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Marquise|Lab Grown|IGI

3.80ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG843619809

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843619809

Diamond specifications and retailer prices

From €406 EUR
$454 USD
As of November 2, 2026
Save €2,051 EUR (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,457 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.8ct lab-grown marquise diamond

This 3.8ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843619809 or 843619809. Listed at 12 retailers as of October 28, 2026, with prices from €406 to €2,457, a €2,051 spread on the same certified stone. Rare Carat lists it at €2,457. 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

3.80
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843619809
Dimensions16.30 × 8.27 × 5.04 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.30 mm8.27 mm3.80 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843619809
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.9%

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: Nov 2
Current: €2,457 EUR|Low: €406 EUR|High: €2,457 EUR|Avg: €1,295 EUR
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 13€406 EUR
Retailer 7€455 EUR
Retailer 11€564 EUR
Retailer 6€766 EUR
Retailer 5€865 EUR
Retailer 2€1,064 EUR
Retailer 9€1,354 EUR
Retailer 8€1,356 EUR
Retailer 4€1,619 EUR
Retailer 3€1,761 EUR
Retailer 10€1,861 EUR
Retailer 12€2,272 EUR
Rare Carat€2,457 EUR

9 data points across 13 retailers

12 retailers€406 EUR to €2,457 EUR

A
Cheapest Retailer
-
€406 EUR
$454 USD
A
Retailer 2
-
€455 EUR
$508 USD
View
Retailer 3
-
€766 EUR
View
Price last confirmed 8 days ago
A
Retailer 4
-
€865 EUR
$966 USD
View
A
Retailer 5
-
€1,064 EUR
A$1,829 AUD
View
A
Retailer 6
-
€1,354 EUR
$1,513 USD
View
B+
Retailer 7
-
€1,356 EUR
$1,515 USD
View
B+
Retailer 8
-
€1,619 EUR
$1,809 USD
View
B+
Retailer 9
-
€1,761 EUR
$1,967 USD
View
B+
Retailer 10
-
€1,861 EUR
£1,637 GBP
View
B+
Retailer 11
-
€2,272 EUR
$2,538 USD
View
Most Expensive
B
Rare Carat
LGMQ30-167873 · Oct 28
€2,457 EUR
$2,745 USD
View
11 more retailers have this diamond
Prices start from €406 EURSave up to €2,051 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
3.80ct Marquise
€406 EUR