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Marquise|Lab Grown|IGI

3.50ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG734532559

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG734532559

Diamond specifications and retailer prices

From $1,844 USD
CA$2,561 CAD
As of October 30, 2026
Save $816 USD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,660 USD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.5ct lab-grown marquise diamond

This 3.5ct 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 LG734532559 or 734532559. Listed at 2 retailers as of October 30, 2026, with prices from $1,844 to $2,660, a $816 spread on the same certified stone. The Diamond Guys lists it at $2,660. 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

3.50
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG734532559
Dimensions15.56 × 7.77 × 5.03 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Top View
15.56 mm7.77 mm3.50 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG734532559
Side View
Table 59.0%Crown 35.6°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 64.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $1,844 USD|Low: $714 USD|High: $6,741 USD|Avg: $2,644 USD|-14.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
The Diamond Guys
August 3, 2026
Retailer 2$714 USD
Retailer 3$1,006 USD
Retailer 5$1,130 USD
Retailer 8$1,225 USD
Retailer 7$1,775 USD
Retailer 1$1,844 USD
Retailer 4$1,951 USD
Retailer 6$2,285 USD
The Diamond Guys$2,660 USD

67 data points across 9 retailers

2 retailers$1,844 USD to $2,660 USD

B+
Cheapest Retailer
-
$1,844 USD
CA$2,561 CAD
Most Expensive
B
The Diamond Guys
1873544233 · Nov 1
$2,660 USD
View
1 more retailer has this diamond
Prices start from $1,844 USDSave up to $816 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.

B+
3.50ct Marquise
$1,844 USD