Marquise|Lab Grown|IGI

5.09ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG843668517

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843668517

Diamond specifications and retailer prices

From €1,160 EUR
$1,296 USD
As of October 30, 2026
Save €6,860 EUR (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €8,020 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 LG843668517 or 843668517. Listed at 23 retailers as of October 30, 2026, with prices from €1,160 to €8,020, a €6,860 spread on the same certified stone. Brilliant Earth lists it at €8,020. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843668517
Dimensions17.42 × 8.87 × 5.61 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.42 mm8.87 mm5.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843668517
Side View
Table 60.0%Crown 38.2°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €8,020 EUR|Low: €1,160 EUR|High: €8,020 EUR|Avg: €2,600 EUR
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 12
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Retailer 17
Retailer 18
Retailer 19
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Retailer 21
Retailer 22
Retailer 23
October 31, 2026
Retailer 9€1,160 EUR
Retailer 22€1,262 EUR
Retailer 14€1,298 EUR
Retailer 5€1,345 EUR
Retailer 8€1,464 EUR
Retailer 23€1,499 EUR
Retailer 12€1,624 EUR
Retailer 16€1,765 EUR
Retailer 13€1,896 EUR
Retailer 19€2,239 EUR
Retailer 17€2,359 EUR
Retailer 3€2,403 EUR
Retailer 11€2,521 EUR
Retailer 21€2,724 EUR
Retailer 18€2,733 EUR
Retailer 15€3,247 EUR
Retailer 7€3,860 EUR
Retailer 6€4,002 EUR
Retailer 20€4,328 EUR
Retailer 2€4,512 EUR
Retailer 10€4,723 EUR
Retailer 4€5,062 EUR
Brilliant Earth€8,020 EUR

17 data points across 23 retailers

23 retailers€1,160 EUR to €8,020 EUR

A
Cheapest Retailer
-
€1,160 EUR
$1,296 USD
A
Retailer 2
-
€1,262 EUR
$1,410 USD
View
A
Retailer 3
-
€1,298 EUR
$1,450 USD
View
Final sale: no returns
A
Retailer 4
-
€1,345 EUR
$1,503 USD
View
Retailer 5
-
€1,464 EUR
£1,288 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
€1,499 EUR
$1,675 USD
View
A
Retailer 7
-
€1,624 EUR
$1,814 USD
View
A
Retailer 8
-
€1,765 EUR
$1,972 USD
View
A
Retailer 9
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€1,896 EUR
£1,668 GBP
View
B+
Retailer 10
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€2,239 EUR
View
B+
Retailer 11
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€2,359 EUR
$2,635 USD
View
B+
Retailer 12
-
€2,403 EUR
$2,685 USD
View
B+
Retailer 13
-
€2,521 EUR
$2,817 USD
View
Retailer 14
-
€2,724 EUR
A$4,682 AUD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
€2,733 EUR
ZAR 49,330 ZAR
View
B
Retailer 16
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€3,247 EUR
£2,856 GBP
View
B
Retailer 17
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€3,860 EUR
$4,312 USD
View
B
Retailer 18
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€4,002 EUR
$4,472 USD
View
B
Retailer 19
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€4,328 EUR
£3,807 GBP
View
B
Retailer 20
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€4,512 EUR
A$7,755 AUD
View
B
Retailer 21
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€4,723 EUR
$5,276 USD
View
B
Retailer 22
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€5,062 EUR
$5,655 USD
View
Most Expensive
B
Brilliant Earth
22286823A · Oct 30
€8,020 EUR
$8,960 USD
View
22 more retailers have this diamond
Prices start from €1,160 EURSave up to €6,860 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
€1,160 EUR