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Marquise|Lab Grown|IGI

0.45ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG749541004

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG749541004

Diamond specifications and retailer prices

From £69 GBP
$93 USD
As of November 2, 2026
Save £561 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £630 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.45ct lab-grown marquise diamond

This 0.45ct lab-grown marquise sits in the sub-half-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG749541004 or 749541004. Listed at 18 retailers as of October 26, 2026, with prices from £69 to £630, a £561 spread on the same certified stone. MOH London lists it at £630. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.45
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749541004
Dimensions8.12 × 3.79 × 2.52 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.12 mm3.79 mm0.45 ctG / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG749541004
Side View
Table 59.0%Crown 33.3°Girdle: STK-THKPavilion 41.6°Culet: NoneDepth 66.5%

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: £630 GBP|Low: £66 GBP|High: £637 GBP|Avg: £201 GBP
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
November 2, 2026
Retailer 12£69 GBP
Retailer 10£80 GBP
Retailer 11£91 GBP
Retailer 13£91 GBP
Retailer 4£118 GBP
Retailer 6£156 GBP
Retailer 7£161 GBP
Retailer 2£161 GBP
Retailer 8£187 GBP
Retailer 9£207 GBP
Retailer 5£257 GBP
Retailer 3£275 GBP
MOH London£630 GBP

44 data points across 13 retailers

18 retailers£69 GBP to £630 GBP

A
Cheapest Retailer
-
£69 GBP
$93 USD
A
Retailer 2
-
£80 GBP
$107 USD
View
A
Retailer 3
-
£91 GBP
$122 USD
View
Retailer 4
-
£91 GBP
$122 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£105 GBP
HK$1,100 HKD
View
A
Retailer 6
-
£118 GBP
$158 USD
View
A
Retailer 7
-
£156 GBP
ZAR 3,368 ZAR
View
A
Retailer 8
-
£161 GBP
€205 EUR
View
A
Retailer 9
-
£161 GBP
View
A
Retailer 10
-
£165 GBP
€211 EUR
View
A
Retailer 11
-
£187 GBP
$250 USD
View
B+
Retailer 12
-
£207 GBP
View
B+
Retailer 13
-
£246 GBP
SGD 445 SGD
View
B+
Retailer 14
-
£257 GBP
$344 USD
View
B+
Retailer 15
-
£275 GBP
$369 USD
View
B
Retailer 16
-
£320 GBP
$428 USD
View
B
Retailer 17
-
£455 GBP
View
Most Expensive
B
MOH London
LG749541004 · Oct 26
£630 GBP
View
17 more retailers have this diamond
Prices start from £69 GBPSave up to £561 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
0.45ct Marquise
£69 GBP