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Marquise|Lab Grown|IGI

1.55ct G IF Marquise Lab Grown Diamond

ID • G/IF • IGI LG625437613

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG625437613

Diamond specifications and retailer prices

From €423 EUR
As of November 6, 2026
Save €1,575 EUR (79%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: €2,661 EUR at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG625437613 or 625437613. Listed at 29 retailers as of November 6, 2026, with a 372% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625437613
Dimensions11.87 × 5.99 × 3.79 mm
L/W Ratio1.98
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
11.87 mm5.99 mm1.55 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625437613
Side View
Table 61.0%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €801 EUR|Low: €423 EUR|High: €3,349 EUR|Avg: €1,307 EUR|-46.0%
Retailer 1
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 8€423 EUR
Retailer 19€519 EUR
Retailer 7€524 EUR
Retailer 3€607 EUR
Retailer 13€649 EUR
Retailer 18€736 EUR
Retailer 2€739 EUR
Retailer 1€801 EUR
Retailer 12€858 EUR
Retailer 15€903 EUR
Retailer 6€917 EUR
Retailer 9€1,222 EUR
Retailer 17€1,408 EUR
Retailer 4€1,710 EUR
Retailer 10€1,745 EUR
Retailer 11€1,863 EUR
Retailer 14€1,924 EUR
Retailer 5€1,961 EUR
Retailer 16€1,997 EUR

43 data points across 19 retailers

29 retailers€423 EUR to €1,997 EUR

Retailer 1
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€423 EUR
Price last confirmed 30 days ago
A
Retailer 2
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€423 EUR
View
A
Retailer 3
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€473 EUR
View
A
Retailer 4
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€519 EUR
View
Final sale: no returns
Retailer 5
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€524 EUR
View
Price last confirmed 30 days ago
Retailer 6
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€524 EUR
View
Price last confirmed 28 days ago
A
Retailer 7
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€607 EUR
View
A
Retailer 8
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€649 EUR
View
A
Retailer 9
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€736 EUR
View
A
Retailer 10
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€739 EUR
View
A
Retailer 11
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€801 EUR
View
Retailer 12
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€816 EUR
View
Price last confirmed 38 days ago
A
Retailer 13
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€858 EUR
View
Retailer 14
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€888 EUR
View
Price last confirmed 39 days ago
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Retailer 15
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€903 EUR
View
A
Retailer 16
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€917 EUR
View
Retailer 17
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€933 EUR
View
Price last confirmed 39 days ago
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Retailer 18
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€1,222 EUR
View
B+
Retailer 19
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€1,408 EUR
View
Retailer 20
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€1,684 EUR
View
Price last confirmed 28 days ago
B+
Retailer 21
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€1,684 EUR
View
B+
Retailer 22
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€1,684 EUR
View
B+
Retailer 23
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€1,710 EUR
View
B+
Retailer 24
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€1,745 EUR
View
Retailer 25
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€1,863 EUR
View
Price last confirmed 34 days ago
B+
Retailer 26
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€1,924 EUR
View
B+
Retailer 27
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€1,961 EUR
View
B+
Retailer 28
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€1,997 EUR
View
Most Expensive
NZ Jewellers
28d3de19-00bc-4e53-a5e7-040518041d09 · Sep 30
€2,661 EUR
$2,971 USD
View
Price last confirmed 37 days ago
28 more retailers have this diamond
Prices start from €423 EURSave up to €1,575 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
€423 EUR