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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 $251 AUD
$176 USD
As of October 27, 2026
Save $2,160 AUD (90%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,411 AUD 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 27, 2026, with prices from $251 to $2,411, a $2,160 spread on the same certified stone. Do Amore Diamonds lists it at $2,411. 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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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: $2,411 AUD|Low: $251 AUD|High: $2,711 AUD|Avg: $1,209 AUD|-11.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 5$251 AUD
Retailer 7$554 AUD
Retailer 3$838 AUD
Retailer 4$1,057 AUD
Retailer 8$1,109 AUD
Retailer 6$1,313 AUD
Retailer 2$1,616 AUD
Do Amore Diamonds$2,411 AUD

8 data points across 8 retailers

8 retailers$251 AUD to $2,411 AUD

A
Cheapest Retailer
-
$251 AUD
$176 USD
B+
Retailer 2
-
$554 AUD
$388 USD
View
A
Retailer 3
-
$838 AUD
View
Retailer 4
-
$1,057 AUD
$741 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$1,109 AUD
$777 USD
View
B+
Retailer 6
-
$1,313 AUD
$920 USD
View
B+
Retailer 7
-
$1,616 AUD
£892 GBP
View
Most Expensive
B
Do Amore Diamonds
27-796C378AC · Oct 29
$2,411 AUD
$1,690 USD
View
7 more retailers have this diamond
Prices start from $251 AUDSave up to $2,160 AUD

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
$251 AUD