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Marquise|Lab Grown|IGI

5.51ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG841609854

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841609854

Diamond specifications and retailer prices

From €903 EUR
$1,009 USD
As of October 31, 2026
Save €4,870 EUR (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €5,773 EUR at Brilliant Earth · As of October 31, 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 LG841609854 or 841609854. Listed at 21 retailers as of October 31, 2026, with prices from €903 to €5,773, a €4,870 spread on the same certified stone. Brilliant Earth lists it at €5,773. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841609854
Dimensions18.30 × 9.00 × 5.40 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.30 mm9.00 mm5.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841609854
Side View
Table 65.0%Crown 32.9°Girdle: VTK-ETKPavilion 39.1°Culet: NoneDepth 60.0%

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: €5,773 EUR|Low: €903 EUR|High: €11,314 EUR|Avg: €2,239 EUR|-49.0%
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
October 31, 2026
Retailer 6€903 EUR
Retailer 14€918 EUR
Retailer 16€1,017 EUR
Retailer 11€1,022 EUR
Retailer 12€1,023 EUR
Retailer 5€1,092 EUR
Retailer 20€1,336 EUR
Retailer 15€1,377 EUR
Retailer 13€1,442 EUR
Retailer 19€1,717 EUR
Retailer 2€1,898 EUR
Retailer 18€1,903 EUR
Retailer 10€1,916 EUR
Retailer 21€2,084 EUR
Retailer 4€2,311 EUR
Retailer 9€2,701 EUR
Retailer 7€2,930 EUR
Retailer 17€3,193 EUR
Retailer 3€3,253 EUR
Retailer 8€5,021 EUR
Brilliant Earth€5,773 EUR

27 data points across 21 retailers

21 retailers€903 EUR to €5,773 EUR

A
Cheapest Retailer
-
€903 EUR
$1,009 USD
Final sale: no returns
Retailer 2
-
€918 EUR
$1,026 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
€1,017 EUR
£895 GBP
View
Retailer 4
-
€1,022 EUR
$1,142 USD
View
Price last confirmed 19 days ago
Retailer 5
-
€1,023 EUR
$1,143 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
€1,092 EUR
$1,220 USD
View
A
Retailer 7
-
€1,336 EUR
$1,493 USD
View
B+
Retailer 8
-
€1,377 EUR
$1,538 USD
View
A
Retailer 9
-
€1,442 EUR
£1,268 GBP
View
A
Retailer 10
-
€1,717 EUR
View
A
Retailer 11
-
€1,898 EUR
A$3,262 AUD
View
A
Retailer 12
-
€1,903 EUR
ZAR 34,339 ZAR
View
Retailer 13
-
€1,916 EUR
$2,141 USD
View
Price last confirmed 19 days ago
A
Retailer 14
-
€2,084 EUR
$2,328 USD
View
B+
Retailer 15
-
€2,311 EUR
$2,582 USD
View
Retailer 16
-
€2,701 EUR
£2,376 GBP
View
Price last confirmed 8 days ago
B+
Retailer 17
-
€2,930 EUR
$3,273 USD
View
B+
Retailer 18
-
€3,193 EUR
£2,809 GBP
View
B+
Retailer 19
-
€3,253 EUR
$3,635 USD
View
B
Retailer 20
-
€5,021 EUR
$5,610 USD
View
Most Expensive
B
Brilliant Earth
21795140A · Oct 31
€5,773 EUR
$6,450 USD
View
20 more retailers have this diamond
Prices start from €903 EURSave up to €4,870 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
€903 EUR