Marquise|Lab Grown|IGI

1.21ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG739586856

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG739586856

Diamond specifications and retailer prices

From ₹41,873 INR

$441 USD

As of October 30, 2026

Save ₹1,98,351 INR (83%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: ₹2,40,224 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739586856 or 739586856. Listed at 23 retailers as of October 30, 2026, with prices from ₹41,873 to ₹2,40,224, a ₹1,98,351 spread on the same certified stone. Brilliant Earth lists it at ₹2,40,224. 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 angle33.3°

Pavilion angle40°

OriginLab Grown

Grading LabIGI

CertificateIGI LG739586856

Dimensions10.79 × 5.59 × 3.49 mm

L/W Ratio1.93

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 LG739586856

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30

Current: ₹2,40,224 INR|Low: ₹41,873 INR|High: ₹2,81,052 INR|Avg: ₹1,12,804 INR|-14.5%

Brilliant Earth

Retailer 2

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October 31, 2026

Retailer 16₹41,873 INR

Retailer 11₹46,810 INR

Retailer 7₹46,905 INR

Retailer 5₹51,938 INR

Retailer 23₹51,938 INR

Retailer 6₹57,122 INR

Retailer 18₹65,516 INR

Retailer 10₹73,396 INR

Retailer 4₹79,283 INR

Retailer 12₹81,562 INR

Retailer 20₹82,350 INR

Retailer 2₹85,752 INR

Retailer 17₹89,184 INR

Retailer 13₹1,26,459 INR

Retailer 3₹1,39,482 INR

Retailer 21₹1,45,748 INR

Retailer 9₹1,51,939 INR

Retailer 15₹1,64,556 INR

Retailer 22₹1,66,827 INR

Retailer 8₹1,69,975 INR

Retailer 14₹1,86,286 INR

Retailer 19₹1,90,888 INR

Brilliant Earth₹2,40,224 INR

38 data points across 23 retailers

23 retailers₹41,873 INR to ₹2,40,224 INR

Cheapest Retailer

₹41,873 INR

$441 USD

Retailer 2

₹46,810 INR

$493 USD

View

Final sale: no returns

Retailer 3

₹46,905 INR

$494 USD

View

Retailer 4

₹51,938 INR

$547 USD

View

Retailer 5

₹51,938 INR

$547 USD

View

Retailer 6

₹57,122 INR

HK$4,700 HKD

View

Retailer 7

₹65,516 INR

$690 USD

View

B+

Retailer 8

₹73,396 INR

$773 USD

View

B+

Retailer 9

₹79,283 INR

$835 USD

View

B+

Retailer 10

₹81,562 INR

$859 USD

View

B+

Retailer 11

₹82,350 INR

€826 EUR

View

B+

Retailer 12

₹85,752 INR

£711 GBP

View

B+

Retailer 13

₹89,184 INR

ZAR 15,174 ZAR

View

B+

Retailer 14

₹1,26,459 INR

A$2,049 AUD

View

Retailer 15

₹1,39,482 INR

$1,469 USD

View

B+

Retailer 16

₹1,45,748 INR

$1,535 USD

View

Retailer 17

₹1,51,939 INR

£1,260 GBP

View

Retailer 18

₹1,64,556 INR

SGD 2,342 SGD

View

Retailer 19

₹1,66,827 INR

$1,757 USD

View

Retailer 20

₹1,69,975 INR

$1,790 USD

View

Retailer 21

₹1,86,286 INR

$1,962 USD

View

Retailer 22

₹1,90,888 INR

£1,583 GBP

View

Most Expensive

Brilliant Earth

19056215A · Oct 31

₹2,40,224 INR

$2,530 USD

View

22 more retailers have this diamond

Prices start from ₹41,873 INRSave up to ₹1,98,351 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 D IF marquise lab-grown

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

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