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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 $2,358 SGD
CA$2,561 CAD
As of November 2, 2026
Save $1,044 SGD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,402 SGD 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 November 1, 2026, with prices from $2,358 to $3,402, a $1,044 spread on the same certified stone. The Diamond Guys lists it at $3,402. 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,358 SGD|Low: $913 SGD|High: $8,621 SGD|Avg: $3,382 SGD|-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$913 SGD
Retailer 3$1,287 SGD
Retailer 5$1,445 SGD
Retailer 8$1,567 SGD
Retailer 7$2,269 SGD
Retailer 1$2,358 SGD
Retailer 4$2,495 SGD
Retailer 6$2,922 SGD
The Diamond Guys$3,402 SGD

67 data points across 9 retailers

2 retailers$2,358 SGD to $3,402 SGD

B+
Cheapest Retailer
-
$2,358 SGD
CA$2,561 CAD
Most Expensive
B
The Diamond Guys
1873544233 · Nov 1
$3,402 SGD
$2,660 USD
View
1 more retailer has this diamond
Prices start from $2,358 SGDSave up to $1,044 SGD

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
$2,358 SGD