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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG743546432

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG743546432

Diamond specifications and retailer prices

From €299 EUR
As of November 4, 2026
Save €1,484 EUR (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €1,783 EUR at MOH London · As of November 3, 2026
View at MOH London

About this 1.2ct lab-grown marquise diamond

This 1.2ct 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 LG743546432 or 743546432. Listed at 25 retailers as of November 3, 2026, with prices from €299 to €1,783, a €1,484 spread on the same certified stone. MOH London lists it at €1,783. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743546432
Dimensions11.13 × 5.41 × 3.40 mm
L/W Ratio2.06
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
11.13 mm5.41 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743546432
Side View
Table 61.0%Crown 36°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 62.8%

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: €1,783 EUR|Low: €299 EUR|High: €1,805 EUR|Avg: €953 EUR|-1.2%
MOH London
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Retailer 24
November 5, 2026
Retailer 23€299 EUR
Retailer 22€336 EUR
Retailer 7€347 EUR
Retailer 13€372 EUR
Retailer 20€433 EUR
Retailer 19€486 EUR
Retailer 4€526 EUR
Retailer 18€656 EUR
Retailer 17€687 EUR
Retailer 2€702 EUR
Retailer 14€778 EUR
Retailer 11€837 EUR
Retailer 9€846 EUR
Retailer 15€913 EUR
Retailer 21€913 EUR
Retailer 3€1,091 EUR
Retailer 24€1,195 EUR
Retailer 10€1,233 EUR
Retailer 6€1,248 EUR
Retailer 16€1,359 EUR
Retailer 8€1,420 EUR
Retailer 5€1,451 EUR
Retailer 12€1,586 EUR
MOH London€1,783 EUR

27 data points across 24 retailers

25 retailers€299 EUR to €1,783 EUR

A
Cheapest Retailer
-
€299 EUR
A
Retailer 2
-
€336 EUR
View
Final sale: no returns
A
Retailer 3
-
€347 EUR
View
A
Retailer 4
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€372 EUR
View
A
Retailer 5
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€433 EUR
View
A
Retailer 6
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€486 EUR
View
A
Retailer 7
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€526 EUR
View
A
Retailer 8
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€656 EUR
View
B+
Retailer 9
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€687 EUR
View
B+
Retailer 10
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€702 EUR
View
Retailer 11
-
€778 EUR
View
Price last confirmed 8 days ago
B+
Retailer 12
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€837 EUR
View
B+
Retailer 13
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€846 EUR
View
B+
Retailer 14
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€913 EUR
View
B+
Retailer 15
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€913 EUR
View
B+
Retailer 16
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€1,091 EUR
View
B
Retailer 17
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€1,195 EUR
View
B
Retailer 18
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€1,233 EUR
View
B
Retailer 19
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€1,248 EUR
View
Retailer 20
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€1,359 EUR
View
Price last confirmed 9 days ago
B
Retailer 21
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€1,420 EUR
View
B
Retailer 22
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€1,451 EUR
View
Retailer 23
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€1,503 EUR
View
Price last confirmed 29 days ago
B
Retailer 24
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€1,586 EUR
View
Most Expensive
B
MOH London
LG743546432 · Nov 3
€1,783 EUR
£1,576 GBP
View
24 more retailers have this diamond
Prices start from €299 EURSave up to €1,484 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
1.20ct Marquise
€299 EUR