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Cushion|Lab Grown|IGI

3.53ct F SI1 Cushion Lab Grown Diamond

EX • F/SI1

Diamond specifications and retailer prices

From ₹80,809 INR
£670 GBP
As of November 2, 2026
Save ₹1,69,089 INR (68%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: ₹2,49,898 INR at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 3.53ct lab-grown cushion diamond

This 3.53ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 3 retailers as of October 31, 2026, with prices from ₹80,809 to ₹2,49,898, a ₹1,69,089 spread on the same certified stone. Blue Nile lists it at ₹2,49,898. 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

3.53
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions9.56 × 8.57 × 5.80 mm
L/W Ratio1.12
Top View
9.56 mm8.57 mm3.53 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 62.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 67.7%

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 2
Current: ₹2,49,898 INR|Low: ₹80,809 INR|High: ₹2,49,898 INR|Avg: ₹1,64,906 INR
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2₹80,809 INR
Retailer 4₹1,07,533 INR
Retailer 3₹2,25,588 INR
Blue Nile₹2,49,898 INR

17 data points across 4 retailers

3 retailers₹80,809 INR to ₹2,49,898 INR

A
Cheapest Retailer
-
₹80,809 INR
£670 GBP
B
Retailer 2
-
₹2,25,588 INR
CA$3,301 CAD
View
Most Expensive
B
Blue Nile
22024531 · Oct 31
₹2,49,898 INR
$2,633 USD
View
2 more retailers have this diamond
Prices start from ₹80,809 INRSave up to ₹1,69,089 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
3.53ct Cushion
₹80,809 INR