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Marquise|Lab Grown|IGI

1.50ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG850630371

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850630371

Diamond specifications and retailer prices

From $362 AUD
$254 USD
As of November 2, 2026
Save $2,143 AUD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,506 AUD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

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 LG850630371 or 850630371. Listed at 19 retailers as of November 1, 2026, with prices from $362 to $2,506, a $2,143 spread on the same certified stone. Helzberg Diamonds lists it at $2,506. 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 angle30°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850630371
Dimensions11.90 × 6.04 × 3.67 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.90 mm6.04 mm1.50 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850630371
Side View
Table 56.0%Crown 30°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.8%

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 2
Current: $2,506 AUD|Low: $362 AUD|High: $2,506 AUD|Avg: $1,144 AUD
Helzberg Diamonds
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
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 15$362 AUD
Retailer 17$451 AUD
Retailer 5$511 AUD
Retailer 2$526 AUD
Retailer 9$606 AUD
Retailer 18$678 AUD
Retailer 16$739 AUD
Retailer 12$777 AUD
Retailer 11$859 AUD
Retailer 3$932 AUD
Retailer 14$1,383 AUD
Retailer 4$1,447 AUD
Retailer 10$1,477 AUD
Retailer 8$1,521 AUD
Retailer 7$1,771 AUD
Retailer 13$1,805 AUD
Retailer 6$1,855 AUD
Helzberg Diamonds$2,506 AUD

6 data points across 18 retailers

19 retailers$362 AUD to $2,506 AUD

A
Cheapest Retailer
-
$362 AUD
$254 USD
A
Retailer 2
-
$451 AUD
$316 USD
View
A
Retailer 3
-
$511 AUD
HK$2,800 HKD
View
A
Retailer 4
-
$526 AUD
£290 GBP
View
B+
Retailer 5
-
$606 AUD
$425 USD
View
A
Retailer 6
-
$678 AUD
$475 USD
View
A
Retailer 7
-
$739 AUD
$518 USD
View
A
Retailer 8
-
$777 AUD
ZAR 8,802 ZAR
View
A
Retailer 9
-
$859 AUD
£474 GBP
View
A
Retailer 10
-
$932 AUD
$653 USD
View
B+
Retailer 11
-
$1,383 AUD
$969 USD
View
B+
Retailer 12
-
$1,447 AUD
$1,014 USD
View
B
Retailer 13
-
$1,477 AUD
SGD 1,399 SGD
View
B
Retailer 14
-
$1,521 AUD
$1,066 USD
View
B
Retailer 15
-
$1,771 AUD
$1,241 USD
View
B
Retailer 16
-
$1,805 AUD
£996 GBP
View
B
Retailer 17
-
$1,855 AUD
$1,300 USD
View
B
Retailer 18
-
$2,369 AUD
$1,660 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOLGMJGJNH · Nov 1
$2,506 AUD
$1,756 USD
View
18 more retailers have this diamond
Prices start from $362 AUDSave up to $2,143 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
$362 AUD