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Marquise|Lab Grown|IGI

1.50ct G IF Marquise Lab Grown Diamond

EX • G/IF • IGI LG655444949

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG655444949

Diamond specifications and retailer prices

From $597 AUD
As of November 4, 2026
Save $2,600 AUD (81%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,197 AUD at With Clarity · As of November 5, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG655444949 or 655444949. Listed at 25 retailers as of November 4, 2026, with prices from $597 to $3,197, a $2,600 spread on the same certified stone. With Clarity lists it at $3,197. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655444949
Dimensions11.74 × 6.15 × 3.68 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.74 mm6.15 mm1.50 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655444949
Side View
Table 63.0%Crown 31.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.8%

Caratlytics Score

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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 4
Current: $1,207 AUD|Low: $573 AUD|High: $3,657 AUD|Avg: $1,701 AUD|-4.3%
Retailer 1
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Retailer 23
With Clarity
November 5, 2026
Retailer 5$597 AUD
Retailer 4$669 AUD
Retailer 13$669 AUD
Retailer 8$740 AUD
Retailer 16$740 AUD
Retailer 22$804 AUD
Retailer 23$950 AUD
Retailer 20$1,011 AUD
Retailer 9$1,084 AUD
Retailer 2$1,177 AUD
Retailer 1$1,207 AUD
Retailer 18$1,276 AUD
Retailer 11$1,359 AUD
Retailer 3$1,710 AUD
Retailer 12$1,726 AUD
Retailer 15$2,350 AUD
Retailer 6$2,380 AUD
Retailer 10$2,427 AUD
Retailer 17$2,443 AUD
Retailer 14$2,698 AUD
Retailer 19$2,718 AUD
Retailer 7$2,771 AUD
Retailer 21$3,071 AUD
With Clarity$3,197 AUD

38 data points across 24 retailers

25 retailers$597 AUD to $3,197 AUD

A
Cheapest Retailer
-
$597 AUD
A
Retailer 2
-
$669 AUD
View
Final sale: no returns
A
Retailer 3
-
$669 AUD
View
Retailer 4
-
$740 AUD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$740 AUD
View
A
Retailer 6
-
$804 AUD
View
A
Retailer 7
-
$950 AUD
View
A
Retailer 8
-
$1,011 AUD
View
A
Retailer 9
-
$1,084 AUD
View
Retailer 10
-
$1,177 AUD
View
Price last confirmed 11 days ago
A
Retailer 11
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$1,207 AUD
View
A
Retailer 12
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$1,276 AUD
View
A
Retailer 13
-
$1,359 AUD
View
A
Retailer 14
-
$1,710 AUD
View
A
Retailer 15
-
$1,726 AUD
View
B+
Retailer 16
-
$2,350 AUD
View
B+
Retailer 17
-
$2,380 AUD
View
B+
Retailer 18
-
$2,427 AUD
View
B+
Retailer 19
-
$2,443 AUD
View
B+
Retailer 20
-
$2,581 AUD
View
B+
Retailer 21
-
$2,698 AUD
View
B+
Retailer 22
-
$2,718 AUD
View
B+
Retailer 23
-
$2,771 AUD
View
B+
Retailer 24
-
$3,071 AUD
View
Most Expensive
B
With Clarity
655444949 · Nov 5
$3,197 AUD
$2,238 USD
View
24 more retailers have this diamond
Prices start from $597 AUDSave up to $2,600 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
$597 AUD