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Marquise|Lab Grown|IGI

0.37ct F SI1 Marquise Lab Grown Diamond

GD • F/SI1 • IGI LG712591283

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG712591283

Diamond specifications and retailer prices

From £56 GBP
$75 USD
As of November 2, 2026
Save £453 GBP (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £509 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.37ct lab-grown marquise diamond

This 0.37ct lab-grown marquise sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG712591283 or 712591283. Listed at 14 retailers as of November 2, 2026, with prices from £56 to £509, a £453 spread on the same certified stone. MOH London lists it at £509. 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

0.37
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712591283
Dimensions7.54 × 3.65 × 2.29 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.54 mm3.65 mm0.37 ctF / SI1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG712591283
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: £509 GBP|Low: £56 GBP|High: £569 GBP|Avg: £188 GBP|-10.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7£56 GBP
Retailer 5£74 GBP
Retailer 10£74 GBP
Retailer 9£127 GBP
Retailer 2£130 GBP
Retailer 8£153 GBP
Retailer 11£155 GBP
Retailer 4£178 GBP
Retailer 3£201 GBP
Retailer 6£240 GBP
MOH London£509 GBP

41 data points across 11 retailers

14 retailers£56 GBP to £509 GBP

A
Cheapest Retailer
-
£56 GBP
$75 USD
Retailer 2
-
£60 GBP
$80 USD
View
Price last confirmed 31 days ago
Retailer 3
-
£72 GBP
$96 USD
View
Price last confirmed 34 days ago
B+
Retailer 4
-
£74 GBP
$99 USD
View
Retailer 5
-
£74 GBP
$99 USD
View
Price last confirmed 8 days ago
Retailer 6
-
£81 GBP
$109 USD
View
Price last confirmed 35 days ago
B+
Retailer 7
-
£127 GBP
$170 USD
View
B+
Retailer 8
-
£130 GBP
View
B+
Retailer 9
-
£155 GBP
$208 USD
View
B+
Retailer 10
-
£178 GBP
View
Retailer 11
-
£201 GBP
$270 USD
View
Price last confirmed 15 days ago
B
Retailer 12
-
£240 GBP
$322 USD
View
Retailer 13
-
£246 GBP
$330 USD
View
Price last confirmed 33 days ago
Most Expensive
C
MOH London
LG712591283 · Nov 2
£509 GBP
View
13 more retailers have this diamond
Prices start from £56 GBPSave up to £453 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
0.37ct Marquise
£56 GBP