CaratHunter
Plans
Marquise|Lab Grown|IGI

5.51ct E VS1 Marquise Lab Grown Diamond

VG • E/VS1 • IGI LG849635665

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG849635665

Diamond specifications and retailer prices

From €1,481 EUR
£1,303 GBP
As of October 26, 2026
Save €1,836 EUR (55%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €3,316 EUR at Taylor and Hart · As of October 26, 2026
View at Taylor and Hart

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 very-good cut grade and certified by IGI LG849635665 or 849635665. Listed at 4 retailers as of October 26, 2026, with prices from €1,481 to €3,316, a €1,836 spread on the same certified stone. Taylor and Hart lists it at €3,316. 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

5.51
Carat
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849635665
Dimensions18.29 × 9.05 × 5.80 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.29 mm9.05 mm5.51 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849635665
Side View
Table 60.0%Crown 36.2°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.1%

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 26
Current: €2,316 EUR|Low: €1,351 EUR|High: €3,316 EUR|Avg: €2,076 EUR|-1.3%
Retailer 1
Retailer 2
Retailer 3
Taylor and Hart
October 26, 2026
Retailer 2€1,481 EUR
Retailer 3€1,685 EUR
Retailer 1€2,316 EUR
Taylor and Hart€3,316 EUR

4 data points across 4 retailers

4 retailers€1,481 EUR to €3,316 EUR

A
Cheapest Retailer
-
€1,481 EUR
£1,303 GBP
Retailer 2
-
€1,685 EUR
$1,882 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
€2,316 EUR
$2,588 USD
View
Most Expensive
B
Taylor and Hart
XI2WAYN · Oct 26
€3,316 EUR
$3,705 USD
View
3 more retailers have this diamond
Prices start from €1,481 EURSave up to €1,836 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
€1,481 EUR