Marquise|Lab Grown|IGI

1.50ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG831685205

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831685205

Diamond specifications and retailer prices

From $344 AUD
$241 USD
As of November 2, 2026
Save $1,400 AUD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,744 AUD at With Clarity · As of November 3, 2026
View at With Clarity

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831685205 or 831685205. Listed at 16 retailers as of November 2, 2026, with prices from $344 to $1,744, a $1,400 spread on the same certified stone. With Clarity lists it at $1,744. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831685205
Dimensions11.51 × 6.06 × 3.69 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.51 mm6.06 mm1.50 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831685205
Side View
Table 61.0%Crown 35.8°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 60.9%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $1,661 AUD|Low: $344 AUD|High: $1,744 AUD|Avg: $1,100 AUD|-4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
With Clarity
November 2, 2026
Retailer 10$344 AUD
Retailer 12$398 AUD
Retailer 15$427 AUD
Retailer 9$498 AUD
Retailer 6$719 AUD
Retailer 4$732 AUD
Retailer 13$736 AUD
Retailer 11$801 AUD
Retailer 5$890 AUD
Retailer 2$1,370 AUD
Retailer 8$1,374 AUD
Retailer 3$1,377 AUD
Retailer 14$1,434 AUD
Retailer 7$1,444 AUD
Retailer 1$1,661 AUD
With Clarity$1,744 AUD

6 data points across 16 retailers

16 retailers$344 AUD to $1,744 AUD

A
Cheapest Retailer
-
$344 AUD
$241 USD
A
Retailer 2
-
$398 AUD
$279 USD
View
A
Retailer 3
-
$427 AUD
$299 USD
View
A
Retailer 4
-
$498 AUD
£275 GBP
View
A
Retailer 5
-
$719 AUD
$504 USD
View
A
Retailer 6
-
$732 AUD
$513 USD
View
A
Retailer 7
-
$736 AUD
ZAR 8,331 ZAR
View
A
Retailer 8
-
$801 AUD
£442 GBP
View
A
Retailer 9
-
$890 AUD
$624 USD
View
B+
Retailer 10
-
$1,370 AUD
$960 USD
View
B+
Retailer 11
-
$1,374 AUD
$963 USD
View
B+
Retailer 12
-
$1,377 AUD
SGD 1,304 SGD
View
B
Retailer 13
-
$1,434 AUD
$1,005 USD
View
B
Retailer 14
-
$1,444 AUD
$1,012 USD
View
B
Retailer 15
-
$1,661 AUD
$1,164 USD
View
Most Expensive
B
With Clarity
831685205 · Nov 3
$1,744 AUD
$1,222 USD
View
15 more retailers have this diamond
Prices start from $344 AUDSave up to $1,400 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
1.50ct Marquise
$344 AUD