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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 €391 EUR
$439 USD
As of November 2, 2026
Save €1,503 EUR (79%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €1,895 EUR at With Clarity · As of November 2, 2026
View at With Clarity

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 2, 2026, with prices from €391 to €1,895, a €1,503 spread on the same certified stone. With Clarity lists it at €1,895. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €838 EUR|Low: €241 EUR|High: €1,895 EUR|Avg: €1,039 EUR|-3.5%
Retailer 1
Retailer 2
Retailer 3
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Retailer 12
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Retailer 18
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Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
With Clarity
November 2, 2026
Retailer 5€391 EUR
Retailer 2€439 EUR
Retailer 18€481 EUR
Retailer 4€486 EUR
Retailer 8€559 EUR
Retailer 24€624 EUR
Retailer 14€687 EUR
Retailer 9€687 EUR
Retailer 13€734 EUR
Retailer 22€779 EUR
Retailer 12€796 EUR
Retailer 1€838 EUR
Retailer 23€914 EUR
Retailer 11€1,130 EUR
Retailer 21€1,183 EUR
Retailer 7€1,305 EUR
Retailer 3€1,360 EUR
Retailer 17€1,504 EUR
Retailer 6€1,561 EUR
Retailer 20€1,587 EUR
Retailer 10€1,591 EUR
Retailer 16€1,623 EUR
Retailer 15€1,745 EUR
Retailer 19€1,785 EUR
With Clarity€1,895 EUR

28 data points across 25 retailers

25 retailers€391 EUR to €1,895 EUR

A
Cheapest Retailer
-
€391 EUR
$439 USD
A
Retailer 2
-
€439 EUR
$492 USD
View
A
Retailer 3
-
€481 EUR
$539 USD
View
Final sale: no returns
A
Retailer 4
-
€486 EUR
$545 USD
View
A
Retailer 5
-
€559 EUR
HK$4,900 HKD
View
A
Retailer 6
-
€624 EUR
$700 USD
View
A
Retailer 7
-
€687 EUR
$770 USD
View
A
Retailer 8
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€687 EUR
$771 USD
View
B+
Retailer 9
-
€734 EUR
$823 USD
View
B+
Retailer 10
-
€779 EUR
View
B+
Retailer 11
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€796 EUR
£703 GBP
View
B+
Retailer 12
-
€838 EUR
ZAR 15,176 ZAR
View
B+
Retailer 13
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€914 EUR
A$1,578 AUD
View
Retailer 14
-
€1,130 EUR
$1,267 USD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
€1,183 EUR
A$2,042 AUD
View
B
Retailer 16
-
€1,305 EUR
$1,464 USD
View
B+
Retailer 17
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€1,360 EUR
$1,525 USD
View
Retailer 18
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€1,504 EUR
A$2,596 AUD
View
Price last confirmed 25 days ago
B
Retailer 19
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€1,561 EUR
$1,751 USD
View
B
Retailer 20
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€1,587 EUR
$1,780 USD
View
B
Retailer 21
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€1,591 EUR
$1,784 USD
View
B
Retailer 22
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€1,623 EUR
SGD 2,460 SGD
View
B
Retailer 23
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€1,745 EUR
$1,957 USD
View
B
Retailer 24
-
€1,785 EUR
£1,576 GBP
View
Most Expensive
B
With Clarity
743546432 · Nov 2
€1,895 EUR
$2,125 USD
View
24 more retailers have this diamond
Prices start from €391 EURSave up to €1,503 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
€391 EUR