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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG764689885

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG764689885

Diamond specifications and retailer prices

From €391 EUR
As of November 4, 2026
Save €1,845 EUR (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €2,236 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 LG764689885 or 764689885. Listed at 23 retailers as of November 4, 2026, with prices from €391 to €2,236, a €1,845 spread on the same certified stone. Brilliant Earth lists it at €2,236. 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 angle34.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764689885
Dimensions10.74 × 5.53 × 3.48 mm
L/W Ratio1.94
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
10.74 mm5.53 mm1.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764689885
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

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: €2,236 EUR|Low: €391 EUR|High: €2,610 EUR|Avg: €1,079 EUR|-14.3%
Brilliant Earth
Retailer 2
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Retailer 23
November 5, 2026
Retailer 16€391 EUR
Retailer 10€437 EUR
Retailer 7€438 EUR
Retailer 5€485 EUR
Retailer 23€485 EUR
Retailer 6€535 EUR
Retailer 19€615 EUR
Retailer 9€686 EUR
Retailer 4€733 EUR
Retailer 11€762 EUR
Retailer 20€769 EUR
Retailer 13€794 EUR
Retailer 18€836 EUR
Retailer 2€1,186 EUR
Retailer 3€1,303 EUR
Retailer 21€1,368 EUR
Retailer 8€1,411 EUR
Retailer 14€1,539 EUR
Retailer 22€1,559 EUR
Retailer 15€1,589 EUR
Retailer 12€1,743 EUR
Retailer 17€1,776 EUR
Brilliant Earth€2,236 EUR

38 data points across 23 retailers

23 retailers€391 EUR to €2,236 EUR

A
Cheapest Retailer
-
€391 EUR
A
Retailer 2
-
€437 EUR
View
Final sale: no returns
A
Retailer 3
-
€438 EUR
View
Retailer 4
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€485 EUR
View
Price last confirmed 12 days ago
A
Retailer 5
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€485 EUR
View
A
Retailer 6
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€535 EUR
View
A
Retailer 7
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€615 EUR
View
B+
Retailer 8
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€686 EUR
View
B+
Retailer 9
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€733 EUR
View
B+
Retailer 10
-
€762 EUR
View
Retailer 11
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€769 EUR
View
Price last confirmed 10 days ago
B+
Retailer 12
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€794 EUR
View
B+
Retailer 13
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€836 EUR
View
B+
Retailer 14
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€1,186 EUR
View
B
Retailer 15
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€1,303 EUR
View
Retailer 16
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€1,368 EUR
View
Price last confirmed 9 days ago
B
Retailer 17
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€1,411 EUR
View
B
Retailer 18
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€1,539 EUR
View
B
Retailer 19
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€1,559 EUR
View
B
Retailer 20
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€1,589 EUR
View
B
Retailer 21
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€1,743 EUR
View
B
Retailer 22
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€1,776 EUR
View
Most Expensive
B
Brilliant Earth
19056600A · Nov 4
€2,236 EUR
$2,510 USD
View
22 more retailers have this diamond
Prices start from €391 EURSave up to €1,845 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