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Marquise|Lab Grown|IGI

3.88ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG812648784

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812648784

Diamond specifications and retailer prices

From €462 EUR
$516 USD
As of November 1, 2026
Save €2,984 EUR (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €3,446 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.88ct lab-grown marquise diamond

This 3.88ct 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 LG812648784 or 812648784. Listed at 4 retailers as of October 31, 2026, with prices from €462 to €3,446, a €2,984 spread on the same certified stone. Brilliant Earth lists it at €3,446. 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

3.88
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812648784
Dimensions16.52 × 8.31 × 5.00 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.52 mm8.31 mm3.88 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812648784
Side View
Table 63.0%Crown 34.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €3,446 EUR|Low: €456 EUR|High: €3,446 EUR|Avg: €1,978 EUR|+2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3€462 EUR
Retailer 2€879 EUR
Retailer 4€2,466 EUR
Brilliant Earth€3,446 EUR

35 data points across 4 retailers

4 retailers€462 EUR to €3,446 EUR

A
Cheapest Retailer
-
€462 EUR
$516 USD
Final sale: no returns
A
Retailer 2
-
€879 EUR
£773 GBP
View
Retailer 3
-
€2,466 EUR
$2,755 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
21247800A · Oct 31
€3,446 EUR
$3,850 USD
View
3 more retailers have this diamond
Prices start from €462 EURSave up to €2,984 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
3.88ct Marquise
€462 EUR