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Marquise|Lab Grown|IGI

1.43ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG790621564

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790621564

Diamond specifications and retailer prices

From £149 GBP
$199 USD
As of October 23, 2026
Save £1,285 GBP (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,434 GBP at Do Amore Diamonds · As of October 26, 2026
View at Do Amore 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 LG790621564 or 790621564. Listed at 14 retailers as of October 23, 2026, with prices from £149 to £1,434, a £1,285 spread on the same certified stone. Do Amore Diamonds lists it at £1,434. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790621564
Dimensions5.92 × 5.92 × 3.77 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.92 mm5.92 mm1.43 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790621564
Side View
Table 62.0%Crown 37.6°Girdle: MED-STKPavilion 39°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 23
Current: £1,434 GBP|Low: £116 GBP|High: £1,637 GBP|Avg: £508 GBP|-12.4%
Do Amore Diamonds
Retailer 2
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October 25, 2026
Retailer 12£116 GBP
Retailer 18£149 GBP
Retailer 3£221 GBP
Retailer 20£249 GBP
Retailer 11£301 GBP
Retailer 2£331 GBP
Retailer 6£341 GBP
Retailer 16£346 GBP
Retailer 10£363 GBP
Retailer 4£421 GBP
Retailer 14£500 GBP
Retailer 19£599 GBP
Retailer 7£623 GBP
Retailer 9£658 GBP
Retailer 17£670 GBP
Retailer 5£687 GBP
Retailer 13£823 GBP
Retailer 8£883 GBP
Retailer 15£1,141 GBP
Do Amore Diamonds£1,434 GBP

17 data points across 20 retailers

14 retailers£149 GBP to £1,434 GBP

A
Cheapest Retailer
-
£149 GBP
$199 USD
A
Retailer 2
-
£221 GBP
$295 USD
View
B+
Retailer 3
-
£249 GBP
$332 USD
View
A
Retailer 4
-
£331 GBP
€420 EUR
View
A
Retailer 5
-
£346 GBP
$461 USD
View
A
Retailer 6
-
£421 GBP
$560 USD
View
B+
Retailer 7
-
£500 GBP
A$1,024 AUD
View
B+
Retailer 8
-
£599 GBP
$798 USD
View
Retailer 9
-
£658 GBP
$876 USD
View
Price last confirmed 50 days ago
B+
Retailer 10
-
£670 GBP
$892 USD
View
Retailer 11
-
£687 GBP
A$1,408 AUD
View
Price last confirmed 21 days ago
B
Retailer 12
-
£823 GBP
View
B
Retailer 13
-
£1,141 GBP
$1,520 USD
View
Most Expensive
B
Do Amore Diamonds
27-B446413A6 · Oct 26
£1,434 GBP
$1,910 USD
View
13 more retailers have this diamond
Prices start from £149 GBPSave up to £1,285 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
£149 GBP