Marquise|Lab Grown|IGI

3.10ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG843645166

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843645166

Diamond specifications and retailer prices

From €474 EUR
$530 USD
As of October 30, 2026
Save €5,021 EUR (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €5,496 EUR at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 3.1ct lab-grown marquise diamond

This 3.1ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843645166 or 843645166. Listed at 24 retailers as of October 27, 2026, with prices from €474 to €5,496, a €5,021 spread on the same certified stone. Brilliant Earth lists it at €5,496. 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

3.10
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843645166
Dimensions15.31 × 7.48 × 4.76 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.31 mm7.48 mm3.10 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843645166
Side View
Table 63.0%Crown 35.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
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 30
Current: €5,496 EUR|Low: €474 EUR|High: €5,496 EUR|Avg: €1,455 EUR
Brilliant Earth
Retailer 2
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Retailer 24
November 1, 2026
Retailer 3€474 EUR
Retailer 12€530 EUR
Retailer 6€531 EUR
Retailer 4€588 EUR
Retailer 9€588 EUR
Retailer 13€671 EUR
Retailer 10€712 EUR
Retailer 22€788 EUR
Retailer 18€905 EUR
Retailer 11€908 EUR
Retailer 24€979 EUR
Retailer 8€1,213 EUR
Retailer 20€1,242 EUR
Retailer 21€1,277 EUR
Retailer 19€1,291 EUR
Retailer 7€1,306 EUR
Retailer 5€1,547 EUR
Retailer 16€1,911 EUR
Retailer 17€1,930 EUR
Retailer 15€2,011 EUR
Retailer 14€2,181 EUR
Retailer 2€2,455 EUR
Retailer 23€2,658 EUR
Brilliant Earth€5,496 EUR

19 data points across 24 retailers

24 retailers€474 EUR to €5,496 EUR

A
Cheapest Retailer
-
€474 EUR
$530 USD
A
Retailer 2
-
€530 EUR
$592 USD
View
Final sale: no returns
A
Retailer 3
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€531 EUR
$593 USD
View
A
Retailer 4
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€588 EUR
$657 USD
View
Retailer 5
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€588 EUR
$657 USD
View
Price last confirmed 15 days ago
A
Retailer 6
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€671 EUR
£590 GBP
View
A
Retailer 7
-
€712 EUR
$795 USD
View
B+
Retailer 8
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€788 EUR
$880 USD
View
A
Retailer 9
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€905 EUR
£796 GBP
View
A
Retailer 10
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€908 EUR
$1,014 USD
View
A
Retailer 11
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€979 EUR
View
A
Retailer 12
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€1,213 EUR
$1,355 USD
View
A
Retailer 13
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€1,242 EUR
A$2,135 AUD
View
A
Retailer 14
-
€1,277 EUR
ZAR 23,053 ZAR
View
A
Retailer 15
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€1,291 EUR
$1,442 USD
View
Retailer 16
-
€1,306 EUR
$1,459 USD
View
Price last confirmed 8 days ago
B+
Retailer 17
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€1,547 EUR
$1,728 USD
View
B+
Retailer 18
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€1,911 EUR
$2,135 USD
View
B+
Retailer 19
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€1,930 EUR
$2,156 USD
View
B+
Retailer 20
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€2,011 EUR
$2,246 USD
View
B
Retailer 21
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€2,181 EUR
$2,437 USD
View
B+
Retailer 22
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€2,455 EUR
£2,160 GBP
View
B
Retailer 23
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€2,658 EUR
$2,970 USD
View
Most Expensive
B
Brilliant Earth
21738941A · Oct 27
€5,496 EUR
$6,140 USD
View
23 more retailers have this diamond
Prices start from €474 EURSave up to €5,021 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
3.10ct Marquise
€474 EUR