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Marquise|Lab Grown|IGI

3.90ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2

Diamond specifications and retailer prices

From $4,130 AUD
CA$4,029 CAD
As of October 30, 2026
Save $3,155 AUD (43%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $7,285 AUD 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 $4,130 to $7,285, a $3,155 spread on the same certified stone. The Diamond Guys lists it at $7,285. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,130 AUD|Low: $2,172 AUD|High: $8,617 AUD|Avg: $4,922 AUD|-15.5%
Retailer 1
Retailer 2
The Diamond Guys
October 15, 2026
Retailer 2$2,172 AUD
Retailer 1$4,130 AUD
The Diamond Guys$7,285 AUD

3 data points across 3 retailers

3 retailers$4,130 AUD to $7,285 AUD

Retailer 1
-
$2,172 AUD
$1,526 USD
Price last confirmed 15 days ago
B+
Retailer 2
-
$4,130 AUD
CA$4,029 CAD
View
Most Expensive
B
The Diamond Guys
1965158768 · Oct 30
$7,285 AUD
$5,117 USD
View
2 more retailers have this diamond
Prices start from $4,130 AUDSave up to $3,155 AUD

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
$4,130 AUD