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Marquise|Lab Grown|IGI

5.05ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG849659886

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG849659886

Diamond specifications and retailer prices

From $1,356 SGD
£835 GBP
As of October 30, 2026
2 retailers carry this diamond
Most expensive: $9,741 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.05ct lab-grown marquise diamond

This 5.05ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG849659886 or 849659886. Listed at 2 retailers as of October 30, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849659886
Dimensions17.68 × 8.74 × 5.66 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
17.68 mm8.74 mm5.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849659886
Side View
Table 61.0%Crown 37.5°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 64.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $9,741 SGD|Low: $1,356 SGD|High: $9,741 SGD|Avg: $6,387 SGD
Brilliant Earth
Retailer 2
October 30, 2026
Retailer 2$1,356 SGD
Brilliant Earth$9,741 SGD

3 data points across 2 retailers

2 retailers

B+
Cheapest Retailer
-
$1,356 SGD
£835 GBP
Most Expensive
Brilliant Earth
22344963A · Oct 30
$9,741 SGD
$7,620 USD
View
Price under review
1 more retailer has this diamond
Prices start from $1,356 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.

B+
5.05ct Marquise
$1,356 SGD