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Marquise|Lab Grown|IGI

1.59ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG790656718

Certificate IGI LG790656718

Diamond specifications and retailer prices

From $565 USD
Save $2,685 USD (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,250 USD at Brilliant Earth
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790656718 or 790656718. Listed at 25 retailers, with a 475% 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
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790656718
Dimensions12.27 × 6.12 × 12.27 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.27 mm6.12 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790656718
Side View
Table 57.0%Crown 32.8°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $3,250 USD|Low: $404 USD|High: $3,250 USD|Avg: $1,458 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 1, 2026
Retailer 15$565 USD
Retailer 13$805 USD
Retailer 6$896 USD
Retailer 16$905 USD
Retailer 9$912 USD
Retailer 12$935 USD
Retailer 18$989 USD
Retailer 5$1,011 USD
Retailer 8$1,177 USD
Retailer 17$1,285 USD
Retailer 4$1,403 USD
Retailer 19$1,753 USD
Retailer 7$1,902 USD
Retailer 11$1,958 USD
Retailer 3$2,027 USD
Retailer 10$2,101 USD
Retailer 14$2,405 USD
Retailer 20$2,438 USD
Retailer 2$2,536 USD
Brilliant Earth$3,250 USD

38 data points across 20 retailers

25 retailers$565 USD to $3,250 USD

A
Cheapest Retailer
-
$565 USD
A
Retailer 2
-
$691 USD
HK$5,400 HKD
View
Price last confirmed 27 days ago
A
Retailer 3
-
$805 USD
View
A
Retailer 4
-
$896 USD
€853 EUR
View
A
Retailer 5
-
$905 USD
View
A
Retailer 6
-
$912 USD
View
A
Retailer 7
-
$935 USD
A$1,438 AUD
View
A
Retailer 8
-
$992 USD
£781 GBP
View
A
Retailer 9
-
$1,011 USD
ZAR 16,325 ZAR
View
A
Retailer 10
-
$1,177 USD
View
A
Retailer 11
-
$1,285 USD
View
A
Retailer 12
-
$1,403 USD
A$2,158 AUD
View
B+
Retailer 13
-
$1,753 USD
£1,380 GBP
View
B+
Retailer 14
-
$1,902 USD
SGD 2,570 SGD
View
B+
Retailer 15
-
$1,958 USD
View
B+
Retailer 16
-
$2,027 USD
View
B+
Retailer 17
-
$2,101 USD
View
B+
Retailer 18
-
$2,258 USD
View
Price last confirmed 22 days ago
B+
Retailer 19
-
$2,405 USD
View
B+
Retailer 20
-
$2,437 USD
View
B+
Retailer 21
-
$2,438 USD
A$3,751 AUD
View
B+
Retailer 22
-
$2,451 USD
£1,930 GBP
View
B+
Retailer 23
-
$2,536 USD
£1,997 GBP
View
B
Retailer 24
-
$3,250 USD
View
Most Expensive
B
Brilliant Earth
20250682A · Sep 16
$3,250 USD
View
Price last confirmed 15 days ago
24 more retailers have this diamond
Prices start from $565 USDSave up to $2,685 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.

A
1.59ct Marquise
$565 USD