Marquise|Lab Grown|IGI

3.07ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG837609091

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837609091

Diamond specifications and retailer prices

From $390 USD
As of November 1, 2026
Save $414 USD (52%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,085 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 3.07ct lab-grown marquise diamond

This 3.07ct 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 LG837609091 or 837609091. Listed at 3 retailers as of November 1, 2026, with a 106% 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

3.07
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837609091
Dimensions14.90 × 7.56 × 4.81 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.90 mm7.56 mm3.07 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837609091
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,085 USD|Low: $390 USD|High: $2,110 USD|Avg: $1,258 USD|-1.2%
Rare Carat
Retailer 2
Retailer 3
November 3, 2026
Retailer 3$390 USD
Retailer 2$804 USD
Rare Carat$2,085 USD

38 data points across 3 retailers

3 retailers$390 USD to $804 USD

A
Cheapest Retailer
-
$390 USD
Final sale: no returns
A
Retailer 2
-
$804 USD
£633 GBP
View
Most Expensive
Rare Carat
837609091 · Oct 18
$2,085 USD
View
Price last confirmed 15 days ago
2 more retailers have this diamond
Prices start from $390 USDSave up to $414 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
3.07ct Marquise
$390 USD