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Marquise|Lab Grown|IGI

1.43ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG775636855

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG775636855

Diamond specifications and retailer prices

From £221 GBP
$295 USD
As of October 30, 2026
Save £1,213 GBP (85%) 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 LG775636855 or 775636855. Listed at 14 retailers as of October 26, 2026, with prices from £221 to £1,434, a £1,213 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775636855
Dimensions5.92 × 5.92 × 3.84 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
5.92 mm5.92 mm1.43 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775636855
Side View
Table 61.0%Crown 35.9°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 64.9%

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: £1,434 GBP|Low: £221 GBP|High: £1,434 GBP|Avg: £497 GBP
Do Amore Diamonds
Retailer 2
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Retailer 18
October 28, 2026
Retailer 4£221 GBP
Retailer 3£249 GBP
Retailer 13£257 GBP
Retailer 8£326 GBP
Retailer 14£331 GBP
Retailer 17£346 GBP
Retailer 7£381 GBP
Retailer 5£421 GBP
Retailer 9£435 GBP
Retailer 12£599 GBP
Retailer 2£620 GBP
Retailer 10£651 GBP
Retailer 18£670 GBP
Retailer 6£687 GBP
Retailer 11£764 GBP
Retailer 15£823 GBP
Retailer 16£1,141 GBP
Do Amore Diamonds£1,434 GBP

15 data points across 18 retailers

14 retailers£221 GBP to £1,434 GBP

A
Cheapest Retailer
-
£221 GBP
$295 USD
B+
Retailer 2
-
£249 GBP
$332 USD
View
A
Retailer 3
-
£257 GBP
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
-
£599 GBP
$798 USD
View
B+
Retailer 8
-
£620 GBP
$825 USD
View
B+
Retailer 9
-
£670 GBP
$892 USD
View
Retailer 10
-
£687 GBP
A$1,408 AUD
View
Price last confirmed 22 days ago
B
Retailer 11
-
£764 GBP
$1,018 USD
View
B
Retailer 12
-
£823 GBP
View
B
Retailer 13
-
£1,141 GBP
$1,520 USD
View
Most Expensive
B
Do Amore Diamonds
27-5097D74A4 · Oct 26
£1,434 GBP
$1,910 USD
View
13 more retailers have this diamond
Prices start from £221 GBPSave up to £1,213 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
£221 GBP