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Marquise|Lab Grown|IGI

1.89ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG840655923

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840655923

Diamond specifications and retailer prices

From $1,039 NZD
£460 GBP
As of October 27, 2026
Save $1,716 NZD (62%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,755 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.89ct lab-grown marquise diamond

This 1.89ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840655923 or 840655923. Listed at 2 retailers as of October 27, 2026, with prices from $1,039 to $2,755, a $1,716 spread on the same certified stone. Brilliant Earth lists it at $2,755. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840655923
Dimensions12.51 × 6.60 × 4.07 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.51 mm6.60 mm1.89 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840655923
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $2,755 NZD|Low: $482 NZD|High: $2,897 NZD|Avg: $1,637 NZD|-4.9%
Brilliant Earth
Retailer 2
Retailer 3
October 27, 2026
Retailer 3$482 NZD
Retailer 2$1,039 NZD
Brilliant Earth$2,755 NZD

23 data points across 3 retailers

2 retailers$1,039 NZD to $2,755 NZD

A
Cheapest Retailer
-
$1,039 NZD
£460 GBP
Most Expensive
B
Brilliant Earth
21612598A · Nov 2
$2,755 NZD
$1,550 USD
View
1 more retailer has this diamond
Prices start from $1,039 NZDSave up to $1,716 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.

A
1.89ct Marquise
$1,039 NZD