR
Brilliant Earth₹1,02,373 INR

42 data points across 11 retailers

13 retailers₹19,535 INR to ₹1,02,373 INR

A
Cheapest Retailer
-
₹19,535 INR
Final sale: no returns
Retailer 2
-
₹21,602 INR
View
Price last confirmed 13 days ago
B+
Retailer 3
-
₹29,115 INR
View
A
Retailer 4
-
₹38,413 INR
View
A
Retailer 5
-
₹39,634 INR
View
A
Retailer 6
-
₹43,109 INR
View
B+
Retailer 7
-
₹53,065 INR
View
B+
Retailer 8
-
₹63,866 INR
View
Retailer 9
-
₹64,241 INR
View
Price last confirmed 90 days ago
B+
Retailer 10
-
₹64,335 INR
View
B
Retailer 11
-
₹74,385 INR
View
B
Retailer 12
-
₹1,00,588 INR
View
Most Expensive
B
Brilliant Earth
21312327A · Nov 6
₹1,02,373 INR
$1,090 USD
View
12 more retailers have this diamond
Prices start from ₹19,535 INRSave up to ₹82,837 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
1.31ct Cushion
₹19,535 INR