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Marquise|Lab Grown|IGI

1.59ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754508165

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754508165

Diamond specifications and retailer prices

From $971 AUD
As of November 2, 2026
Save $7,649 AUD (89%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: $8,620 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore 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 LG754508165 or 754508165. Listed at 34 retailers as of November 2, 2026, with prices from $971 to $8,620, a $7,649 spread on the same certified stone. Do Amore Diamonds lists it at $8,620. 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 angle34.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508165
Dimensions11.95 × 6.15 × 3.78 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
11.95 mm6.15 mm1.59 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508165
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.5%

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 2
Current: $8,620 AUD|Low: $971 AUD|High: $8,749 AUD|Avg: $3,093 AUD|-1.5%
Do Amore Diamonds
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November 4, 2026
Retailer 17$971 AUD
Retailer 9$1,227 AUD
Retailer 19$1,263 AUD
Retailer 12$1,356 AUD
Retailer 13$1,382 AUD
Retailer 7$1,478 AUD
Retailer 8$1,631 AUD
Retailer 2$1,774 AUD
Retailer 6$1,876 AUD
Retailer 25$1,993 AUD
Retailer 4$2,036 AUD
Retailer 21$2,284 AUD
Retailer 20$2,844 AUD
Retailer 11$2,878 AUD
Retailer 23$3,096 AUD
Retailer 15$3,497 AUD
Retailer 14$3,842 AUD
Retailer 10$3,863 AUD
Retailer 5$3,931 AUD
Retailer 24$4,067 AUD
Retailer 18$4,447 AUD
Retailer 16$4,697 AUD
Retailer 3$4,910 AUD
Retailer 22$5,241 AUD
Do Amore Diamonds$8,620 AUD

28 data points across 25 retailers

34 retailers$971 AUD to $8,620 AUD

A
Cheapest Retailer
-
$971 AUD
Retailer 2
-
$985 AUD
View
Price last confirmed 27 days ago
Retailer 3
-
$985 AUD
View
Price last confirmed 35 days ago
Retailer 4
-
$1,071 AUD
View
Price last confirmed 36 days ago
Retailer 5
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$1,127 AUD
View
Price last confirmed 36 days ago
Retailer 6
-
$1,143 AUD
View
Price last confirmed 32 days ago
Retailer 7
-
$1,143 AUD
View
Price last confirmed 25 days ago
A
Retailer 8
-
$1,227 AUD
View
Final sale: no returns
A
Retailer 9
-
$1,263 AUD
View
A
Retailer 10
-
$1,356 AUD
View
A
Retailer 11
-
$1,382 AUD
View
A
Retailer 12
-
$1,478 AUD
View
A
Retailer 13
-
$1,631 AUD
View
A
Retailer 14
-
$1,774 AUD
View
A
Retailer 15
-
$1,876 AUD
View
A
Retailer 16
-
$1,993 AUD
View
A
Retailer 17
-
$2,036 AUD
View
A
Retailer 18
-
$2,284 AUD
View
B+
Retailer 19
-
$2,844 AUD
View
B+
Retailer 20
-
$2,878 AUD
View
B+
Retailer 21
-
$3,096 AUD
View
B+
Retailer 22
-
$3,497 AUD
View
Retailer 23
-
$3,544 AUD
View
Price last confirmed 25 days ago
Retailer 24
-
$3,544 AUD
View
Price last confirmed 35 days ago
B+
Retailer 25
-
$3,842 AUD
View
B+
Retailer 26
-
$3,863 AUD
View
B
Retailer 27
-
$3,931 AUD
View
B
Retailer 28
-
$4,062 AUD
View
B+
Retailer 29
-
$4,067 AUD
View
B
Retailer 30
-
$4,447 AUD
View
B
Retailer 31
-
$4,697 AUD
View
B
Retailer 32
-
$4,910 AUD
View
B
Retailer 33
-
$5,241 AUD
View
Most Expensive
B
Do Amore Diamonds
27-85D5E6F64 · Nov 2
$8,620 AUD
$6,020 USD
View
33 more retailers have this diamond
Prices start from $971 AUDSave up to $7,649 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