Marquise|Lab Grown|IGI

1.59ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG787623344

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787623344

Diamond specifications and retailer prices

From $1,382 AUD
$971 USD
As of October 30, 2026
Save $3,879 AUD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,261 AUD at MOH London · As of October 29, 2026
View at MOH London

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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787623344 or 787623344. Listed at 13 retailers as of October 29, 2026, with prices from $1,382 to $5,261, a $3,879 spread on the same certified stone. MOH London lists it at $5,261. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623344
Dimensions12.07 × 6.15 × 3.80 mm
L/W Ratio1.96
Girdle conditionFaceted
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
12.07 mm6.15 mm1.59 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623344
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
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: Oct 30
Current: $5,261 AUD|Low: $1,382 AUD|High: $6,897 AUD|Avg: $3,687 AUD|-12.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 12$1,382 AUD
Retailer 9$1,606 AUD
Retailer 3$1,804 AUD
Retailer 13$2,107 AUD
Retailer 6$2,145 AUD
Retailer 7$2,244 AUD
Retailer 5$2,691 AUD
Retailer 11$3,585 AUD
Retailer 8$4,819 AUD
Retailer 4$4,982 AUD
Retailer 2$5,068 AUD
Retailer 10$5,173 AUD
MOH London$5,261 AUD

43 data points across 13 retailers

13 retailers$1,382 AUD to $5,261 AUD

A
Cheapest Retailer
-
$1,382 AUD
$971 USD
A
Retailer 2
-
$1,606 AUD
$1,128 USD
View
A
Retailer 3
-
$1,804 AUD
HK$9,900 HKD
View
A
Retailer 4
-
$2,107 AUD
$1,480 USD
View
A
Retailer 5
-
$2,145 AUD
£1,186 GBP
View
A
Retailer 6
-
$2,244 AUD
€1,501 EUR
View
B+
Retailer 7
-
$2,691 AUD
View
B+
Retailer 8
-
$3,585 AUD
$2,519 USD
View
B
Retailer 9
-
$4,819 AUD
$3,385 USD
View
B
Retailer 10
-
$4,982 AUD
$3,500 USD
View
B
Retailer 11
-
$5,068 AUD
$3,560 USD
View
B
Retailer 12
-
$5,173 AUD
$3,634 USD
View
Most Expensive
B
MOH London
LG787623344 · Oct 29
$5,261 AUD
£2,910 GBP
View
12 more retailers have this diamond
Prices start from $1,382 AUDSave up to $3,879 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
$1,382 AUD