Marquise|Lab Grown|IGI

1.23ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG790626854

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790626854

Diamond specifications and retailer prices

From ₹27,239 INR

$287 USD

As of November 1, 2026

Save ₹1,63,530 INR (86%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: ₹1,90,769 INR at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 1.23ct lab-grown marquise diamond

This 1.23ct 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 LG790626854 or 790626854. Listed at 22 retailers as of November 1, 2026, with prices from ₹27,239 to ₹1,90,769, a ₹1,63,530 spread on the same certified stone. Brilliant Earth lists it at ₹1,90,769. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.4°

Pavilion angle40.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG790626854

Dimensions11.15 × 5.61 × 3.49 mm

L/W Ratio1.99

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG790626854

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: ₹1,90,769 INR|Low: ₹27,239 INR|High: ₹1,91,718 INR|Avg: ₹77,670 INR|-0.5%

Brilliant Earth

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

November 2, 2026

Retailer 6₹27,239 INR

Retailer 10₹31,906 INR

Retailer 14₹44,133 INR

Retailer 8₹50,397 INR

Retailer 17₹51,123 INR

Retailer 12₹52,105 INR

Retailer 11₹57,111 INR

Retailer 4₹61,217 INR

Retailer 9₹66,503 INR

Retailer 16₹73,413 INR

Retailer 2₹75,928 INR

Retailer 5₹76,972 INR

Retailer 3₹97,133 INR

Retailer 7₹1,01,885 INR

Retailer 15₹1,18,756 INR

Retailer 13₹1,20,897 INR

Brilliant Earth₹1,90,769 INR

32 data points across 17 retailers

22 retailers₹27,239 INR to ₹1,90,769 INR

Cheapest Retailer

₹27,239 INR

$287 USD

Final sale: no returns

Retailer 2

₹30,276 INR

$319 USD

View

Price last confirmed 28 days ago

Retailer 3

₹31,906 INR

£265 GBP

View

Retailer 4

₹36,635 INR

$386 USD

View

Price last confirmed 35 days ago

Retailer 5

₹39,103 INR

$412 USD

View

Price last confirmed 28 days ago

Retailer 6

₹44,133 INR

$465 USD

View

Retailer 7

₹50,397 INR

$531 USD

View

Retailer 8

₹51,123 INR

€513 EUR

View

Retailer 9

₹52,105 INR

ZAR 8,869 ZAR

View

Retailer 10

₹57,111 INR

£474 GBP

View

Retailer 11

₹61,217 INR

$645 USD

View

Retailer 12

₹66,503 INR

A$1,078 AUD

View

Retailer 13

₹73,413 INR

A$1,190 AUD

View

B+

Retailer 14

₹75,928 INR

$800 USD

View

B+

Retailer 15

₹76,972 INR

$811 USD

View

B+

Retailer 16

₹97,133 INR

SGD 1,383 SGD

View

B+

Retailer 17

₹1,01,885 INR

$1,073 USD

View

B+

Retailer 18

₹1,18,756 INR

A$1,925 AUD

View

B+

Retailer 19

₹1,20,897 INR

£1,003 GBP

View

Retailer 20

₹1,25,756 INR

$1,325 USD

View

Price last confirmed 29 days ago

Retailer 21

₹1,56,741 INR

$1,651 USD

View

Price last confirmed 85 days ago

Most Expensive

Brilliant Earth

18981391A · Nov 2

₹1,90,769 INR

$2,010 USD

View

21 more retailers have this diamond

Prices start from ₹27,239 INRSave up to ₹1,63,530 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 1.23ct E IF marquise lab-grown

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

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