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Marquise|Lab Grown|IGI

3.93ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG848622380

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848622380

Diamond specifications and retailer prices

From $1,476 AUD
£816 GBP
As of October 31, 2026
Save $4,446 AUD (75%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,922 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.93ct lab-grown marquise diamond

This 3.93ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG848622380 or 848622380. Listed at 2 retailers as of October 30, 2026, with prices from $1,476 to $5,922, a $4,446 spread on the same certified stone. Brilliant Earth lists it at $5,922. 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

3.93
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848622380
Dimensions16.11 × 8.27 × 5.28 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.11 mm8.27 mm3.93 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848622380
Side View
Table 60.0%Crown 35.1°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 63.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $5,922 AUD|Low: $1,410 AUD|High: $5,922 AUD|Avg: $2,454 AUD
Brilliant Earth
Retailer 2
October 31, 2026
Retailer 2$1,476 AUD
Brilliant Earth$5,922 AUD

7 data points across 2 retailers

2 retailers$1,476 AUD to $5,922 AUD

A
Cheapest Retailer
-
$1,476 AUD
£816 GBP
Most Expensive
B
Brilliant Earth
22259973A · Oct 30
$5,922 AUD
$4,160 USD
View
1 more retailer has this diamond
Prices start from $1,476 AUDSave up to $4,446 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
3.93ct Marquise
$1,476 AUD