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Marquise|Lab Grown|IGI

3.00ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG814643390

Shape and cutting style on the report: Hexagonal modified brilliant

Certificate IGI LG814643390

Diamond specifications and retailer prices

From $5,376 SGD
$4,205 USD
As of October 23, 2026
2 retailers carry this diamond
Most expensive: $13,222 SGD at Carat London · As of October 23, 2026
View at Carat London

About this 3ct lab-grown marquise diamond

This 3ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG814643390 or 814643390. Listed at 2 retailers as of October 23, 2026. 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

3.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814643390
Dimensions14.45 × 7.01 × 4.51 mm
L/W Ratio2.06
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.45 mm7.01 mm3.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814643390
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 64.3%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 23
Current: $13,222 SGD|Low: $2,058 SGD|High: $18,268 SGD|Avg: $7,625 SGD
Carat London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 24, 2026
Retailer 5$2,058 SGD
Retailer 3$3,431 SGD
Retailer 4$5,376 SGD
Retailer 6$6,122 SGD
Retailer 7$7,777 SGD
Carat London$13,222 SGD
Retailer 2$18,268 SGD

2 data points across 7 retailers

2 retailers$5,376 SGD to $13,222 SGD

Retailer 1
-
$5,376 SGD
$4,205 USD
Price last confirmed 8 days ago
Most Expensive
Carat London
E91018 · Oct 23
$13,222 SGD
£8,144 GBP
View
Price last confirmed 8 days ago
1 more retailer has this diamond

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.

3.00ct Marquise
$5,376 SGD