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Marquise|Lab Grown|IGI

1.55ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG843670563

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843670563

Diamond specifications and retailer prices

From $342 AUD
$240 USD
As of November 1, 2026
Save $1,029 AUD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,463 AUD at Brilliant Earth · As of October 12, 2026
View at Brilliant Earth

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 LG843670563 or 843670563. Listed at 4 retailers as of November 1, 2026, with a 301% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843670563
Dimensions11.69 × 5.96 × 3.86 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.69 mm5.96 mm1.55 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843670563
Side View
Table 58.0%Crown 36.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,463 AUD|Low: $342 AUD|High: $2,463 AUD|Avg: $1,372 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 2$342 AUD
Retailer 4$517 AUD
Retailer 5$814 AUD
Retailer 3$1,371 AUD
Brilliant Earth$2,463 AUD

8 data points across 5 retailers

4 retailers$342 AUD to $1,371 AUD

A
Cheapest Retailer
-
$342 AUD
$240 USD
Final sale: no returns
B+
Retailer 2
-
$517 AUD
$363 USD
View
B+
Retailer 3
-
$1,371 AUD
$963 USD
View
Most Expensive
Brilliant Earth
21760005A · Oct 12
$2,463 AUD
$1,730 USD
View
Price last confirmed 20 days ago
3 more retailers have this diamond
Prices start from $342 AUDSave up to $1,029 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
1.55ct Marquise
$342 AUD