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Marquise|Lab Grown|IGI

1.50ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG849659193

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG849659193

Diamond specifications and retailer prices

From £270 GBP
As of November 4, 2026
Save £539 GBP (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £809 GBP at With Clarity · As of November 5, 2026
View at With Clarity

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG849659193 or 849659193. Listed at 8 retailers as of November 4, 2026, with prices from £270 to £809, a £539 spread on the same certified stone. With Clarity lists it at £809. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849659193
Dimensions12.16 × 6.01 × 3.50 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.16 mm6.01 mm1.50 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849659193
Side View
Table 61.0%Crown 31.8°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 58.2%

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 4
Current: £368 GBP|Low: £270 GBP|High: £809 GBP|Avg: £561 GBP|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
November 5, 2026
Retailer 4£270 GBP
Retailer 5£352 GBP
Retailer 1£368 GBP
Retailer 2£652 GBP
Retailer 6£683 GBP
Retailer 3£803 GBP
With Clarity£809 GBP

9 data points across 7 retailers

8 retailers£270 GBP to £809 GBP

B+
Cheapest Retailer
-
£270 GBP
A
Retailer 2
-
£352 GBP
View
A
Retailer 3
-
£368 GBP
View
B+
Retailer 4
-
£652 GBP
View
B+
Retailer 5
-
£683 GBP
View
B
Retailer 6
-
£800 GBP
View
B+
Retailer 7
-
£803 GBP
View
Most Expensive
B
With Clarity
849659193 · Nov 5
£809 GBP
$1,092 USD
View
7 more retailers have this diamond
Prices start from £270 GBPSave up to £539 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
1.50ct Marquise
£270 GBP