Marquise|Lab Grown|IGI

3.90ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2

Diamond specifications and retailer prices

From $3,709 SGD
CA$4,029 CAD
As of October 30, 2026
Save $2,833 SGD (43%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $6,542 SGD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.9ct lab-grown marquise diamond

This 3.9ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 3 retailers as of October 30, 2026, with prices from $3,709 to $6,542, a $2,833 spread on the same certified stone. The Diamond Guys lists it at $6,542. 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

3.90
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions15.66 × 8.33 × 5.21 mm
L/W Ratio1.88
Top View
15.66 mm8.33 mm3.90 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 63.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.5%

Caratlytics Score

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

Last verified: Oct 30
Current: $3,709 SGD|Low: $1,951 SGD|High: $7,738 SGD|Avg: $4,420 SGD|-15.5%
Retailer 1
Retailer 2
The Diamond Guys
October 15, 2026
Retailer 2$1,951 SGD
Retailer 1$3,709 SGD
The Diamond Guys$6,542 SGD

3 data points across 3 retailers

3 retailers$3,709 SGD to $6,542 SGD

Retailer 1
-
$1,951 SGD
$1,526 USD
Price last confirmed 15 days ago
B+
Retailer 2
-
$3,709 SGD
CA$4,029 CAD
View
Most Expensive
B
The Diamond Guys
1965158768 · Oct 30
$6,542 SGD
$5,117 USD
View
2 more retailers have this diamond
Prices start from $3,709 SGDSave up to $2,833 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+
3.90ct Marquise
$3,709 SGD