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Marquise|Lab Grown|IGI

0.30ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG544261535

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG544261535

Diamond specifications and retailer prices

From £63 GBP
$85 USD
As of October 30, 2026
Save £556 GBP (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £619 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 0.3ct lab-grown marquise diamond

This 0.3ct 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 LG544261535 or 544261535. Listed at 12 retailers as of October 30, 2026, with prices from £63 to £619, a £556 spread on the same certified stone. Brilliant Earth lists it at £619. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.30
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544261535
Dimensions7.14 × 3.44 × 2.19 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.14 mm3.44 mm0.30 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG544261535
Side View
Table 62.0%Crown 33.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.7%

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: Oct 30
Current: £142 GBP|Low: £60 GBP|High: £583 GBP|Avg: £190 GBP|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7£63 GBP
Retailer 11£73 GBP
Retailer 2£84 GBP
Retailer 8£84 GBP
Retailer 5£142 GBP
Retailer 1£142 GBP
Retailer 10£169 GBP
Retailer 6£201 GBP
Retailer 3£246 GBP
Retailer 9£252 GBP
Retailer 4£576 GBP

43 data points across 11 retailers

12 retailers£63 GBP to £619 GBP

A
Cheapest Retailer
-
£63 GBP
$85 USD
A
Retailer 2
-
£73 GBP
$98 USD
View
A
Retailer 3
-
£84 GBP
$112 USD
View
Retailer 4
-
£84 GBP
$112 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£142 GBP
View
B+
Retailer 6
-
£142 GBP
ZAR 3,080 ZAR
View
B+
Retailer 7
-
£169 GBP
$226 USD
View
B+
Retailer 8
-
£201 GBP
View
B
Retailer 9
-
£246 GBP
$330 USD
View
B
Retailer 10
-
£252 GBP
$338 USD
View
B
Retailer 11
-
£576 GBP
View
Most Expensive
B
Brilliant Earth
8612182A · Oct 31
£619 GBP
$830 USD
View
11 more retailers have this diamond
Prices start from £63 GBPSave up to £556 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
0.30ct Marquise
£63 GBP