Marquise|Lab Grown|IGI

1.21ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG681583490

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG681583490

Diamond specifications and retailer prices

From ₹38,723 INR

$408 USD

As of October 30, 2026

Save ₹1,52,995 INR (80%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: ₹1,91,718 INR at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG681583490 or 681583490. Listed at 22 retailers as of October 30, 2026, with prices from ₹38,723 to ₹1,91,718, a ₹1,52,995 spread on the same certified stone. Brilliant Earth lists it at ₹1,91,718. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.2°

Pavilion angle40.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG681583490

Dimensions10.98 × 5.56 × 3.46 mm

L/W Ratio1.97

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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG681583490

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: ₹1,91,718 INR|Low: ₹38,723 INR|High: ₹2,43,241 INR|Avg: ₹1,04,051 INR|-1.5%

Brilliant Earth

Retailer 2

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Retailer 22

November 2, 2026

Retailer 15₹38,723 INR

Retailer 10₹43,279 INR

Retailer 5₹43,374 INR

Retailer 4₹48,024 INR

Retailer 21₹48,024 INR

Retailer 6₹52,238 INR

Retailer 17₹62,166 INR

Retailer 9₹69,854 INR

Retailer 11₹76,118 INR

Retailer 18₹76,535 INR

Retailer 2₹79,048 INR

Retailer 3₹79,819 INR

Retailer 16₹82,601 INR

Retailer 22₹1,34,867 INR

Retailer 7₹1,40,304 INR

Retailer 14₹1,52,898 INR

Retailer 19₹1,53,754 INR

Retailer 20₹1,54,513 INR

Retailer 8₹1,57,835 INR

Retailer 12₹1,76,412 INR

Retailer 13₹1,87,795 INR

Brilliant Earth₹1,91,718 INR

40 data points across 22 retailers

22 retailers₹38,723 INR to ₹1,91,718 INR

Cheapest Retailer

₹38,723 INR

$408 USD

Retailer 2

₹43,279 INR

$456 USD

View

Final sale: no returns

Retailer 3

₹43,374 INR

$457 USD

View

Retailer 4

₹48,024 INR

$506 USD

View

Price last confirmed 8 days ago

Retailer 5

₹48,024 INR

$506 USD

View

Retailer 6

₹52,238 INR

HK$4,300 HKD

View

Retailer 7

₹62,166 INR

$655 USD

View

Retailer 8

₹69,854 INR

$736 USD

View

B+

Retailer 9

₹76,118 INR

$802 USD

View

B+

Retailer 10

₹76,535 INR

€768 EUR

View

B+

Retailer 11

₹79,048 INR

£656 GBP

View

B+

Retailer 12

₹79,819 INR

$841 USD

View

B+

Retailer 13

₹82,601 INR

ZAR 14,060 ZAR

View

Retailer 14

₹1,34,867 INR

$1,421 USD

View

Retailer 15

₹1,40,304 INR

£1,164 GBP

View

Retailer 16

₹1,52,898 INR

SGD 2,177 SGD

View

B+

Retailer 17

₹1,53,754 INR

$1,620 USD

View

Retailer 18

₹1,54,513 INR

$1,628 USD

View

Retailer 19

₹1,57,835 INR

$1,663 USD

View

Retailer 20

₹1,76,412 INR

$1,859 USD

View

Retailer 21

₹1,87,795 INR

£1,558 GBP

View

Most Expensive

Brilliant Earth

19056507A · Oct 31

₹1,91,718 INR

$2,020 USD

View

21 more retailers have this diamond

Prices start from ₹38,723 INRSave up to ₹1,52,995 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.

Where to buy this spec

See every retailer carrying 1.21ct E IF marquise lab-grown

Ranked by inventory count, with return policy, certs, and trust signals.

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