Marquise|Lab Grown|IGI

3.00ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG843644399

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843644399

Diamond specifications and retailer prices

From $509 USD
As of November 1, 2026
Save $1,696 USD (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,040 USD at Brilliant Earth · As of October 19, 2026
View at Brilliant Earth

About this 3ct lab-grown marquise diamond

This 3ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843644399 or 843644399. Listed at 4 retailers as of October 28, 2026, with a 333% 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

3.00
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843644399
Dimensions15.55 × 7.43 × 4.59 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.55 mm7.43 mm3.00 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843644399
Side View
Table 63.0%Crown 36.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,040 USD|Low: $509 USD|High: $3,040 USD|Avg: $1,666 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3$509 USD
Retailer 2$958 USD
Retailer 4$2,205 USD
Brilliant Earth$3,040 USD

25 data points across 4 retailers

4 retailers$509 USD to $2,205 USD

A
Cheapest Retailer
-
$509 USD
Final sale: no returns
A
Retailer 2
-
$958 USD
£754 GBP
View
B
Retailer 3
-
$2,205 USD
View
Most Expensive
Brilliant Earth
21781980A · Oct 19
$3,040 USD
View
Price last confirmed 14 days ago
3 more retailers have this diamond
Prices start from $509 USDSave up to $1,696 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
3.00ct Marquise
$509 USD