Marquise|Lab Grown|IGI

3.87ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG818614648

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818614648

Diamond specifications and retailer prices

From $528 USD
As of October 29, 2026
Save $3,492 USD (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,020 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.87ct lab-grown marquise diamond

This 3.87ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818614648 or 818614648. Listed at 4 retailers as of October 29, 2026, with prices from $528 to $4,020, a $3,492 spread on the same certified stone. Brilliant Earth lists it at $4,020. 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

3.87
Carat
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818614648
Dimensions15.57 × 8.24 × 5.22 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.57 mm8.24 mm3.87 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818614648
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $4,020 USD|Low: $521 USD|High: $4,020 USD|Avg: $2,114 USD|+0.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 3$528 USD
Retailer 2$1,009 USD
Retailer 4$3,335 USD
Brilliant Earth$4,020 USD

37 data points across 4 retailers

4 retailers$528 USD to $4,020 USD

A
Cheapest Retailer
-
$528 USD
Final sale: no returns
A
Retailer 2
-
$1,009 USD
£794 GBP
View
B
Retailer 3
-
$3,335 USD
View
Most Expensive
B
Brilliant Earth
21228758A · Oct 30
$4,020 USD
View
3 more retailers have this diamond
Prices start from $528 USDSave up to $3,492 USD

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
3.87ct Marquise
$528 USD