Marquise|Lab Grown|IGI

1.54ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436045125

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436045125

Diamond specifications and retailer prices

From €1,029 EUR
$1,150 USD
As of October 31, 2026
7 retailers carry this diamond
Most expensive: €2,769 EUR at Friendly Diamonds · As of October 10, 2026
View at Friendly Diamonds

About this 1.54ct lab-grown marquise diamond

This 1.54ct lab-grown marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045125 or 436045125. Listed at 7 retailers as of October 31, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045125
Dimensions11.42 × 6.34 × 3.77 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
11.42 mm6.34 mm1.54 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045125
Side View
Table 60.0%Crown 32.6°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 59.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €2,769 EUR|Low: €1,029 EUR|High: €4,415 EUR|Avg: €2,254 EUR
Friendly 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
October 9, 2026
Retailer 9€1,029 EUR
Retailer 8€1,315 EUR
Retailer 13€1,430 EUR
Retailer 3€1,472 EUR
Retailer 10€1,525 EUR
Retailer 14€1,525 EUR
Retailer 4€1,678 EUR
Retailer 5€2,070 EUR
Retailer 2€2,178 EUR
Retailer 11€2,404 EUR
Friendly Diamonds€2,769 EUR
Retailer 12€2,859 EUR
Retailer 6€4,367 EUR
Retailer 7€4,415 EUR

18 data points across 14 retailers

7 retailers

A
Cheapest Retailer
-
€1,029 EUR
$1,150 USD
Retailer 2
-
€1,315 EUR
$1,469 USD
View
Price last confirmed 25 days ago
Retailer 3
-
€1,430 EUR
$1,598 USD
View
Price last confirmed 34 days ago
Retailer 4
-
€1,525 EUR
$1,704 USD
View
Price last confirmed 30 days ago
Retailer 5
-
€2,178 EUR
£1,916 GBP
View
Price last confirmed 24 days ago
Retailer 6
-
€2,404 EUR
$2,686 USD
View
Price last confirmed 26 days ago
Most Expensive
Friendly Diamonds
1587697 · Oct 10
€2,769 EUR
$3,093 USD
View
Price last confirmed 23 days ago
6 more retailers have this diamond
Prices start from €1,029 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
1.54ct Marquise
€1,029 EUR