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Marquise|Lab Grown|IGI

0.53ct D SI1 Marquise Lab Grown Diamond

GD • D/SI1 • IGI LG739564937

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG739564937

Diamond specifications and retailer prices

From £160 GBP
$214 USD
As of November 1, 2026
Save £446 GBP (74%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £606 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.53ct lab-grown marquise diamond

This 0.53ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG739564937 or 739564937. Listed at 4 retailers as of November 1, 2026, with prices from £160 to £606, a £446 spread on the same certified stone. MOH London lists it at £606. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.53
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceNone
Crown angle34.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739564937
Dimensions8.34 × 4.21 × 2.53 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizeA
Cert comments
As Grown - No indication of post-growth treatment.. This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process.
Top View
8.34 mm4.21 mm0.53 ctD / SI1
OriginLab Grown
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI LG739564937
Side View
Table 64.0%Crown 34.3°Girdle: STK-VTKPavilion 39.2°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £606 GBP|Low: £160 GBP|High: £613 GBP|Avg: £270 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4£160 GBP
Retailer 5£169 GBP
Retailer 3£211 GBP
Retailer 2£220 GBP
MOH London£606 GBP

41 data points across 5 retailers

4 retailers£160 GBP to £606 GBP

B+
Cheapest Retailer
-
£160 GBP
$214 USD
B
Retailer 2
-
£211 GBP
$283 USD
View
B
Retailer 3
-
£220 GBP
View
Most Expensive
C
MOH London
LG739564937 · Nov 1
£606 GBP
View
3 more retailers have this diamond
Prices start from £160 GBPSave up to £446 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.

B+
0.53ct Marquise
£160 GBP