CaratHunter
Plans
Marquise|Lab Grown|IGI

1.73ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG815631773

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG815631773

Diamond specifications and retailer prices

From $2,036 AUD
$1,427 USD
As of October 27, 2026
4 retailers carry this diamond
Most expensive: $3,182 AUD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.73ct lab-grown marquise diamond

This 1.73ct 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 LG815631773 or 815631773. Listed at 4 retailers as of October 27, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815631773
Dimensions11.94 × 6.36 × 3.96 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.94 mm6.36 mm1.73 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815631773
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $3,182 AUD|Low: $538 AUD|High: $3,182 AUD|Avg: $1,175 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 27, 2026
Retailer 3$538 AUD
Retailer 5$780 AUD
Retailer 4$1,448 AUD
Retailer 2$2,036 AUD
Brilliant Earth$3,182 AUD

18 data points across 5 retailers

4 retailers

Retailer 1
-
$538 AUD
$377 USD
Price last confirmed 7 days ago
Retailer 2
-
$1,448 AUD
$1,015 USD
View
Price last confirmed 7 days ago
B
Retailer 3
-
$2,036 AUD
$1,427 USD
View
Most Expensive
Brilliant Earth
21223156A · Oct 8
$3,182 AUD
$2,230 USD
View
Price last confirmed 25 days ago
3 more retailers have this diamond
Prices start from $2,036 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
1.73ct Marquise
$2,036 AUD