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Marquise|Lab Grown|IGI

1.50ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG831685205

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831685205

Diamond specifications and retailer prices

From £180 GBP
$241 USD
As of November 2, 2026
Save £731 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £911 GBP at With Clarity · As of November 1, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831685205 or 831685205. Listed at 15 retailers as of November 1, 2026, with prices from £180 to £911, a £731 spread on the same certified stone. With Clarity lists it at £911. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831685205
Dimensions11.51 × 6.06 × 3.69 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.51 mm6.06 mm1.50 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831685205
Side View
Table 61.0%Crown 35.8°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 60.9%

Caratlytics Score

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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: £260 GBP|Low: £180 GBP|High: £911 GBP|Avg: £571 GBP|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
With Clarity
November 2, 2026
Retailer 7£180 GBP
Retailer 9£208 GBP
Retailer 12£223 GBP
Retailer 1£260 GBP
Retailer 5£376 GBP
Retailer 3£382 GBP
Retailer 10£384 GBP
Retailer 8£418 GBP
Retailer 4£465 GBP
Retailer 13£715 GBP
Retailer 2£719 GBP
Retailer 11£749 GBP
Retailer 6£754 GBP
Retailer 14£806 GBP
With Clarity£911 GBP

6 data points across 15 retailers

15 retailers£180 GBP to £911 GBP

A
Cheapest Retailer
-
£180 GBP
$241 USD
A
Retailer 2
-
£208 GBP
$279 USD
View
A
Retailer 3
-
£223 GBP
$299 USD
View
A
Retailer 4
-
£260 GBP
View
A
Retailer 5
-
£376 GBP
$504 USD
View
A
Retailer 6
-
£382 GBP
$513 USD
View
A
Retailer 7
-
£384 GBP
ZAR 8,331 ZAR
View
A
Retailer 8
-
£418 GBP
View
A
Retailer 9
-
£465 GBP
$624 USD
View
B+
Retailer 10
-
£715 GBP
$960 USD
View
B+
Retailer 11
-
£719 GBP
SGD 1,304 SGD
View
B
Retailer 12
-
£749 GBP
$1,005 USD
View
B
Retailer 13
-
£754 GBP
$1,012 USD
View
B+
Retailer 14
-
£806 GBP
$1,081 USD
View
Most Expensive
B
With Clarity
831685205 · Nov 1
£911 GBP
$1,222 USD
View
14 more retailers have this diamond
Prices start from £180 GBPSave up to £731 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
£180 GBP