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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 €573 EUR
$640 USD
As of November 2, 2026
Save €4,511 EUR (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €5,084 EUR at Do Amore Diamonds · As of November 2, 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 12 retailers as of November 2, 2026, with prices from €573 to €5,084, a €4,511 spread on the same certified stone. Do Amore Diamonds lists it at €5,084. 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
Color
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

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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 2
Current: €5,084 EUR|Low: €573 EUR|High: €6,266 EUR|Avg: €2,268 EUR|-18.9%
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 2, 2026
Retailer 10€573 EUR
Retailer 13€623 EUR
Retailer 2€807 EUR
Retailer 12€1,086 EUR
Retailer 14€1,137 EUR
Retailer 8€1,649 EUR
Retailer 5€1,755 EUR
Retailer 6€2,023 EUR
Retailer 11€2,062 EUR
Retailer 9€2,130 EUR
Retailer 4€2,176 EUR
Retailer 3€2,882 EUR
Retailer 15€3,027 EUR
Retailer 7€3,753 EUR
Do Amore Diamonds€5,084 EUR

35 data points across 15 retailers

12 retailers€573 EUR to €5,084 EUR

A
Cheapest Retailer
-
€573 EUR
$640 USD
A
Retailer 2
-
€623 EUR
$696 USD
View
A
Retailer 3
-
€807 EUR
£710 GBP
View
A
Retailer 4
-
€1,086 EUR
$1,213 USD
View
A
Retailer 5
-
€1,137 EUR
$1,270 USD
View
B+
Retailer 6
-
€1,649 EUR
$1,842 USD
View
B+
Retailer 7
-
€2,062 EUR
$2,304 USD
View
B+
Retailer 8
-
€2,130 EUR
$2,380 USD
View
B+
Retailer 9
-
€2,176 EUR
$2,431 USD
View
B
Retailer 10
-
€2,882 EUR
$3,220 USD
View
B
Retailer 11
-
€3,027 EUR
£2,663 GBP
View
Most Expensive
B
Do Amore Diamonds
27-989581854 · Nov 2
€5,084 EUR
$5,680 USD
View
11 more retailers have this diamond
Prices start from €573 EURSave up to €4,511 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
€573 EUR