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Marquise|Lab Grown|IGI

3.98ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG812618585

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812618585

Diamond specifications and retailer prices

From $918 USD
As of October 27, 2026
Save $7,232 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,150 USD 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 LG812618585 or 812618585. Listed at 16 retailers as of October 27, 2026, with prices from $918 to $8,150, a $7,232 spread on the same certified stone. Do Amore Diamonds lists it at $8,150. 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
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812618585
Dimensions16.67 × 8.18 × 5.10 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.67 mm8.18 mm3.98 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812618585
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.3%

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 27
Current: $8,150 USD|Low: $1,240 USD|High: $9,600 USD|Avg: $3,408 USD|-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 29, 2026
Retailer 7$1,280 USD
Retailer 12$1,501 USD
Retailer 3$1,504 USD
Retailer 11$1,575 USD
Retailer 2$1,791 USD
Retailer 13$2,369 USD
Retailer 6$2,540 USD
Retailer 4$2,872 USD
Retailer 5$3,647 USD
Retailer 9$4,007 USD
Retailer 10$4,657 USD
Retailer 8$7,520 USD
Do Amore Diamonds$8,150 USD

30 data points across 13 retailers

16 retailers$918 USD to $8,150 USD

A
Cheapest Retailer
-
$918 USD
A
Retailer 2
-
$999 USD
View
A
Retailer 3
-
$1,280 USD
View
A
Retailer 4
-
$1,501 USD
View
A
Retailer 5
-
$1,504 USD
View
A
Retailer 6
-
$1,575 USD
View
A
Retailer 7
-
$1,791 USD
€1,706 EUR
View
B+
Retailer 8
-
$2,203 USD
View
B+
Retailer 9
-
$2,369 USD
View
B+
Retailer 10
-
$2,540 USD
A$3,908 AUD
View
B+
Retailer 11
-
$2,872 USD
View
B+
Retailer 12
-
$3,647 USD
A$5,610 AUD
View
Price last confirmed 21 days ago
B
Retailer 13
-
$4,007 USD
£3,155 GBP
View
B
Retailer 14
-
$4,657 USD
View
B
Retailer 15
-
$7,520 USD
View
Most Expensive
B
Do Amore Diamonds
27-98554D37C · Oct 29
$8,150 USD
View
15 more retailers have this diamond
Prices start from $918 USDSave up to $7,232 USD

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
$918 USD