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Marquise|Lab Grown|IGI

3.98ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2

Diamond specifications and retailer prices

From $1,307 AUD
$918 USD
As of October 30, 2026
Save $6,127 AUD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,434 AUD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.98ct lab-grown marquise diamond

This 3.98ct 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 10 retailers as of October 30, 2026, with prices from $1,307 to $7,434, a $6,127 spread on the same certified stone. The Diamond Guys lists it at $7,434. 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

3.98
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions16.61 × 8.23 × 5.16 mm
L/W Ratio2.02
Top View
16.61 mm8.23 mm3.98 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 62.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,346 AUD|Low: $1,307 AUD|High: $8,794 AUD|Avg: $3,479 AUD|-15.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
October 30, 2026
Retailer 3$1,307 AUD
Retailer 2$1,422 AUD
Retailer 5$1,713 AUD
Retailer 1$2,346 AUD
Retailer 7$2,528 AUD
Retailer 4$3,136 AUD
Retailer 6$4,215 AUD
The Diamond Guys$7,434 AUD

36 data points across 8 retailers

10 retailers$1,307 AUD to $7,434 AUD

A
Cheapest Retailer
-
$1,307 AUD
$918 USD
A
Retailer 2
-
$1,422 AUD
$999 USD
View
Retailer 3
-
$1,485 AUD
$1,043 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
$1,713 AUD
$1,203 USD
View
A
Retailer 5
-
$2,346 AUD
£1,298 GBP
View
Retailer 6
-
$2,528 AUD
$1,776 USD
View
Price last confirmed 17 days ago
B+
Retailer 7
-
$3,136 AUD
$2,203 USD
View
Retailer 8
-
$3,563 AUD
$2,503 USD
View
Price last confirmed 20 days ago
B+
Retailer 9
-
$4,215 AUD
CA$4,112 CAD
View
Most Expensive
B
The Diamond Guys
1975596790 · Oct 30
$7,434 AUD
$5,222 USD
View
9 more retailers have this diamond
Prices start from $1,307 AUDSave up to $6,127 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.

A
3.98ct Marquise
$1,307 AUD