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Marquise|Lab Grown|IGI

1.69ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG818697011

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818697011

Diamond specifications and retailer prices

From $350 AUD
$245 USD
As of November 3, 2026
Save $1,405 AUD (80%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,755 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.69ct lab-grown marquise diamond

This 1.69ct 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 LG818697011 or 818697011. Listed at 3 retailers as of November 2, 2026, with prices from $350 to $1,755, a $1,405 spread on the same certified stone. Brilliant Earth lists it at $1,755. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.69
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818697011
Dimensions12.33 × 6.19 × 3.93 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.33 mm6.19 mm1.69 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818697011
Side View
Table 60.0%Crown 34.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: $1,755 AUD|Low: $350 AUD|High: $2,740 AUD|Avg: $958 AUD|-35.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 3$350 AUD
Retailer 5$611 AUD
Retailer 4$631 AUD
Retailer 2$746 AUD
Brilliant Earth$1,755 AUD

38 data points across 5 retailers

3 retailers$350 AUD to $1,755 AUD

A
Cheapest Retailer
-
$350 AUD
$245 USD
Final sale: no returns
A
Retailer 2
-
$746 AUD
£411 GBP
View
Most Expensive
B
Brilliant Earth
21228531A · Nov 2
$1,755 AUD
$1,230 USD
View
2 more retailers have this diamond
Prices start from $350 AUDSave up to $1,405 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
1.69ct Marquise
$350 AUD