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Marquise|Lab Grown|IGI

1.21ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754508297

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754508297

Diamond specifications and retailer prices

From €330 EUR
As of November 5, 2026
Save €2,103 EUR (86%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: €2,432 EUR at Do Amore Diamonds · As of November 5, 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 LG754508297 or 754508297. Listed at 31 retailers as of November 5, 2026, with prices from €330 to €2,432, a €2,103 spread on the same certified stone. Do Amore Diamonds lists it at €2,432. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508297
Dimensions11.53 × 5.32 × 3.38 mm
L/W Ratio2.17
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
Top View
11.53 mm5.32 mm1.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508297
Side View
Table 58.0%Crown 37.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.5%

Caratlytics Score

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A
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: Nov 5
Current: €2,432 EUR|Low: €330 EUR|High: €3,297 EUR|Avg: €1,105 EUR|-26.2%
Do Amore Diamonds
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Retailer 25
November 5, 2026
Retailer 19€330 EUR
Retailer 18€372 EUR
Retailer 2€383 EUR
Retailer 17€443 EUR
Retailer 21€445 EUR
Retailer 22€502 EUR
Retailer 4€530 EUR
Retailer 13€546 EUR
Retailer 16€649 EUR
Retailer 20€665 EUR
Retailer 12€695 EUR
Retailer 9€843 EUR
Retailer 7€854 EUR
Retailer 24€920 EUR
Retailer 3€1,042 EUR
Retailer 25€1,204 EUR
Retailer 15€1,345 EUR
Retailer 8€1,346 EUR
Retailer 5€1,363 EUR
Retailer 6€1,440 EUR
Retailer 11€1,605 EUR
Retailer 14€1,605 EUR
Retailer 23€1,630 EUR
Retailer 10€1,796 EUR
Do Amore Diamonds€2,432 EUR

31 data points across 25 retailers

31 retailers€330 EUR to €2,432 EUR

A
Cheapest Retailer
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€330 EUR
Final sale: no returns
Retailer 2
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€372 EUR
View
Price last confirmed 29 days ago
Retailer 3
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€372 EUR
View
Price last confirmed 37 days ago
A
Retailer 4
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€383 EUR
View
Retailer 5
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€416 EUR
View
Price last confirmed 38 days ago
Retailer 6
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€443 EUR
View
Price last confirmed 29 days ago
Retailer 7
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€443 EUR
View
Price last confirmed 27 days ago
A
Retailer 8
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€445 EUR
View
Retailer 9
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€454 EUR
View
Price last confirmed 38 days ago
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Retailer 10
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€502 EUR
View
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Retailer 11
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€530 EUR
View
A
Retailer 12
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€546 EUR
View
B+
Retailer 13
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€649 EUR
View
A
Retailer 14
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€665 EUR
View
Retailer 15
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€695 EUR
View
Price last confirmed 8 days ago
B+
Retailer 16
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€843 EUR
View
B+
Retailer 17
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€854 EUR
View
B+
Retailer 18
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€920 EUR
View
B+
Retailer 19
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€1,042 EUR
View
B+
Retailer 20
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€1,204 EUR
View
Retailer 21
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€1,345 EUR
View
Price last confirmed 9 days ago
B+
Retailer 22
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€1,346 EUR
View
B+
Retailer 23
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€1,363 EUR
View
B+
Retailer 24
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€1,440 EUR
View
Retailer 25
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€1,573 EUR
View
Price last confirmed 27 days ago
B
Retailer 26
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€1,605 EUR
View
B
Retailer 27
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€1,605 EUR
View
B
Retailer 28
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€1,630 EUR
View
Retailer 29
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€1,633 EUR
View
Price last confirmed 37 days ago
B
Retailer 30
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€1,796 EUR
View
Most Expensive
B
Do Amore Diamonds
27-82AE7C261 · Nov 5
€2,432 EUR
$2,730 USD
View
30 more retailers have this diamond
Prices start from €330 EURSave up to €2,103 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.

A
1.21ct Marquise
€330 EUR