Cushion|Lab Grown|IGI

4.21ct F VVS1 Cushion Lab Grown Diamond

VG • F/VVS1 • IGI LG835670909

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

Certificate IGI LG835670909

Diamond specifications and retailer prices

From ₹1,12,279 INR

$1,183 USD

As of November 1, 2026

Save ₹7,94,112 INR (88%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: ₹9,06,391 INR at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 4.21ct lab-grown cushion diamond

This 4.21ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG835670909 or 835670909. Listed at 19 retailers as of November 1, 2026, with prices from ₹1,12,279 to ₹9,06,391, a ₹7,94,112 spread on the same certified stone. Brilliant Earth lists it at ₹9,06,391. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.21

Carat

Colour

VVS1

Clarity

Very Good

Cut

Specifications

CutVery Good

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.6°

Pavilion angle28.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG835670909

Dimensions9.35 × 9.05 × 5.65 mm

L/W Ratio1.03

Girdle conditionFaceted

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutVery Good

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG835670909

Side View

Caratlytics Score

How it works →

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 1

Current: ₹9,06,391 INR|Low: ₹1,12,279 INR|High: ₹9,06,391 INR|Avg: ₹3,01,957 INR|+19.1%

Brilliant Earth

Retailer 2

Retailer 3

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Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

November 2, 2026

Retailer 7₹1,12,279 INR

Retailer 2₹1,27,282 INR

Retailer 15₹1,30,501 INR

Retailer 10₹1,43,314 INR

Retailer 3₹1,65,808 INR

Retailer 11₹1,78,621 INR

Retailer 13₹1,82,500 INR

Retailer 6₹2,07,853 INR

Retailer 17₹2,67,885 INR

Retailer 14₹2,69,654 INR

Retailer 9₹3,33,134 INR

Retailer 5₹3,45,883 INR

Retailer 19₹3,47,143 INR

Retailer 12₹3,71,853 INR

Retailer 18₹4,06,567 INR

Retailer 16₹4,43,495 INR

Retailer 8₹7,55,426 INR

Retailer 4₹7,71,618 INR

Brilliant Earth₹9,06,391 INR

30 data points across 19 retailers

19 retailers₹1,12,279 INR to ₹9,06,391 INR

Cheapest Retailer

₹1,12,279 INR

$1,183 USD

Final sale: no returns

Retailer 2

₹1,27,282 INR

£1,056 GBP

View

Retailer 3

₹1,30,501 INR

$1,375 USD

View

Retailer 4

₹1,43,314 INR

$1,510 USD

View

Retailer 5

₹1,49,199 INR

$1,572 USD

View

B+

Retailer 6

₹1,78,621 INR

$1,882 USD

View

B+

Retailer 7

₹1,82,500 INR

£1,514 GBP

View

B+

Retailer 8

₹2,07,853 INR

$2,190 USD

View

B+

Retailer 9

₹2,67,885 INR

ZAR 45,598 ZAR

View

B+

Retailer 10

₹2,69,654 INR

A$4,371 AUD

View

Retailer 11

₹3,33,134 INR

$3,510 USD

View

Retailer 12

₹3,45,883 INR

$3,644 USD

View

Retailer 13

₹3,47,143 INR

£2,880 GBP

View

Retailer 14

₹3,71,853 INR

£3,085 GBP

View

Retailer 15

₹4,06,567 INR

£3,373 GBP

View

Retailer 16

₹4,43,495 INR

$4,673 USD

View

Retailer 17

₹7,55,426 INR

$7,959 USD

View

Retailer 18

₹7,71,618 INR

$8,130 USD

View

Most Expensive

Brilliant Earth

22270103A · Nov 2

₹9,06,391 INR

$9,550 USD

View

18 more retailers have this diamond

Prices start from ₹1,12,279 INRSave up to ₹7,94,112 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.

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