Marquise|Lab Grown|IGI

3.50ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG844614688

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844614688

Diamond specifications and retailer prices

From $750 USD
As of November 1, 2026
Save $1,945 USD (72%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,695 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG844614688 or 844614688. Listed at 8 retailers as of October 28, 2026, with prices from $750 to $2,695, a $1,945 spread on the same certified stone. Rare Carat lists it at $2,695. 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 angle36.3°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844614688
Dimensions15.99 × 7.38 × 4.70 mm
L/W Ratio2.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.99 mm7.38 mm3.50 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844614688
Side View
Table 60.0%Crown 36.3°Girdle: THK-VTKPavilion 37.8°Culet: NoneDepth 63.7%

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: $2,695 USD|Low: $750 USD|High: $2,695 USD|Avg: $1,415 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 8$750 USD
Retailer 4$889 USD
Retailer 2$917 USD
Retailer 6$951 USD
Retailer 5$1,283 USD
Retailer 7$1,828 USD
Retailer 3$2,052 USD
Rare Carat$2,695 USD

14 data points across 8 retailers

8 retailers$750 USD to $2,695 USD

B+
Cheapest Retailer
-
$750 USD
A
Retailer 2
-
$889 USD
€847 EUR
View
A
Retailer 3
-
$917 USD
£722 GBP
View
A
Retailer 4
-
$951 USD
View
A
Retailer 5
-
$1,283 USD
View
B+
Retailer 6
-
$1,828 USD
View
B+
Retailer 7
-
$2,052 USD
£1,616 GBP
View
Most Expensive
B
Rare Carat
VDC-75-38_l_844614688 · Oct 28
$2,695 USD
View
7 more retailers have this diamond
Prices start from $750 USDSave up to $1,945 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
3.50ct Marquise
$750 USD