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Marquise|Lab Grown|IGI

3.01ct E SI1 Marquise Lab Grown Diamond

VG • E/SI1 • IGI LG842605166

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842605166

Diamond specifications and retailer prices

From $552 AUD
$388 USD
As of October 31, 2026
Save $3,334 AUD (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,886 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.01ct lab-grown marquise diamond

This 3.01ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG842605166 or 842605166. Listed at 4 retailers as of October 31, 2026, with prices from $552 to $3,886, a $3,334 spread on the same certified stone. Brilliant Earth lists it at $3,886. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.01
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842605166
Dimensions15.44 × 7.57 × 4.65 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
15.44 mm7.57 mm3.01 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842605166
Side View
Table 62.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.4%

Caratlytics Score

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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 31
Current: $3,886 AUD|Low: $552 AUD|High: $6,477 AUD|Avg: $3,053 AUD|-40.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 3$552 AUD
Retailer 2$1,145 AUD
Retailer 4$3,004 AUD
Brilliant Earth$3,886 AUD

23 data points across 4 retailers

4 retailers$552 AUD to $3,886 AUD

A
Cheapest Retailer
-
$552 AUD
$388 USD
Final sale: no returns
A
Retailer 2
-
$1,145 AUD
£633 GBP
View
B
Retailer 3
-
$3,004 AUD
$2,110 USD
View
Most Expensive
B
Brilliant Earth
21704899A · Oct 31
$3,886 AUD
$2,730 USD
View
3 more retailers have this diamond
Prices start from $552 AUDSave up to $3,334 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
3.01ct Marquise
$552 AUD