Marquise|Lab Grown|IGI

3.06ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG843622686

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843622686

Diamond specifications and retailer prices

From $384 USD
As of October 31, 2026
Save $410 USD (52%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,080 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG843622686 or 843622686. Listed at 3 retailers as of October 31, 2026, with a 107% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843622686
Dimensions14.97 × 7.56 × 4.74 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.97 mm7.56 mm3.06 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843622686
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $2,080 USD|Low: $384 USD|High: $2,100 USD|Avg: $1,200 USD|-1.0%
Rare Carat
Retailer 2
Retailer 3
October 31, 2026
Retailer 3$384 USD
Retailer 2$794 USD
Rare Carat$2,080 USD

22 data points across 3 retailers

3 retailers$384 USD to $794 USD

A
Cheapest Retailer
-
$384 USD
Final sale: no returns
A
Retailer 2
-
$794 USD
£625 GBP
View
Most Expensive
Rare Carat
843622686 · Oct 18
$2,080 USD
View
Price last confirmed 13 days ago
2 more retailers have this diamond
Prices start from $384 USDSave up to $410 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
$384 USD