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Marquise|Lab Grown|IGI

3.98ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG811661435

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811661435

Diamond specifications and retailer prices

From $1,822 AUD
$1,280 USD
As of October 29, 2026
Save $9,780 AUD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,602 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG811661435 or 811661435. Listed at 16 retailers as of October 29, 2026, with prices from $1,822 to $11,602, a $9,780 spread on the same certified stone. Do Amore Diamonds lists it at $11,602. 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
Crown angle34.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811661435
Dimensions16.61 × 8.23 × 5.16 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.61 mm8.23 mm3.98 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811661435
Side View
Table 62.0%Crown 34.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: Oct 29
Current: $11,602 AUD|Low: $1,822 AUD|High: $13,667 AUD|Avg: $4,913 AUD|-15.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 9$1,822 AUD
Retailer 12$2,137 AUD
Retailer 3$2,142 AUD
Retailer 11$2,242 AUD
Retailer 6$2,550 AUD
Retailer 13$3,373 AUD
Retailer 8$3,616 AUD
Retailer 4$4,089 AUD
Retailer 5$5,252 AUD
Retailer 7$5,704 AUD
Retailer 10$6,630 AUD
Retailer 2$7,488 AUD
Do Amore Diamonds$11,602 AUD

32 data points across 13 retailers

16 retailers$1,822 AUD to $11,602 AUD

Retailer 1
-
$1,478 AUD
$1,038 USD
Price last confirmed 28 days ago
Retailer 2
-
$1,674 AUD
$1,176 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
$1,822 AUD
$1,280 USD
View
A
Retailer 4
-
$2,137 AUD
$1,501 USD
View
A
Retailer 5
-
$2,142 AUD
$1,504 USD
View
A
Retailer 6
-
$2,242 AUD
$1,575 USD
View
A
Retailer 7
-
$2,550 AUD
€1,706 EUR
View
B+
Retailer 8
-
$3,373 AUD
$2,369 USD
View
B+
Retailer 9
-
$3,616 AUD
View
Retailer 10
-
$3,694 AUD
$2,595 USD
View
Price last confirmed 30 days ago
B+
Retailer 11
-
$4,089 AUD
$2,872 USD
View
Retailer 12
-
$5,252 AUD
View
Price last confirmed 25 days ago
B
Retailer 13
-
$5,704 AUD
£3,155 GBP
View
B
Retailer 14
-
$6,630 AUD
$4,657 USD
View
B
Retailer 15
-
$7,488 AUD
$5,260 USD
View
Most Expensive
B
Do Amore Diamonds
27-4ECD46D90 · Oct 29
$11,602 AUD
$8,150 USD
View
15 more retailers have this diamond
Prices start from $1,822 AUDSave up to $9,780 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
$1,822 AUD