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Marquise|Lab Grown|IGI

0.54ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG785606166

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG785606166

Diamond specifications and retailer prices

From £60 GBP
$81 USD
As of October 21, 2026
11 retailers carry this diamond
Most expensive: £554 GBP at MOH London · As of October 21, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG785606166 or 785606166. Listed at 11 retailers as of October 21, 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

0.54
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle29°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG785606166
Dimensions8.18 × 4.35 × 2.70 mm
L/W Ratio1.88
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
8.18 mm4.35 mm0.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG785606166
Side View
Table 61.0%Crown 29°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.1%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 21
Current: £554 GBP|Low: £60 GBP|High: £812 GBP|Avg: £200 GBP|-31.9%
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
October 22, 2026
Retailer 9£60 GBP
Retailer 10£68 GBP
Retailer 6£80 GBP
Retailer 4£101 GBP
Retailer 2£125 GBP
Retailer 3£127 GBP
Retailer 7£159 GBP
Retailer 11£163 GBP
Retailer 13£183 GBP
Retailer 12£192 GBP
Retailer 8£250 GBP
Retailer 5£299 GBP
MOH London£554 GBP

26 data points across 13 retailers

11 retailers£60 GBP to £554 GBP

Retailer 1
-
£60 GBP
$81 USD
Price last confirmed 9 days ago
Retailer 2
-
£80 GBP
$107 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£101 GBP
$135 USD
View
Price last confirmed 14 days ago
Retailer 4
-
£125 GBP
View
Price last confirmed 8 days ago
Retailer 5
-
£127 GBP
$170 USD
View
Price last confirmed 12 days ago
Retailer 6
-
£159 GBP
$213 USD
View
Price last confirmed 7 days ago
Retailer 7
-
£163 GBP
$219 USD
View
Price last confirmed 9 days ago
Retailer 8
-
£192 GBP
View
Price last confirmed 7 days ago
Retailer 9
-
£250 GBP
$335 USD
View
Price last confirmed 9 days ago
Retailer 10
-
£299 GBP
$400 USD
View
Price last confirmed 7 days ago
Most Expensive
MOH London
LG785606166 · Oct 21
£554 GBP
View
Price last confirmed 9 days ago
10 more retailers have this diamond

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.

0.54ct Marquise
£60 GBP