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Marquise|Lab Grown|IGI

1.59ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG743550597

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG743550597

Diamond specifications and retailer prices

From $971 AUD
As of November 2, 2026
Save $4,189 AUD (81%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $5,160 AUD at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

About this 1.59ct lab-grown marquise diamond

This 1.59ct 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 LG743550597 or 743550597. Listed at 26 retailers as of October 31, 2026, with prices from $971 to $5,160, a $4,189 spread on the same certified stone. Novita Diamonds lists it at $5,160. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743550597
Dimensions11.99 × 6.11 × 3.83 mm
L/W Ratio1.96
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
11.99 mm6.11 mm1.59 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743550597
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A+
Exceptional
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: $5,160 AUD|Low: $971 AUD|High: $5,599 AUD|Avg: $2,727 AUD|-1.2%
Novita Diamonds
Retailer 2
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Retailer 25
November 4, 2026
Retailer 9$971 AUD
Retailer 2$1,051 AUD
Retailer 22$1,087 AUD
Retailer 8$1,125 AUD
Retailer 6$1,375 AUD
Retailer 20$1,382 AUD
Retailer 12$1,476 AUD
Retailer 17$1,768 AUD
Retailer 13$1,774 AUD
Retailer 4$1,843 AUD
Retailer 5$2,026 AUD
Retailer 23$2,068 AUD
Retailer 25$2,802 AUD
Retailer 21$2,844 AUD
Retailer 11$2,875 AUD
Retailer 10$3,164 AUD
Retailer 15$3,840 AUD
Retailer 16$3,882 AUD
Retailer 14$3,892 AUD
Retailer 7$3,931 AUD
Retailer 18$3,996 AUD
Retailer 3$4,110 AUD
Retailer 19$4,201 AUD
Retailer 24$4,742 AUD
Novita Diamonds$5,160 AUD

27 data points across 25 retailers

26 retailers$971 AUD to $5,160 AUD

A+
Cheapest Retailer
-
$971 AUD
A
Retailer 2
-
$1,051 AUD
View
A
Retailer 3
-
$1,087 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,125 AUD
View
A
Retailer 5
-
$1,375 AUD
View
A
Retailer 6
-
$1,382 AUD
View
A
Retailer 7
-
$1,476 AUD
View
A
Retailer 8
-
$1,701 AUD
View
A
Retailer 9
-
$1,768 AUD
View
A
Retailer 10
-
$1,774 AUD
View
A
Retailer 11
-
$1,843 AUD
View
A
Retailer 12
-
$2,026 AUD
View
A
Retailer 13
-
$2,068 AUD
View
B+
Retailer 14
-
$2,802 AUD
View
B+
Retailer 15
-
$2,844 AUD
View
B+
Retailer 16
-
$2,875 AUD
View
B+
Retailer 17
-
$3,164 AUD
View
B+
Retailer 18
-
$3,840 AUD
View
B
Retailer 19
-
$3,882 AUD
View
B
Retailer 20
-
$3,892 AUD
View
B+
Retailer 21
-
$3,931 AUD
View
B
Retailer 22
-
$3,996 AUD
View
B+
Retailer 23
-
$4,110 AUD
View
B
Retailer 24
-
$4,201 AUD
View
B+
Retailer 25
-
$4,742 AUD
View
Most Expensive
B
Novita Diamonds
cert_743550597 · Oct 31
$5,160 AUD
View
25 more retailers have this diamond
Prices start from $971 AUDSave up to $4,189 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+
1.59ct Marquise
$971 AUD