Marquise|Lab Grown|IGI

1.70ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG818668458

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818668458

Diamond specifications and retailer prices

From ₹46,526 INR

$490 USD

As of October 30, 2026

Save ₹2,97,194 INR (86%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: ₹3,43,719 INR at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 1.7ct lab-grown marquise diamond

This 1.7ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818668458 or 818668458. Listed at 25 retailers as of October 30, 2026, with prices from ₹46,526 to ₹3,43,719, a ₹2,97,194 spread on the same certified stone. Brilliant Earth lists it at ₹3,43,719. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.1°

Pavilion angle39.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG818668458

Dimensions12.57 × 6.12 × 3.83 mm

L/W Ratio2.05

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG818668458

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: ₹3,43,719 INR|Low: ₹44,627 INR|High: ₹4,37,720 INR|Avg: ₹1,33,721 INR|-21.5%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

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Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

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Retailer 15

Retailer 16

Retailer 17

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Retailer 19

Retailer 20

October 31, 2026

Retailer 6₹46,526 INR

Retailer 7₹51,938 INR

Retailer 11₹52,128 INR

Retailer 8₹57,635 INR

Retailer 12₹57,635 INR

Retailer 20₹59,696 INR

Retailer 18₹70,738 INR

Retailer 16₹84,344 INR

Retailer 9₹87,515 INR

Retailer 13₹89,823 INR

Retailer 15₹95,883 INR

Retailer 17₹99,129 INR

Retailer 2₹1,26,284 INR

Retailer 14₹1,34,297 INR

Retailer 10₹1,51,730 INR

Retailer 3₹2,01,171 INR

Retailer 5₹2,15,726 INR

Retailer 19₹2,42,017 INR

Retailer 4₹2,70,878 INR

Brilliant Earth₹3,43,719 INR

38 data points across 20 retailers

25 retailers₹46,526 INR to ₹3,43,719 INR

Cheapest Retailer

₹46,526 INR

$490 USD

Retailer 2

₹51,938 INR

$547 USD

View

Final sale: no returns

Retailer 3

₹52,128 INR

$549 USD

View

Retailer 4

₹57,635 INR

$607 USD

View

Price last confirmed 14 days ago

Retailer 5

₹57,635 INR

$607 USD

View

Retailer 6

₹59,696 INR

£495 GBP

View

Price last confirmed 13 days ago

Retailer 7

₹70,738 INR

$745 USD

View

Retailer 8

₹84,344 INR

€846 EUR

View

Retailer 9

₹87,515 INR

A$1,418 AUD

View

Retailer 10

₹87,639 INR

$923 USD

View

Retailer 11

₹89,823 INR

$946 USD

View

Retailer 12

₹95,883 INR

£795 GBP

View

Retailer 13

₹99,129 INR

ZAR 16,866 ZAR

View

Retailer 14

₹1,25,429 INR

$1,321 USD

View

Retailer 15

₹1,26,284 INR

$1,330 USD

View

Retailer 16

₹1,27,841 INR

$1,346 USD

View

Retailer 17

₹1,34,297 INR

A$2,176 AUD

View

Retailer 18

₹1,51,730 INR

$1,598 USD

View

B+

Retailer 19

₹1,88,024 INR

$1,980 USD

View

B+

Retailer 20

₹2,01,171 INR

$2,119 USD

View

B+

Retailer 21

₹2,15,726 INR

$2,272 USD

View

B+

Retailer 22

₹2,42,017 INR

£2,007 GBP

View

B+

Retailer 23

₹2,51,712 INR

$2,651 USD

View

Retailer 24

₹2,70,878 INR

A$4,389 AUD

View

Price last confirmed 22 days ago

Most Expensive

Brilliant Earth

21063499A · Oct 30

₹3,43,719 INR

$3,620 USD

View

24 more retailers have this diamond

Prices start from ₹46,526 INRSave up to ₹2,97,194 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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