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Marquise|Lab Grown|IGI

5.51ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG752586341

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG752586341

Diamond specifications and retailer prices

From €945 EUR
$1,056 USD
As of October 31, 2026
Save €4,819 EUR (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €11,314 EUR at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 5.51ct lab-grown marquise diamond

This 5.51ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG752586341 or 752586341. Listed at 15 retailers as of October 31, 2026, with a 510% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.51
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.1°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752586341
Dimensions18.69 × 9.56 × 5.35 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.69 mm9.56 mm5.51 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752586341
Side View
Table 61.0%Crown 30.1°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 56.0%

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 31
Current: €5,764 EUR|Low: €728 EUR|High: €11,663 EUR|Avg: €3,321 EUR|-50.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 7€945 EUR
Retailer 2€1,177 EUR
Retailer 5€1,450 EUR
Retailer 3€1,778 EUR
Retailer 4€1,989 EUR
Retailer 8€2,701 EUR
Retailer 6€3,035 EUR
Retailer 10€3,399 EUR
Retailer 9€5,089 EUR
Brilliant Earth€5,764 EUR

24 data points across 10 retailers

15 retailers€945 EUR to €5,764 EUR

Retailer 1
-
€844 EUR
$943 USD
Price last confirmed 20 days ago
A
Retailer 2
-
€945 EUR
$1,056 USD
View
Final sale: no returns
Retailer 3
-
€979 EUR
$1,094 USD
View
Price last confirmed 21 days ago
Retailer 4
-
€979 EUR
$1,094 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
€1,177 EUR
$1,315 USD
View
B+
Retailer 6
-
€1,450 EUR
$1,620 USD
View
A
Retailer 7
-
€1,778 EUR
View
A
Retailer 8
-
€1,989 EUR
$2,222 USD
View
B+
Retailer 9
-
€2,701 EUR
£2,376 GBP
View
Retailer 10
-
€2,752 EUR
$3,075 USD
View
Price last confirmed 21 days ago
B+
Retailer 11
-
€3,035 EUR
$3,391 USD
View
B+
Retailer 12
-
€3,399 EUR
SGD 5,132 SGD
View
Retailer 13
-
€5,089 EUR
$5,685 USD
View
Price last confirmed 24 days ago
B
Retailer 14
-
€5,764 EUR
$6,440 USD
View
Most Expensive
Brilliant Earth
16806716A · Oct 22
€11,314 EUR
$12,640 USD
View
Price under review
14 more retailers have this diamond
Prices start from €945 EURSave up to €4,819 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
5.51ct Marquise
€945 EUR