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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 $1,177 SGD
$918 USD
As of October 30, 2026
Save $9,269 SGD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,446 SGD 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 29, 2026, with prices from $1,177 to $10,446, a $9,269 spread on the same certified stone. Do Amore Diamonds lists it at $10,446. 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 angle34.9°
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 30
Current: $10,446 SGD|Low: $1,589 SGD|High: $12,304 SGD|Avg: $4,368 SGD|-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$1,641 SGD
Retailer 12$1,924 SGD
Retailer 3$1,928 SGD
Retailer 11$2,019 SGD
Retailer 2$2,296 SGD
Retailer 13$3,036 SGD
Retailer 6$3,256 SGD
Retailer 4$3,681 SGD
Retailer 5$4,674 SGD
Retailer 9$5,136 SGD
Retailer 10$5,970 SGD
Retailer 8$9,638 SGD
Do Amore Diamonds$10,446 SGD

30 data points across 13 retailers

16 retailers$1,177 SGD to $10,446 SGD

A
Cheapest Retailer
-
$1,177 SGD
$918 USD
A
Retailer 2
-
$1,280 SGD
$999 USD
View
A
Retailer 3
-
$1,641 SGD
$1,280 USD
View
A
Retailer 4
-
$1,924 SGD
$1,501 USD
View
A
Retailer 5
-
$1,928 SGD
$1,504 USD
View
A
Retailer 6
-
$2,019 SGD
$1,575 USD
View
A
Retailer 7
-
$2,296 SGD
€1,706 EUR
View
B+
Retailer 8
-
$2,824 SGD
$2,203 USD
View
B+
Retailer 9
-
$3,036 SGD
$2,369 USD
View
B+
Retailer 10
-
$3,256 SGD
A$3,908 AUD
View
B+
Retailer 11
-
$3,681 SGD
$2,872 USD
View
Retailer 12
-
$4,674 SGD
A$5,610 AUD
View
Price last confirmed 22 days ago
B
Retailer 13
-
$5,136 SGD
£3,155 GBP
View
B
Retailer 14
-
$5,970 SGD
$4,657 USD
View
B
Retailer 15
-
$9,638 SGD
$7,520 USD
View
Most Expensive
B
Do Amore Diamonds
27-98554D37C · Oct 29
$10,446 SGD
$8,150 USD
View
15 more retailers have this diamond
Prices start from $1,177 SGDSave up to $9,269 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.

A
3.98ct Marquise
$1,177 SGD