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Marquise|Lab Grown|IGI

5.50ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG635409128

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG635409128

Diamond specifications and retailer prices

From €691 EUR
$775 USD
As of November 2, 2026
Save €3,437 EUR (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,128 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 5.5ct lab-grown marquise diamond

This 5.5ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG635409128 or 635409128. Listed at 19 retailers as of November 2, 2026, with prices from €691 to €4,128, a €3,437 spread on the same certified stone. Brilliant Earth lists it at €4,128. 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

5.50
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635409128
Dimensions18.27 × 9.30 × 5.63 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
18.27 mm9.30 mm5.50 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635409128
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 39°Culet: NoneDepth 60.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €4,128 EUR|Low: €646 EUR|High: €7,373 EUR|Avg: €1,798 EUR|-44.0%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 3, 2026
Retailer 5€691 EUR
Retailer 12€752 EUR
Retailer 10€794 EUR
Retailer 7€802 EUR
Retailer 11€897 EUR
Retailer 14€958 EUR
Retailer 3€1,148 EUR
Retailer 2€1,217 EUR
Retailer 17€1,221 EUR
Retailer 8€1,245 EUR
Retailer 16€1,765 EUR
Retailer 15€1,906 EUR
Retailer 13€2,254 EUR
Retailer 6€2,487 EUR
Retailer 18€2,710 EUR
Retailer 4€2,769 EUR
Retailer 9€2,977 EUR
Brilliant Earth€4,128 EUR

30 data points across 18 retailers

19 retailers€691 EUR to €4,128 EUR

A
Cheapest Retailer
-
€691 EUR
$775 USD
A
Retailer 2
-
€752 EUR
$843 USD
View
Retailer 3
-
€794 EUR
$890 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
€802 EUR
$899 USD
View
A
Retailer 5
-
€897 EUR
£792 GBP
View
A
Retailer 6
-
€958 EUR
$1,075 USD
View
B+
Retailer 7
-
€1,148 EUR
$1,288 USD
View
A
Retailer 8
-
€1,217 EUR
£1,075 GBP
View
A
Retailer 9
-
€1,221 EUR
$1,369 USD
View
A
Retailer 10
-
€1,245 EUR
View
B+
Retailer 11
-
€1,765 EUR
$1,980 USD
View
B+
Retailer 12
-
€1,906 EUR
$2,138 USD
View
B+
Retailer 13
-
€2,254 EUR
$2,528 USD
View
B+
Retailer 14
-
€2,487 EUR
£2,196 GBP
View
B
Retailer 15
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€2,710 EUR
$3,039 USD
View
B
Retailer 16
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€2,769 EUR
$3,106 USD
View
Retailer 17
-
€2,977 EUR
£2,629 GBP
View
Price last confirmed 7 days ago
B
Retailer 18
-
€3,450 EUR
$3,870 USD
View
Most Expensive
B
Brilliant Earth
21793524A · Nov 2
€4,128 EUR
$4,630 USD
View
18 more retailers have this diamond
Prices start from €691 EURSave up to €3,437 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
5.50ct Marquise
€691 EUR