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Marquise|Lab Grown|IGI

1.43ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG823696095

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823696095

Diamond specifications and retailer prices

From £181 GBP
$241 USD
As of October 27, 2026
Save £753 GBP (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £934 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.43ct lab-grown marquise diamond

This 1.43ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823696095 or 823696095. Listed at 23 retailers as of October 25, 2026, with prices from £181 to £934, a £753 spread on the same certified stone. Reve Diamonds lists it at £934. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823696095
Dimensions11.42 × 5.97 × 3.74 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.42 mm5.97 mm1.43 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823696095
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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: Oct 27
Current: £819 GBP|Low: £181 GBP|High: £945 GBP|Avg: £516 GBP|-7.6%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
October 28, 2026
Retailer 8£181 GBP
Retailer 5£221 GBP
Retailer 12£252 GBP
Retailer 15£326 GBP
Retailer 17£340 GBP
Retailer 4£345 GBP
Retailer 13£370 GBP
Retailer 18£438 GBP
Retailer 7£439 GBP
Retailer 11£491 GBP
Retailer 3£526 GBP
Retailer 2£635 GBP
Retailer 9£651 GBP
Retailer 14£660 GBP
Retailer 10£686 GBP
Retailer 6£689 GBP
Retailer 16£807 GBP
Retailer 1£819 GBP
Reve Diamonds£934 GBP

33 data points across 19 retailers

23 retailers£181 GBP to £934 GBP

Retailer 1
-
£176 GBP
$235 USD
Price last confirmed 30 days ago
A
Retailer 2
-
£181 GBP
$241 USD
View
Final sale: no returns
Retailer 3
-
£205 GBP
$273 USD
View
Price last confirmed 31 days ago
Retailer 4
-
£216 GBP
$288 USD
View
Price last confirmed 31 days ago
A
Retailer 5
-
£221 GBP
HK$2,300 HKD
View
A
Retailer 6
-
£252 GBP
View
A
Retailer 7
-
£326 GBP
€413 EUR
View
Retailer 8
-
£340 GBP
ZAR 7,311 ZAR
View
Price last confirmed 7 days ago
A
Retailer 9
-
£345 GBP
$459 USD
View
A
Retailer 10
-
£370 GBP
View
B+
Retailer 11
-
£438 GBP
A$898 AUD
View
A
Retailer 12
-
£439 GBP
$584 USD
View
B+
Retailer 13
-
£491 GBP
A$1,006 AUD
View
B+
Retailer 14
-
£526 GBP
$700 USD
View
B+
Retailer 15
-
£635 GBP
$845 USD
View
B+
Retailer 16
-
£651 GBP
SGD 1,171 SGD
View
B+
Retailer 17
-
£660 GBP
A$1,353 AUD
View
B
Retailer 18
-
£686 GBP
$913 USD
View
B
Retailer 19
-
£689 GBP
$918 USD
View
Retailer 20
-
£704 GBP
$938 USD
View
Price last confirmed 29 days ago
B
Retailer 21
-
£807 GBP
View
B
Retailer 22
-
£819 GBP
$1,090 USD
View
Most Expensive
B
Reve Diamonds
C95A6774F · Oct 25
£934 GBP
$1,244 USD
View
22 more retailers have this diamond
Prices start from £181 GBPSave up to £753 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
1.43ct Marquise
£181 GBP