Marquise|Lab Grown|IGI

3.06ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG834614421

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG834614421

Diamond specifications and retailer prices

From $389 USD
As of October 31, 2026
Save $1,971 USD (84%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,360 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.06ct lab-grown marquise diamond

This 3.06ct lab-grown marquise sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG834614421 or 834614421. Listed at 4 retailers as of October 31, 2026, with prices from $389 to $2,360, a $1,971 spread on the same certified stone. Brilliant Earth lists it at $2,360. 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

3.06
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834614421
Dimensions15.08 × 7.39 × 4.75 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.08 mm7.39 mm3.06 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834614421
Side View
Table 61.0%Crown 37.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $2,360 USD|Low: $389 USD|High: $3,990 USD|Avg: $1,529 USD|-40.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 3$389 USD
Retailer 5$677 USD
Retailer 2$802 USD
Retailer 4$2,080 USD
Brilliant Earth$2,360 USD

38 data points across 5 retailers

4 retailers$389 USD to $2,360 USD

A
Cheapest Retailer
-
$389 USD
Final sale: no returns
A
Retailer 2
-
$802 USD
£631 GBP
View
Retailer 3
-
$2,080 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21268471A · Oct 31
$2,360 USD
View
3 more retailers have this diamond
Prices start from $389 USDSave up to $1,971 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
3.06ct Marquise
$389 USD