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Marquise|Lab Grown|IGI

1.55ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG839636637

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839636637

Diamond specifications and retailer prices

From $511 AUD
$359 USD
As of October 26, 2026
Save $890 AUD (64%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,401 AUD at Brilliance · As of October 26, 2026
View at Brilliance

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839636637 or 839636637. Listed at 2 retailers as of October 26, 2026, with prices from $511 to $1,401, a $890 spread on the same certified stone. Brilliance lists it at $1,401. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839636637
Dimensions11.86 × 5.95 × 3.82 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
11.86 mm5.95 mm1.55 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839636637
Side View
Table 60.0%Crown 36.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 64.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 26
Current: $1,401 AUD|Low: $349 AUD|High: $1,445 AUD|Avg: $835 AUD|-3.1%
Brilliance
Retailer 2
Retailer 3
Retailer 4
October 26, 2026
Retailer 3$349 AUD
Retailer 2$511 AUD
Retailer 4$814 AUD
Brilliance$1,401 AUD

5 data points across 4 retailers

2 retailers$511 AUD to $1,401 AUD

B+
Cheapest Retailer
-
$511 AUD
$359 USD
Most Expensive
B
Brilliance
D46013189 · Oct 26
$1,401 AUD
$984 USD
View
1 more retailer has this diamond
Prices start from $511 AUDSave up to $890 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.

B+
1.55ct Marquise
$511 AUD