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Marquise|Lab Grown|IGI

1.21ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG838645049

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838645049

Diamond specifications and retailer prices

From €292 EUR
$327 USD
As of November 2, 2026
Save €1,884 EUR (87%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €2,175 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 LG838645049 or 838645049. Listed at 27 retailers as of November 2, 2026, with prices from €292 to €2,175, a €1,884 spread on the same certified stone. Do Amore Diamonds lists it at €2,175. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838645049
Dimensions10.48 × 5.58 × 3.49 mm
L/W Ratio1.88
Girdle conditionFaceted
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
10.48 mm5.58 mm1.21 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838645049
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.5%

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 2
Current: €2,175 EUR|Low: €273 EUR|High: €2,175 EUR|Avg: €880 EUR
Do Amore Diamonds
Retailer 2
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Retailer 29
November 2, 2026
Retailer 26€292 EUR
Retailer 12€326 EUR
Retailer 14€338 EUR
Retailer 19€338 EUR
Retailer 28€361 EUR
Retailer 2€411 EUR
Retailer 7€447 EUR
Retailer 29€499 EUR
Retailer 18€528 EUR
Retailer 17€535 EUR
Retailer 9€550 EUR
Retailer 5€596 EUR
Retailer 25€654 EUR
Retailer 23€688 EUR
Retailer 24€719 EUR
Retailer 21€722 EUR
Retailer 3€969 EUR
Retailer 13€1,015 EUR
Retailer 16€1,105 EUR
Retailer 27€1,187 EUR
Retailer 22€1,210 EUR
Retailer 8€1,283 EUR
Retailer 11€1,402 EUR
Retailer 15€1,421 EUR
Retailer 10€1,421 EUR
Retailer 20€1,517 EUR
Retailer 6€1,567 EUR
Retailer 4€2,088 EUR
Do Amore Diamonds€2,175 EUR

18 data points across 29 retailers

27 retailers€292 EUR to €2,175 EUR

A
Cheapest Retailer
-
€292 EUR
$327 USD
A
Retailer 2
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€326 EUR
$366 USD
View
Final sale: no returns
Retailer 3
-
€338 EUR
$379 USD
View
Price last confirmed 21 days ago
A
Retailer 4
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€338 EUR
$379 USD
View
A
Retailer 5
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€361 EUR
$405 USD
View
A
Retailer 6
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€411 EUR
£363 GBP
View
A
Retailer 7
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€447 EUR
$501 USD
View
A
Retailer 8
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€499 EUR
$560 USD
View
A
Retailer 9
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€535 EUR
$600 USD
View
A
Retailer 10
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€537 EUR
$602 USD
View
A
Retailer 11
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€550 EUR
$617 USD
View
B+
Retailer 12
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€654 EUR
$734 USD
View
B+
Retailer 13
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€688 EUR
ZAR 12,469 ZAR
View
B+
Retailer 14
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€719 EUR
£635 GBP
View
Retailer 15
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€722 EUR
$809 USD
View
Price last confirmed 21 days ago
B+
Retailer 16
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€969 EUR
A$1,672 AUD
View
B+
Retailer 17
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€1,015 EUR
£896 GBP
View
B+
Retailer 18
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€1,105 EUR
$1,240 USD
View
B+
Retailer 19
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€1,187 EUR
CA$1,849 CAD
View
B
Retailer 20
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€1,283 EUR
$1,439 USD
View
B
Retailer 21
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€1,402 EUR
$1,572 USD
View
B
Retailer 22
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€1,421 EUR
$1,593 USD
View
B
Retailer 23
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€1,421 EUR
$1,594 USD
View
Retailer 24
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€1,517 EUR
A$2,618 AUD
View
Price last confirmed 26 days ago
B
Retailer 25
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€1,567 EUR
£1,384 GBP
View
B
Retailer 26
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€2,088 EUR
$2,342 USD
View
Most Expensive
B
Do Amore Diamonds
20-E101725 · Nov 2
€2,175 EUR
$2,440 USD
View
26 more retailers have this diamond
Prices start from €292 EURSave up to €1,884 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
€292 EUR