Marquise|Lab Grown|IGI

3.05ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG841690348

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841690348

Diamond specifications and retailer prices

From $383 USD
As of October 31, 2026
Save $1,907 USD (83%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,290 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.05ct lab-grown marquise diamond

This 3.05ct 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 LG841690348 or 841690348. Listed at 4 retailers as of October 31, 2026, with prices from $383 to $2,290, a $1,907 spread on the same certified stone. Brilliant Earth lists it at $2,290. 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

3.05
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841690348
Dimensions14.73 × 7.49 × 4.78 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
14.73 mm7.49 mm3.05 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841690348
Side View
Table 62.0%Crown 37.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $2,290 USD|Low: $383 USD|High: $3,980 USD|Avg: $1,802 USD|-42.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3$383 USD
Retailer 2$785 USD
Retailer 4$2,075 USD
Brilliant Earth$2,290 USD

25 data points across 4 retailers

4 retailers$383 USD to $2,290 USD

A
Cheapest Retailer
-
$383 USD
Final sale: no returns
A
Retailer 2
-
$785 USD
£618 GBP
View
Retailer 3
-
$2,075 USD
View
Price last confirmed 10 days ago
Most Expensive
B+
Brilliant Earth
21710233A · Oct 31
$2,290 USD
View
3 more retailers have this diamond
Prices start from $383 USDSave up to $1,907 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
3.05ct Marquise
$383 USD