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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 $690 NZD
$388 USD
As of October 28, 2026
Save $2,314 NZD (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,004 NZD 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 $690 to $3,004, a $2,314 spread on the same certified stone. Do Amore Diamonds lists it at $3,004. 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

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $3,004 NZD|Low: $313 NZD|High: $3,377 NZD|Avg: $1,506 NZD|-11.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 5$313 NZD
Retailer 7$690 NZD
Retailer 3$1,044 NZD
Retailer 4$1,317 NZD
Retailer 8$1,382 NZD
Retailer 6$1,635 NZD
Retailer 2$2,013 NZD
Do Amore Diamonds$3,004 NZD

8 data points across 8 retailers

8 retailers$690 NZD to $3,004 NZD

Retailer 1
-
$313 NZD
$176 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
$690 NZD
$388 USD
View
Retailer 3
-
$1,044 NZD
A$904 AUD
View
Price last confirmed 7 days ago
Retailer 4
-
$1,317 NZD
$741 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$1,382 NZD
$777 USD
View
B+
Retailer 6
-
$1,635 NZD
$920 USD
View
B+
Retailer 7
-
$2,013 NZD
£892 GBP
View
Most Expensive
B
Do Amore Diamonds
27-796C378AC · Oct 29
$3,004 NZD
$1,690 USD
View
7 more retailers have this diamond
Prices start from $690 NZDSave up to $2,314 NZD

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
$690 NZD