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Marquise|Lab Grown|IGI

1.53ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG743550707

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG743550707

Diamond specifications and retailer prices

From $1,036 AUD
As of November 4, 2026
Save $3,907 AUD (79%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: $4,943 AUD at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

About this 1.53ct lab-grown marquise diamond

This 1.53ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG743550707 or 743550707. Listed at 32 retailers as of October 31, 2026, with prices from $1,036 to $4,943, a $3,907 spread on the same certified stone. Novita Diamonds lists it at $4,943. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743550707
Dimensions12.25 × 5.96 × 3.66 mm
L/W Ratio2.06
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
12.25 mm5.96 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743550707
Side View
Table 61.0%Crown 33.4°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 61.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $4,943 AUD|Low: $931 AUD|High: $5,096 AUD|Avg: $2,615 AUD|-3.0%
Novita Diamonds
Retailer 2
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Retailer 9
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Retailer 11
Retailer 12
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Retailer 17
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Retailer 19
Retailer 20
Retailer 21
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Retailer 24
Retailer 25
November 4, 2026
Retailer 17$931 AUD
Retailer 13$1,036 AUD
Retailer 16$1,081 AUD
Retailer 10$1,331 AUD
Retailer 3$1,333 AUD
Retailer 14$1,428 AUD
Retailer 19$1,622 AUD
Retailer 15$1,644 AUD
Retailer 24$1,701 AUD
Retailer 8$1,769 AUD
Retailer 9$1,961 AUD
Retailer 5$1,984 AUD
Retailer 7$2,688 AUD
Retailer 4$2,724 AUD
Retailer 21$2,746 AUD
Retailer 20$3,022 AUD
Retailer 18$3,367 AUD
Retailer 12$3,683 AUD
Retailer 2$3,708 AUD
Retailer 22$3,748 AUD
Retailer 11$3,763 AUD
Retailer 23$3,813 AUD
Retailer 25$4,026 AUD
Retailer 6$4,549 AUD
Novita Diamonds$4,943 AUD

31 data points across 25 retailers

32 retailers$1,036 AUD to $4,943 AUD

Retailer 1
-
$931 AUD
Price last confirmed 27 days ago
A
Retailer 2
-
$1,036 AUD
View
Final sale: no returns
Retailer 3
-
$1,042 AUD
View
Price last confirmed 35 days ago
Retailer 4
-
$1,081 AUD
View
Price last confirmed 27 days ago
Retailer 5
-
$1,081 AUD
View
Price last confirmed 25 days ago
Retailer 6
-
$1,135 AUD
View
Price last confirmed 36 days ago
Retailer 7
-
$1,193 AUD
View
Price last confirmed 35 days ago
Retailer 8
-
$1,193 AUD
View
Price last confirmed 38 days ago
A
Retailer 9
-
$1,331 AUD
View
A
Retailer 10
-
$1,333 AUD
View
A
Retailer 11
-
$1,428 AUD
View
A
Retailer 12
-
$1,622 AUD
View
A
Retailer 13
-
$1,644 AUD
View
A
Retailer 14
-
$1,701 AUD
View
A
Retailer 15
-
$1,769 AUD
View
A
Retailer 16
-
$1,961 AUD
View
A
Retailer 17
-
$1,984 AUD
View
B+
Retailer 18
-
$2,688 AUD
View
B+
Retailer 19
-
$2,724 AUD
View
B+
Retailer 20
-
$2,746 AUD
View
B+
Retailer 21
-
$3,022 AUD
View
Retailer 22
-
$3,036 AUD
View
Price last confirmed 25 days ago
B+
Retailer 23
-
$3,367 AUD
View
Retailer 24
-
$3,401 AUD
View
Price last confirmed 35 days ago
B+
Retailer 25
-
$3,683 AUD
View
B+
Retailer 26
-
$3,708 AUD
View
B+
Retailer 27
-
$3,748 AUD
View
Retailer 28
-
$3,763 AUD
View
Price last confirmed 7 days ago
B
Retailer 29
-
$3,813 AUD
View
B
Retailer 30
-
$4,026 AUD
View
B
Retailer 31
-
$4,549 AUD
View
Most Expensive
B
Novita Diamonds
cert_743550707 · Oct 31
$4,943 AUD
View
31 more retailers have this diamond
Prices start from $1,036 AUDSave up to $3,907 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
1.53ct Marquise
$1,036 AUD