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Marquise|Lab Grown|IGI

5.09ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG830631326

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830631326

Diamond specifications and retailer prices

From €1,222 EUR
$1,365 USD
As of October 27, 2026
Save €7,111 EUR (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €8,333 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.09ct lab-grown marquise diamond

This 5.09ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830631326 or 830631326. Listed at 22 retailers as of October 27, 2026, with prices from €1,222 to €8,333, a €7,111 spread on the same certified stone. Brilliant Earth lists it at €8,333. 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

5.09
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830631326
Dimensions16.29 × 8.13 × 5.18 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.29 mm8.13 mm5.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830631326
Side View
Table 59.0%Crown 35.7°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 63.1%

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: Oct 27
Current: €8,333 EUR|Low: €1,222 EUR|High: €10,804 EUR|Avg: €2,989 EUR|-22.9%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 22
October 30, 2026
Retailer 20€1,222 EUR
Retailer 3€1,329 EUR
Retailer 9€1,367 EUR
Retailer 12€1,417 EUR
Retailer 22€1,417 EUR
Retailer 2€1,539 EUR
Retailer 6€1,571 EUR
Retailer 5€1,757 EUR
Retailer 13€1,993 EUR
Retailer 10€2,240 EUR
Retailer 7€2,424 EUR
Retailer 16€2,483 EUR
Retailer 4€2,641 EUR
Retailer 21€2,656 EUR
Retailer 18€2,852 EUR
Retailer 19€2,869 EUR
Retailer 8€3,424 EUR
Retailer 14€3,819 EUR
Retailer 11€4,191 EUR
Retailer 17€4,558 EUR
Retailer 15€4,981 EUR
Brilliant Earth€8,333 EUR

24 data points across 22 retailers

22 retailers€1,222 EUR to €8,333 EUR

A
Cheapest Retailer
-
€1,222 EUR
$1,365 USD
A
Retailer 2
-
€1,329 EUR
$1,485 USD
View
A
Retailer 3
-
€1,367 EUR
$1,527 USD
View
Final sale: no returns
Retailer 4
-
€1,417 EUR
$1,583 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
€1,417 EUR
$1,583 USD
View
A
Retailer 6
-
€1,539 EUR
£1,354 GBP
View
A
Retailer 7
-
€1,571 EUR
$1,755 USD
View
A
Retailer 8
-
€1,757 EUR
$1,963 USD
View
B+
Retailer 9
-
€1,993 EUR
£1,753 GBP
View
B+
Retailer 10
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€2,240 EUR
$2,502 USD
View
B+
Retailer 11
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€2,424 EUR
$2,708 USD
View
B+
Retailer 12
-
€2,483 EUR
View
B+
Retailer 13
-
€2,641 EUR
$2,951 USD
View
B+
Retailer 14
-
€2,656 EUR
$2,967 USD
View
Retailer 15
-
€2,852 EUR
ZAR 51,479 ZAR
View
Price last confirmed 7 days ago
Retailer 16
-
€2,869 EUR
A$4,932 AUD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
€3,424 EUR
£3,012 GBP
View
B+
Retailer 18
-
€3,819 EUR
$4,267 USD
View
B
Retailer 19
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€4,191 EUR
$4,682 USD
View
B
Retailer 20
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€4,558 EUR
£4,010 GBP
View
B
Retailer 21
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€4,981 EUR
$5,565 USD
View
Most Expensive
B
Brilliant Earth
21689739A · Oct 30
€8,333 EUR
$9,310 USD
View
21 more retailers have this diamond
Prices start from €1,222 EURSave up to €7,111 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
5.09ct Marquise
€1,222 EUR