Marquise|Lab Grown|IGI

1.43ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG577381029

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG577381029

Diamond specifications and retailer prices

From €346 EUR
$388 USD
As of October 28, 2026
Save €1,161 EUR (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,507 EUR at Do Amore Diamonds · As of October 29, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG577381029 or 577381029. Listed at 8 retailers as of October 28, 2026, with prices from €346 to €1,507, a €1,161 spread on the same certified stone. Do Amore Diamonds lists it at €1,507. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577381029
Dimensions11.47 × 5.99 × 3.78 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.47 mm5.99 mm1.43 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577381029
Side View
Table 58.0%Crown 34.4°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 63.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: €1,507 EUR|Low: €157 EUR|High: €1,694 EUR|Avg: €755 EUR|-11.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 5€157 EUR
Retailer 7€346 EUR
Retailer 3€524 EUR
Retailer 4€661 EUR
Retailer 8€693 EUR
Retailer 6€820 EUR
Retailer 2€1,010 EUR
Do Amore Diamonds€1,507 EUR

8 data points across 8 retailers

8 retailers€346 EUR to €1,507 EUR

Retailer 1
-
€157 EUR
$176 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
€346 EUR
$388 USD
View
Retailer 3
-
€524 EUR
A$904 AUD
View
Price last confirmed 7 days ago
Retailer 4
-
€661 EUR
$741 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
€693 EUR
$777 USD
View
B+
Retailer 6
-
€820 EUR
$920 USD
View
B+
Retailer 7
-
€1,010 EUR
£892 GBP
View
Most Expensive
B
Do Amore Diamonds
27-796C378AC · Oct 29
€1,507 EUR
$1,690 USD
View
7 more retailers have this diamond
Prices start from €346 EURSave up to €1,161 EUR

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.

B+
1.43ct Marquise
€346 EUR