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Marquise|Lab Grown|IGI

1.24ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG743550678

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG743550678

Diamond specifications and retailer prices

From €346 EUR
As of November 4, 2026
Save €1,507 EUR (81%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: €1,853 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.24ct lab-grown marquise diamond

This 1.24ct 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 LG743550678 or 743550678. Listed at 30 retailers as of November 4, 2026, with prices from €346 to €1,853, a €1,507 spread on the same certified stone. Brilliant Earth lists it at €1,853. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743550678
Dimensions10.90 × 5.59 × 3.57 mm
L/W Ratio1.95
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
10.90 mm5.59 mm1.24 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743550678
Side View
Table 59.0%Crown 36.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.9%

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 4
Current: €1,853 EUR|Low: €248 EUR|High: €2,388 EUR|Avg: €1,111 EUR|-5.5%
Brilliant Earth
Retailer 2
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Retailer 23
November 5, 2026
Retailer 16€248 EUR
Retailer 21€346 EUR
Retailer 19€445 EUR
Retailer 14€501 EUR
Retailer 18€503 EUR
Retailer 3€542 EUR
Retailer 13€682 EUR
Retailer 12€702 EUR
Retailer 2€745 EUR
Retailer 10€772 EUR
Retailer 9€862 EUR
Retailer 7€875 EUR
Retailer 20€935 EUR
Retailer 23€1,123 EUR
Retailer 22€1,231 EUR
Retailer 8€1,269 EUR
Retailer 5€1,285 EUR
Retailer 11€1,363 EUR
Retailer 6€1,467 EUR
Retailer 4€1,480 EUR
Retailer 17€1,492 EUR
Retailer 15€1,554 EUR
Brilliant Earth€1,853 EUR

28 data points across 23 retailers

30 retailers€346 EUR to €1,853 EUR

Retailer 1
-
€248 EUR
Price last confirmed 29 days ago
A
Retailer 2
-
€346 EUR
View
Final sale: no returns
Retailer 3
-
€420 EUR
View
Price last confirmed 37 days ago
A
Retailer 4
-
€445 EUR
View
Retailer 5
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€470 EUR
View
Price last confirmed 38 days ago
Retailer 6
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€501 EUR
View
Price last confirmed 29 days ago
Retailer 7
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€501 EUR
View
Price last confirmed 27 days ago
A
Retailer 8
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€503 EUR
View
Retailer 9
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€513 EUR
View
Price last confirmed 37 days ago
Retailer 10
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€513 EUR
View
Price last confirmed 40 days ago
A
Retailer 11
-
€542 EUR
View
A
Retailer 12
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€682 EUR
View
B+
Retailer 13
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€702 EUR
View
B+
Retailer 14
-
€745 EUR
View
Retailer 15
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€772 EUR
View
Price last confirmed 8 days ago
B+
Retailer 16
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€862 EUR
View
B+
Retailer 17
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€875 EUR
View
B+
Retailer 18
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€935 EUR
View
B+
Retailer 19
-
€1,123 EUR
View
B+
Retailer 20
-
€1,231 EUR
View
B+
Retailer 21
-
€1,269 EUR
View
B
Retailer 22
-
€1,285 EUR
View
Retailer 23
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€1,363 EUR
View
Price last confirmed 9 days ago
B
Retailer 24
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€1,467 EUR
View
B
Retailer 25
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€1,480 EUR
View
B
Retailer 26
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€1,492 EUR
View
Retailer 27
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€1,554 EUR
View
Price last confirmed 29 days ago
Retailer 28
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€1,609 EUR
View
Price last confirmed 27 days ago
Retailer 29
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€1,671 EUR
View
Price last confirmed 37 days ago
Most Expensive
B
Brilliant Earth
16656237A · Nov 4
€1,853 EUR
$2,080 USD
View
29 more retailers have this diamond
Prices start from €346 EURSave up to €1,507 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
1.24ct Marquise
€346 EUR