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Marquise|Lab Grown|IGI

1.59ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754594784

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754594784

Diamond specifications and retailer prices

From $1,051 AUD
As of November 4, 2026
Save $3,833 AUD (78%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $5,314 AUD at Novita Diamonds · As of October 8, 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 LG754594784 or 754594784. Listed at 27 retailers as of November 3, 2026, with a 365% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594784
Dimensions12.08 × 6.23 × 3.72 mm
L/W Ratio1.94
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
12.08 mm6.23 mm1.59 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594784
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 59.7%

Caratlytics Score

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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 4
Current: $1,051 AUD|Low: $1,051 AUD|High: $5,799 AUD|Avg: $2,644 AUD|-11.1%
Retailer 1
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Retailer 26
November 4, 2026
Retailer 1$1,051 AUD
Retailer 18$1,072 AUD
Retailer 16$1,244 AUD
Retailer 22$1,263 AUD
Retailer 11$1,350 AUD
Retailer 21$1,496 AUD
Retailer 6$1,521 AUD
Retailer 5$1,588 AUD
Retailer 12$1,774 AUD
Retailer 9$1,804 AUD
Retailer 4$1,876 AUD
Retailer 2$1,993 AUD
Retailer 3$2,026 AUD
Retailer 23$2,284 AUD
Retailer 8$2,958 AUD
Retailer 25$3,096 AUD
Retailer 17$3,175 AUD
Retailer 14$3,497 AUD
Retailer 19$3,931 AUD
Retailer 20$4,201 AUD
Retailer 13$4,204 AUD
Retailer 7$4,216 AUD
Retailer 10$4,290 AUD
Retailer 26$4,324 AUD
Retailer 15$4,405 AUD
Retailer 24$4,884 AUD

26 data points across 26 retailers

27 retailers$1,051 AUD to $4,884 AUD

A
Cheapest Retailer
-
$1,051 AUD
A
Retailer 2
-
$1,072 AUD
View
A
Retailer 3
-
$1,244 AUD
View
A
Retailer 4
-
$1,263 AUD
View
A
Retailer 5
-
$1,350 AUD
View
Final sale: no returns
A
Retailer 6
-
$1,496 AUD
View
A
Retailer 7
-
$1,521 AUD
View
A
Retailer 8
-
$1,588 AUD
View
A
Retailer 9
-
$1,774 AUD
View
A
Retailer 10
-
$1,804 AUD
View
A
Retailer 11
-
$1,876 AUD
View
A
Retailer 12
-
$1,993 AUD
View
A
Retailer 13
-
$2,026 AUD
View
A
Retailer 14
-
$2,284 AUD
View
B+
Retailer 15
-
$2,958 AUD
View
B+
Retailer 16
-
$3,096 AUD
View
Retailer 17
-
$3,175 AUD
View
Price last confirmed 11 days ago
B+
Retailer 18
-
$3,497 AUD
View
B
Retailer 19
-
$3,931 AUD
View
B
Retailer 20
-
$4,201 AUD
View
B
Retailer 21
-
$4,204 AUD
View
B
Retailer 22
-
$4,216 AUD
View
B
Retailer 23
-
$4,290 AUD
View
B
Retailer 24
-
$4,324 AUD
View
B
Retailer 25
-
$4,405 AUD
View
B
Retailer 26
-
$4,884 AUD
View
Most Expensive
Novita Diamonds
cert_754594784 · Oct 8
$5,314 AUD
View
Price last confirmed 26 days ago
26 more retailers have this diamond
Prices start from $1,051 AUDSave up to $3,833 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
$1,051 AUD