Marquise|Lab Grown|IGI

1.21ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG700514301

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG700514301

Diamond specifications and retailer prices

From €440 EUR

$494 USD

As of November 1, 2026

Save €2,734 EUR (86%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: €3,174 EUR at Do Amore Diamonds · As of November 2, 2026

View at Do Amore Diamonds

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 LG700514301 or 700514301. Listed at 29 retailers as of November 1, 2026, with prices from €440 to €3,174, a €2,734 spread on the same certified stone. Do Amore Diamonds lists it at €3,174. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36°

Pavilion angle40.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG700514301

Dimensions11.27 × 5.42 × 3.46 mm

L/W Ratio2.08

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 LG700514301

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: €3,174 EUR|Low: €219 EUR|High: €3,174 EUR|Avg: €1,128 EUR|+50.8%

Do Amore Diamonds

Retailer 2

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Retailer 22

November 2, 2026

Retailer 15€219 EUR

Retailer 22€440 EUR

Retailer 14€443 EUR

Retailer 21€553 EUR

Retailer 9€565 EUR

Retailer 5€628 EUR

Retailer 6€649 EUR

Retailer 10€691 EUR

Retailer 20€696 EUR

Retailer 13€802 EUR

Retailer 2€844 EUR

Retailer 8€1,139 EUR

Retailer 19€1,193 EUR

Retailer 4€1,244 EUR

Retailer 3€1,346 EUR

Retailer 17€1,606 EUR

Retailer 11€1,628 EUR

Retailer 7€1,707 EUR

Retailer 16€1,798 EUR

Retailer 12€1,815 EUR

Retailer 18€1,926 EUR

Do Amore Diamonds€3,174 EUR

33 data points across 22 retailers

29 retailers€440 EUR to €3,174 EUR

Retailer 1

€219 EUR

$246 USD

Price last confirmed 25 days ago

Retailer 2

€372 EUR

$417 USD

View

Price last confirmed 33 days ago

Retailer 3

€416 EUR

$467 USD

View

Price last confirmed 34 days ago

Retailer 4

€440 EUR

$494 USD

View

Final sale: no returns

Retailer 5

€443 EUR

$497 USD

View

Price last confirmed 25 days ago

Retailer 6

€443 EUR

$497 USD

View

Price last confirmed 23 days ago

Retailer 7

€455 EUR

$510 USD

View

Price last confirmed 34 days ago

Retailer 8

€553 EUR

$620 USD

View

Retailer 9

€565 EUR

$634 USD

View

Retailer 10

€628 EUR

HK$5,500 HKD

View

Retailer 11

€649 EUR

$728 USD

View

Retailer 12

€691 EUR

$775 USD

View

B+

Retailer 13

€696 EUR

View

B+

Retailer 14

€802 EUR

£708 GBP

View

B+

Retailer 15

€844 EUR

ZAR 15,294 ZAR

View

Retailer 16

€1,139 EUR

$1,278 USD

View

Price last confirmed 9 days ago

B+

Retailer 17

€1,193 EUR

A$2,058 AUD

View

Retailer 18

€1,244 EUR

$1,395 USD

View

B+

Retailer 19

€1,346 EUR

$1,510 USD

View

Retailer 20

€1,574 EUR

$1,765 USD

View

Retailer 21

€1,574 EUR

$1,765 USD

View

Price last confirmed 23 days ago

Retailer 22

€1,606 EUR

A$2,772 AUD

View

Retailer 23

€1,628 EUR

$1,826 USD

View

Retailer 24

€1,634 EUR

$1,833 USD

View

Price last confirmed 33 days ago

Retailer 25

€1,707 EUR

$1,914 USD

View

Retailer 26

€1,798 EUR

£1,588 GBP

View

Retailer 27

€1,815 EUR

SGD 2,751 SGD

View

Retailer 28

€1,926 EUR

$2,160 USD

View

Most Expensive

Do Amore Diamonds

27-036702EDB · Nov 2

€3,174 EUR

$3,560 USD

View

28 more retailers have this diamond

Prices start from €440 EURSave up to €2,734 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.

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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