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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 $971 USD
As of October 30, 2026
Save $2,725 USD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,696 USD 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 $971 to $3,696, a $2,725 spread on the same certified stone. MOH London lists it at $3,696. 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
Color
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: $3,696 USD|Low: $971 USD|High: $4,845 USD|Avg: $2,590 USD|-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$971 USD
Retailer 9$1,128 USD
Retailer 3$1,267 USD
Retailer 13$1,480 USD
Retailer 6$1,507 USD
Retailer 7$1,576 USD
Retailer 5$1,890 USD
Retailer 11$2,519 USD
Retailer 8$3,385 USD
Retailer 4$3,500 USD
Retailer 2$3,560 USD
Retailer 10$3,634 USD
MOH London$3,696 USD

43 data points across 13 retailers

13 retailers$971 USD to $3,696 USD

A
Cheapest Retailer
-
$971 USD
A
Retailer 2
-
$1,128 USD
View
A
Retailer 3
-
$1,267 USD
HK$9,900 HKD
View
A
Retailer 4
-
$1,480 USD
View
A
Retailer 5
-
$1,507 USD
£1,186 GBP
View
A
Retailer 6
-
$1,576 USD
€1,501 EUR
View
B+
Retailer 7
-
$1,890 USD
A$2,908 AUD
View
B+
Retailer 8
-
$2,519 USD
View
B
Retailer 9
-
$3,385 USD
View
B
Retailer 10
-
$3,500 USD
View
B
Retailer 11
-
$3,560 USD
View
B
Retailer 12
-
$3,634 USD
View
Most Expensive
B
MOH London
LG787623344 · Oct 29
$3,696 USD
£2,910 GBP
View
12 more retailers have this diamond
Prices start from $971 USDSave up to $2,725 USD

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 USD