Marquise|Lab Grown|IGI

1.77ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG762545100

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762545100

Diamond specifications and retailer prices

From €1,087 EUR

$1,214 USD

As of November 2, 2026

Save €3,212 EUR (75%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: €4,299 EUR at Taylor and Hart · As of October 31, 2026

View at Taylor and Hart

About this 1.77ct lab-grown marquise diamond

This 1.77ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545100 or 762545100. Listed at 16 retailers as of October 31, 2026, with prices from €1,087 to €4,299, a €3,212 spread on the same certified stone. Taylor and Hart lists it at €4,299. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77

Carat

Color

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.2°

Pavilion angle40.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG762545100

Dimensions12.67 × 6.33 × 3.93 mm

L/W Ratio2.00

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 LG762545100

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 2

Current: €1,755 EUR|Low: €1,087 EUR|High: €4,250 EUR|Avg: €2,455 EUR|-1.2%

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

November 2, 2026

Retailer 4€1,087 EUR

Retailer 3€1,284 EUR

Retailer 1€1,755 EUR

Retailer 14€1,762 EUR

Retailer 13€1,826 EUR

Retailer 6€1,830 EUR

Retailer 10€1,948 EUR

Retailer 11€2,225 EUR

Retailer 12€3,113 EUR

Retailer 5€3,137 EUR

Retailer 2€3,399 EUR

Retailer 9€3,482 EUR

Retailer 7€3,889 EUR

Retailer 8€4,192 EUR

44 data points across 14 retailers

16 retailers€1,087 EUR to €4,299 EUR

Cheapest Retailer

€1,087 EUR

$1,214 USD

Retailer 2

€1,284 EUR

$1,434 USD

View

Retailer 3

€1,547 EUR

HK$13,500 HKD

View

Retailer 4

€1,755 EUR

£1,544 GBP

View

Retailer 5

€1,762 EUR

A$3,028 AUD

View

Retailer 6

€1,811 EUR

£1,593 GBP

View

Price last confirmed 17 days ago

B+

Retailer 7

€1,826 EUR

$2,040 USD

View

B+

Retailer 8

€1,948 EUR

View

B+

Retailer 9

€2,225 EUR

ZAR 40,152 ZAR

View

Retailer 10

€3,113 EUR

$3,478 USD

View

Retailer 11

€3,137 EUR

$3,505 USD

View

Price last confirmed 9 days ago

Retailer 12

€3,399 EUR

$3,797 USD

View

B+

Retailer 13

€3,482 EUR

$3,890 USD

View

Retailer 14

€3,889 EUR

£3,421 GBP

View

Retailer 15

€4,192 EUR

A$7,205 AUD

View

Most Expensive

Taylor and Hart

5X4JO7U · Oct 31

€4,299 EUR

$4,803 USD

View

15 more retailers have this diamond

Prices start from €1,087 EURSave up to €3,212 EUR

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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1.77ct Marquise

€1,087 EUR