CaratHunter
Plans
Marquise|Lab Grown|IGI

5.05ct E SI1 Marquise Lab Grown Diamond

GD • E/SI1 • IGI LG650491267

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG650491267

Diamond specifications and retailer prices

From €715 EUR
$799 USD
As of October 31, 2026
Save €2,807 EUR (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €3,522 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.05ct lab-grown marquise diamond

This 5.05ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG650491267 or 650491267. Listed at 17 retailers as of October 28, 2026, with prices from €715 to €3,522, a €2,807 spread on the same certified stone. Rare Carat lists it at €3,522. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.05
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650491267
Dimensions18.59 × 8.92 × 5.37 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.59 mm8.92 mm5.05 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650491267
Side View
Table 58.0%Crown 32.1°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €3,522 EUR|Low: €510 EUR|High: €6,830 EUR|Avg: €1,935 EUR|-9.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 3€715 EUR
Retailer 12€741 EUR
Retailer 7€913 EUR
Retailer 13€1,149 EUR
Retailer 9€1,182 EUR
Retailer 6€1,189 EUR
Retailer 11€1,203 EUR
Retailer 8€1,826 EUR
Retailer 4€1,847 EUR
Retailer 5€2,419 EUR
Retailer 2€2,911 EUR
Rare Carat€3,522 EUR
Retailer 10€6,830 EUR

43 data points across 13 retailers

17 retailers€715 EUR to €3,522 EUR

Retailer 1
-
€613 EUR
$685 USD
Price last confirmed 30 days ago
Retailer 2
-
€695 EUR
$777 USD
View
Price last confirmed 33 days ago
B+
Retailer 3
-
€715 EUR
$799 USD
View
Final sale: no returns
Retailer 4
-
€731 EUR
$817 USD
View
Price last confirmed 37 days ago
Retailer 5
-
€741 EUR
$828 USD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
€913 EUR
$1,020 USD
View
B+
Retailer 7
-
€1,149 EUR
$1,284 USD
View
B+
Retailer 8
-
€1,189 EUR
£1,046 GBP
View
B
Retailer 9
-
€1,203 EUR
$1,344 USD
View
Retailer 10
-
€1,608 EUR
$1,796 USD
View
Price last confirmed 24 days ago
B
Retailer 11
-
€1,826 EUR
$2,040 USD
View
B
Retailer 12
-
€1,847 EUR
$2,063 USD
View
Retailer 13
-
€2,085 EUR
$2,329 USD
View
Price last confirmed 32 days ago
B
Retailer 14
-
€2,419 EUR
$2,702 USD
View
B
Retailer 15
-
€2,556 EUR
$2,855 USD
View
B
Retailer 16
-
€2,911 EUR
£2,561 GBP
View
Most Expensive
B
Rare Carat
LM-0145_l_650491267 · Oct 28
€3,522 EUR
$3,935 USD
View
16 more retailers have this diamond
Prices start from €715 EURSave up to €2,807 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.

B+
5.05ct Marquise
€715 EUR