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Marquise|Lab Grown|IGI

3.80ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG821619477

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821619477

Diamond specifications and retailer prices

From €437 EUR
$488 USD
As of October 31, 2026
Save €2,020 EUR (82%) vs most expensive(unlock to see where)
3 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 LG821619477 or 821619477. Listed at 3 retailers as of October 28, 2026, with prices from €437 to €2,457, a €2,020 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821619477
Dimensions16.98 × 8.19 × 4.95 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.98 mm8.19 mm3.80 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821619477
Side View
Table 62.0%Crown 35.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €2,457 EUR|Low: €431 EUR|High: €2,475 EUR|Avg: €1,029 EUR|-0.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 3€437 EUR
Retailer 4€568 EUR
Retailer 2€826 EUR
Rare Carat€2,457 EUR

36 data points across 4 retailers

3 retailers€437 EUR to €2,457 EUR

A
Cheapest Retailer
-
€437 EUR
$488 USD
Final sale: no returns
A
Retailer 2
-
€826 EUR
£727 GBP
View
Most Expensive
B
Rare Carat
821619477 · Oct 28
€2,457 EUR
$2,745 USD
View
2 more retailers have this diamond
Prices start from €437 EURSave up to €2,020 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
€437 EUR