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Marquise|Lab Grown|IGI

1.55ct F FL Marquise Lab Grown Diamond

ID • F/FL • IGI LG794620705

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG794620705

Diamond specifications and retailer prices

From €523 EUR
As of November 4, 2026
Save €4,119 EUR (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €4,642 EUR at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG794620705 or 794620705. Listed at 15 retailers as of November 4, 2026, with prices from €523 to €4,642, a €4,119 spread on the same certified stone. Do Amore Diamonds lists it at €4,642. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794620705
Dimensions11.52 × 6.02 × 3.85 mm
L/W Ratio1.91
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
11.52 mm6.02 mm1.55 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794620705
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
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: €4,642 EUR|Low: €523 EUR|High: €6,237 EUR|Avg: €2,156 EUR|-25.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 12€523 EUR
Retailer 6€620 EUR
Retailer 8€622 EUR
Retailer 2€732 EUR
Retailer 9€853 EUR
Retailer 13€866 EUR
Retailer 3€1,083 EUR
Retailer 4€1,657 EUR
Retailer 15€1,834 EUR
Retailer 14€1,883 EUR
Retailer 5€2,120 EUR
Retailer 11€2,202 EUR
Retailer 10€2,814 EUR
Retailer 7€2,869 EUR
Do Amore Diamonds€4,642 EUR

38 data points across 15 retailers

15 retailers€523 EUR to €4,642 EUR

A
Cheapest Retailer
-
€523 EUR
A
Retailer 2
-
€620 EUR
View
A
Retailer 3
-
€622 EUR
View
Final sale: no returns
A
Retailer 4
-
€732 EUR
View
A
Retailer 5
-
€853 EUR
View
A
Retailer 6
-
€866 EUR
View
A
Retailer 7
-
€1,083 EUR
View
B+
Retailer 8
-
€1,657 EUR
View
B+
Retailer 9
-
€1,834 EUR
View
B+
Retailer 10
-
€1,883 EUR
View
B+
Retailer 11
-
€2,120 EUR
View
B
Retailer 12
-
€2,202 EUR
View
B
Retailer 13
-
€2,814 EUR
View
B
Retailer 14
-
€2,869 EUR
View
Most Expensive
B
Do Amore Diamonds
27-989581854 · Nov 5
€4,642 EUR
$5,210 USD
View
14 more retailers have this diamond
Prices start from €523 EURSave up to €4,119 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
1.55ct Marquise
€523 EUR