Marquise|Lab Grown|IGI

0.54ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG803662053

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG803662053

Diamond specifications and retailer prices

From £105 GBP
HK$1,100 HKD
As of November 1, 2026
Save £201 GBP (66%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £635 GBP at MOH London · As of October 25, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG803662053 or 803662053. Listed at 16 retailers as of October 28, 2026, with a 191% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle28.8°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803662053
Dimensions8.91 × 4.15 × 2.62 mm
L/W Ratio2.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.91 mm4.15 mm0.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG803662053
Side View
Table 54.0%Crown 28.8°Girdle: VTN-STKPavilion 41.9°Culet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £635 GBP|Low: £69 GBP|High: £670 GBP|Avg: £212 GBP|-4.1%
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
Retailer 15
October 25, 2026
Retailer 9£69 GBP
Retailer 6£78 GBP
Retailer 8£81 GBP
Retailer 14£92 GBP
Retailer 13£149 GBP
Retailer 2£154 GBP
Retailer 15£161 GBP
Retailer 4£181 GBP
Retailer 12£190 GBP
Retailer 5£221 GBP
Retailer 7£246 GBP
Retailer 3£260 GBP
Retailer 11£278 GBP
Retailer 10£306 GBP
MOH London£635 GBP

35 data points across 15 retailers

16 retailers£105 GBP to £306 GBP

Retailer 1
-
£69 GBP
$93 USD
Price last confirmed 9 days ago
Retailer 2
-
£81 GBP
$108 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£92 GBP
$123 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
£105 GBP
HK$1,100 HKD
View
Retailer 5
-
£149 GBP
$200 USD
View
Price last confirmed 14 days ago
Retailer 6
-
£154 GBP
View
Price last confirmed 7 days ago
Retailer 7
-
£161 GBP
€206 EUR
View
Price last confirmed 7 days ago
Retailer 8
-
£181 GBP
$242 USD
View
Price last confirmed 14 days ago
B+
Retailer 9
-
£190 GBP
$255 USD
View
Retailer 10
-
£221 GBP
View
Price last confirmed 9 days ago
Retailer 11
-
£246 GBP
SGD 445 SGD
View
Price last confirmed 8 days ago
Retailer 12
-
£260 GBP
$349 USD
View
Price last confirmed 8 days ago
Retailer 13
-
£278 GBP
$372 USD
View
Price last confirmed 13 days ago
Retailer 14
-
£306 GBP
$410 USD
View
Price last confirmed 8 days ago
B
Retailer 15
-
£306 GBP
$410 USD
View
Most Expensive
MOH London
LG803662053 · Oct 25
£635 GBP
View
Price last confirmed 7 days ago
15 more retailers have this diamond
Prices start from £105 GBPSave up to £201 GBP

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
£105 GBP