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Marquise|Lab Grown|IGI

0.54ct I SI1 Marquise Lab Grown Diamond

ID • I/SI1 • IGI LG436047417

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436047417

Diamond specifications and retailer prices

From €258 EUR
$289 USD
As of November 2, 2026
Save €1,022 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,280 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.54ct lab-grown marquise diamond

This 0.54ct lab-grown marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047417 or 436047417. Listed at 11 retailers as of November 1, 2026, with prices from €258 to €1,280, a €1,022 spread on the same certified stone. MOH London lists it at €1,280. 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

0.54
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047417
Dimensions7.91 × 4.35 × 2.78 mm
L/W Ratio1.82
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.91 mm4.35 mm0.54 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436047417
Side View
Table 59.0%Crown 32.1°Girdle: MED-THKPavilion 42.1°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €1,280 EUR|Low: €247 EUR|High: €1,295 EUR|Avg: €621 EUR
MOH London
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
November 1, 2026
Retailer 9€258 EUR
Retailer 3€288 EUR
Retailer 13€299 EUR
Retailer 2€303 EUR
Retailer 10€319 EUR
Retailer 14€319 EUR
Retailer 4€459 EUR
Retailer 12€524 EUR
Retailer 7€590 EUR
Retailer 5€640 EUR
Retailer 8€982 EUR
Retailer 11€1,027 EUR
MOH London€1,280 EUR
Retailer 6€1,284 EUR

23 data points across 14 retailers

11 retailers€258 EUR to €1,280 EUR

A
Cheapest Retailer
-
€258 EUR
$289 USD
A
Retailer 2
-
€288 EUR
$323 USD
View
Final sale: no returns
A
Retailer 3
-
€299 EUR
$335 USD
View
A
Retailer 4
-
€303 EUR
$340 USD
View
Retailer 5
-
€319 EUR
$358 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€319 EUR
$358 USD
View
B
Retailer 7
-
€524 EUR
$588 USD
View
Retailer 8
-
€590 EUR
View
Price last confirmed 8 days ago
B
Retailer 9
-
€982 EUR
$1,101 USD
View
B
Retailer 10
-
€1,027 EUR
$1,152 USD
View
Most Expensive
B
MOH London
LG436047417 · Nov 1
€1,280 EUR
£1,130 GBP
View
10 more retailers have this diamond
Prices start from €258 EURSave up to €1,022 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
0.54ct Marquise
€258 EUR