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Marquise|Lab Grown|IGI

1.59ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG784644870

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784644870

Diamond specifications and retailer prices

From $671 USD
As of October 30, 2026
Save $5,289 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,960 USD at Do Amore Diamonds · As of October 30, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784644870 or 784644870. Listed at 15 retailers as of October 30, 2026, with prices from $671 to $5,960, a $5,289 spread on the same certified stone. Do Amore Diamonds lists it at $5,960. 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 angle35.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644870
Dimensions11.73 × 6.11 × 3.77 mm
L/W Ratio1.92
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
11.73 mm6.11 mm1.59 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644870
Side View
Table 58.0%Crown 35.7°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 61.7%

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: Oct 30
Current: $5,960 USD|Low: $671 USD|High: $7,930 USD|Avg: $2,235 USD|-24.8%
Do Amore Diamonds
Retailer 2
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Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
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Retailer 15
October 30, 2026
Retailer 9$671 USD
Retailer 3$730 USD
Retailer 11$934 USD
Retailer 6$983 USD
Retailer 4$985 USD
Retailer 7$1,000 USD
Retailer 10$1,268 USD
Retailer 8$1,447 USD
Retailer 13$1,715 USD
Retailer 12$1,988 USD
Retailer 14$2,416 USD
Retailer 15$3,378 USD
Retailer 5$3,385 USD
Retailer 2$3,510 USD
Do Amore Diamonds$5,960 USD

32 data points across 15 retailers

15 retailers$671 USD to $5,960 USD

A
Cheapest Retailer
-
$671 USD
A
Retailer 2
-
$730 USD
View
A
Retailer 3
-
$934 USD
View
A
Retailer 4
-
$983 USD
View
A
Retailer 5
-
$985 USD
View
A
Retailer 6
-
$1,000 USD
View
Final sale: no returns
A
Retailer 7
-
$1,268 USD
View
A
Retailer 8
-
$1,447 USD
€1,378 EUR
View
B+
Retailer 9
-
$1,715 USD
A$2,638 AUD
View
B+
Retailer 10
-
$1,988 USD
View
B+
Retailer 11
-
$2,416 USD
View
B+
Retailer 12
-
$3,378 USD
£2,660 GBP
View
B+
Retailer 13
-
$3,385 USD
View
B
Retailer 14
-
$3,510 USD
View
Most Expensive
B
Do Amore Diamonds
27-D7678F349 · Oct 30
$5,960 USD
View
14 more retailers have this diamond
Prices start from $671 USDSave up to $5,289 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
$671 USD