Marquise|Lab Grown|IGI

3.51ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG717586084

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG717586084

Diamond specifications and retailer prices

From ₹6,65,030 INR

$7,004 USD

As of October 30, 2026

Save ₹19,66,409 INR (75%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: ₹26,31,439 INR at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 3.51ct lab-grown marquise diamond

This 3.51ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG717586084 or 717586084. Listed at 24 retailers as of October 30, 2026, with prices from ₹6,65,030 to ₹26,31,439, a ₹19,66,409 spread on the same certified stone. Taylor and Hart lists it at ₹26,31,439. 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

3.51

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.4°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG717586084

Dimensions15.17 × 7.77 × 5.08 mm

L/W Ratio1.95

Girdle conditionFaceted

Culet sizePointed

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG717586084

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: Oct 30

Current: ₹15,14,687 INR|Low: ₹6,65,030 INR|High: ₹27,91,948 INR|Avg: ₹10,87,581 INR|-9.2%

Retailer 1

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

Retailer 16

Retailer 17

Retailer 18

Retailer 19

Retailer 20

Taylor and Hart

November 1, 2026

Retailer 7₹6,65,030 INR

Retailer 5₹6,90,666 INR

Retailer 2₹6,91,616 INR

Retailer 11₹7,12,030 INR

Retailer 19₹7,24,943 INR

Retailer 4₹7,67,671 INR

Retailer 6₹7,71,469 INR

Retailer 9₹7,71,469 INR

Retailer 20₹8,34,326 INR

Retailer 8₹9,15,793 INR

Retailer 18₹9,34,878 INR

Retailer 13₹9,39,244 INR

Retailer 15₹9,67,837 INR

Retailer 10₹11,04,090 INR

Retailer 17₹11,42,059 INR

Retailer 12₹11,82,128 INR

Retailer 16₹12,46,318 INR

Retailer 3₹14,08,298 INR

Retailer 1₹15,14,687 INR

Retailer 14₹17,91,280 INR

Taylor and Hart₹26,31,439 INR

34 data points across 21 retailers

24 retailers₹6,65,030 INR to ₹26,31,439 INR

Cheapest Retailer

₹6,65,030 INR

$7,004 USD

B+

Retailer 2

₹6,90,666 INR

$7,274 USD

View

Retailer 3

₹6,91,616 INR

$7,284 USD

View

Retailer 4

₹7,12,030 INR

$7,499 USD

View

Retailer 5

₹7,24,943 INR

$7,635 USD

View

B+

Retailer 6

₹7,67,671 INR

$8,085 USD

View

B+

Retailer 7

₹7,71,469 INR

$8,125 USD

View

Retailer 8

₹7,71,469 INR

$8,125 USD

View

Price last confirmed 16 days ago

B+

Retailer 9

₹8,34,326 INR

$8,787 USD

View

B+

Retailer 10

₹9,15,793 INR

$9,645 USD

View

B+

Retailer 11

₹9,34,878 INR

$9,846 USD

View

Final sale: no returns

Retailer 12

₹9,39,244 INR

£7,789 GBP

View

Price last confirmed 32 days ago

B+

Retailer 13

₹9,67,837 INR

£8,026 GBP

View

Retailer 14

₹10,55,369 INR

$11,115 USD

View

Price last confirmed 34 days ago

B+

Retailer 15

₹11,04,090 INR

£9,156 GBP

View

Retailer 16

₹11,31,804 INR

$11,920 USD

View

Price last confirmed 11 days ago

Retailer 17

₹11,42,059 INR

$12,028 USD

View

B+

Retailer 18

₹11,82,128 INR

$12,450 USD

View

B+

Retailer 19

₹12,46,318 INR

€12,501 EUR

View

B+

Retailer 20

₹13,06,702 INR

$13,762 USD

View

B+

Retailer 21

₹14,08,298 INR

$14,832 USD

View

Retailer 22

₹15,14,687 INR

£12,561 GBP

View

Retailer 23

₹17,91,280 INR

ZAR 304,774 ZAR

View

Most Expensive

Taylor and Hart

HWQ20GM · Oct 31

₹26,31,439 INR

$27,714 USD

View

23 more retailers have this diamond

Prices start from ₹6,65,030 INRSave up to ₹19,66,409 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.

Similar diamonds

3.51ct Marquise

₹6,65,030 INR