CaratHunter
Plans
Marquise|Lab Grown|IGI

1.59ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG790656718

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790656718

Diamond specifications and retailer prices

From €414 EUR
$462 USD
As of October 30, 2026
Save €1,878 EUR (82%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: €2,820 EUR at Brilliant Earth · As of October 16, 2026
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 30 retailers as of October 30, 2026, with a 454% 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
Colour
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+
Exceptional
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: €2,291 EUR|Low: €463 EUR|High: €2,828 EUR|Avg: €1,324 EUR|-19.0%
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
Retailer 21
Retailer 22
Retailer 23
Retailer 24
October 31, 2026
Retailer 4€463 EUR
Retailer 18€463 EUR
Retailer 6€513 EUR
Retailer 3€561 EUR
Retailer 22€640 EUR
Retailer 10€689 EUR
Retailer 9€794 EUR
Retailer 23€817 EUR
Retailer 5€837 EUR
Retailer 19€850 EUR
Retailer 21€881 EUR
Retailer 7€1,047 EUR
Retailer 2€1,170 EUR
Retailer 20€1,194 EUR
Retailer 15€1,501 EUR
Retailer 12€1,629 EUR
Retailer 8€1,649 EUR
Retailer 14€1,676 EUR
Retailer 11€1,817 EUR
Retailer 24€1,886 EUR
Retailer 13€1,919 EUR
Retailer 17€2,130 EUR
Retailer 16€2,234 EUR
Brilliant Earth€2,291 EUR

29 data points across 24 retailers

30 retailers€414 EUR to €2,291 EUR

A+
Cheapest Retailer
-
€414 EUR
$462 USD
A
Retailer 2
-
€463 EUR
$517 USD
View
Final sale: no returns
A
Retailer 3
-
€463 EUR
$517 USD
View
Retailer 4
-
€513 EUR
$573 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
€513 EUR
$573 USD
View
A
Retailer 6
-
€561 EUR
HK$4,900 HKD
View
A
Retailer 7
-
€640 EUR
$715 USD
View
A
Retailer 8
-
€689 EUR
$770 USD
View
A
Retailer 9
-
€794 EUR
$887 USD
View
A
Retailer 10
-
€817 EUR
View
A
Retailer 11
-
€837 EUR
A$1,438 AUD
View
A
Retailer 12
-
€850 EUR
£747 GBP
View
A
Retailer 13
-
€881 EUR
ZAR 15,906 ZAR
View
A
Retailer 14
-
€1,047 EUR
$1,170 USD
View
A
Retailer 15
-
€1,170 EUR
$1,307 USD
View
A
Retailer 16
-
€1,194 EUR
A$2,053 AUD
View
A
Retailer 17
-
€1,501 EUR
£1,320 GBP
View
B+
Retailer 18
-
€1,629 EUR
SGD 2,460 SGD
View
B+
Retailer 19
-
€1,649 EUR
$1,842 USD
View
B+
Retailer 20
-
€1,676 EUR
$1,872 USD
View
B+
Retailer 21
-
€1,725 EUR
$1,927 USD
View
B+
Retailer 22
-
€1,817 EUR
$2,030 USD
View
B+
Retailer 23
-
€1,886 EUR
£1,659 GBP
View
B+
Retailer 24
-
€1,919 EUR
$2,144 USD
View
Retailer 25
-
€2,021 EUR
$2,258 USD
View
Price last confirmed 51 days ago
Retailer 26
-
€2,130 EUR
$2,380 USD
View
Price last confirmed 23 days ago
B+
Retailer 27
-
€2,194 EUR
£1,930 GBP
View
Retailer 28
-
€2,234 EUR
A$3,839 AUD
View
Price last confirmed 22 days ago
B+
Retailer 29
-
€2,291 EUR
$2,560 USD
View
Most Expensive
Brilliant Earth
20250682A · Oct 16
€2,820 EUR
$3,150 USD
View
Price last confirmed 14 days ago
29 more retailers have this diamond
Prices start from €414 EURSave up to €1,878 EUR

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
€414 EUR