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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG799676768

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799676768

Diamond specifications and retailer prices

From €462 EUR
As of November 4, 2026
Save €2,149 EUR (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €2,610 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 LG799676768 or 799676768. Listed at 23 retailers as of November 4, 2026, with prices from €462 to €2,610, a €2,149 spread on the same certified stone. Brilliant Earth lists it at €2,610. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676768
Dimensions11.25 × 5.53 × 3.39 mm
L/W Ratio2.03
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
11.25 mm5.53 mm1.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676768
Side View
Table 58.0%Crown 33.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.3%

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: €2,610 EUR|Low: €462 EUR|High: €2,923 EUR|Avg: €1,247 EUR
Brilliant Earth
Retailer 2
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Retailer 22
November 5, 2026
Retailer 15€462 EUR
Retailer 6€517 EUR
Retailer 10€517 EUR
Retailer 5€573 EUR
Retailer 21€627 EUR
Retailer 18€695 EUR
Retailer 4€757 EUR
Retailer 9€757 EUR
Retailer 19€870 EUR
Retailer 16€878 EUR
Retailer 11€888 EUR
Retailer 17€987 EUR
Retailer 2€1,398 EUR
Retailer 20€1,403 EUR
Retailer 3€1,477 EUR
Retailer 22€1,506 EUR
Retailer 8€1,670 EUR
Retailer 14€1,813 EUR
Retailer 7€1,861 EUR
Retailer 12€1,968 EUR
Retailer 13€2,383 EUR
Brilliant Earth€2,610 EUR

42 data points across 22 retailers

23 retailers€462 EUR to €2,610 EUR

A
Cheapest Retailer
-
€462 EUR
A
Retailer 2
-
€517 EUR
View
Final sale: no returns
A
Retailer 3
-
€517 EUR
View
Retailer 4
-
€573 EUR
View
Price last confirmed 21 days ago
A
Retailer 5
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€573 EUR
View
A
Retailer 6
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€627 EUR
View
B+
Retailer 7
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€695 EUR
View
B+
Retailer 8
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€757 EUR
View
B+
Retailer 9
-
€757 EUR
View
Retailer 10
-
€870 EUR
View
Price last confirmed 10 days ago
B+
Retailer 11
-
€878 EUR
View
B+
Retailer 12
-
€888 EUR
View
B+
Retailer 13
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€987 EUR
View
B+
Retailer 14
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€1,398 EUR
View
Retailer 15
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€1,403 EUR
View
Price last confirmed 9 days ago
B
Retailer 16
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€1,477 EUR
View
B+
Retailer 17
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€1,506 EUR
View
B
Retailer 18
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€1,670 EUR
View
B
Retailer 19
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€1,813 EUR
View
B
Retailer 20
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€1,861 EUR
View
B
Retailer 21
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€1,968 EUR
View
B
Retailer 22
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€2,383 EUR
View
Most Expensive
B
Brilliant Earth
19804118A · Nov 4
€2,610 EUR
$2,930 USD
View
22 more retailers have this diamond
Prices start from €462 EURSave up to €2,149 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
€462 EUR