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Marquise|Lab Grown|IGI

1.74ct G VS1 Marquise Lab Grown Diamond

GD • G/VS1 • IGI LG805669696

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805669696

Diamond specifications and retailer prices

From $2,183 AUD
$1,530 USD
As of November 2, 2026
2 retailers carry this diamond
Most expensive: $2,183 AUD at Brilliant Earth
View at Brilliant Earth

About this 1.74ct lab-grown marquise diamond

This 1.74ct 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 standard cut grade and certified by IGI LG805669696 or 805669696. Listed at 2 retailers as of November 2, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.74
Carat
G
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805669696
Dimensions11.98 × 6.25 × 4.02 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.98 mm6.25 mm1.74 ctG / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805669696
Side View
Table 61.0%Crown 34.2°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 64.3%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 2
Current: $2,183 AUD|Low: $493 AUD|High: $2,283 AUD|Avg: $1,220 AUD|-4.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
August 26, 2026
Retailer 5$493 AUD
Retailer 3$547 AUD
Retailer 9$694 AUD
Retailer 4$768 AUD
Retailer 6$817 AUD
Retailer 2$906 AUD
Retailer 12$1,012 AUD
Retailer 13$1,152 AUD
Retailer 8$1,452 AUD
Retailer 10$1,518 AUD
Retailer 7$1,675 AUD
Retailer 11$1,812 AUD
Brilliant Earth$2,183 AUD

41 data points across 13 retailers

2 retailers

Retailer 1
-
$1,675 AUD
$1,174 USD
Price last confirmed 78 days ago
Most Expensive
C
Brilliant Earth
20041722A · Nov 2
$2,183 AUD
$1,530 USD
View
1 more retailer has this diamond

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.

C
1.74ct Marquise
$2,183 AUD