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Marquise|Lab Grown|IGI

3.02ct D SI1 Marquise Lab Grown Diamond

VG • D/SI1 • IGI LG842617386

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842617386

Diamond specifications and retailer prices

From $575 AUD
$404 USD
As of October 31, 2026
Save $3,596 AUD (86%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,171 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.02ct lab-grown marquise diamond

This 3.02ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG842617386 or 842617386. Listed at 3 retailers as of October 30, 2026, with prices from $575 to $4,171, a $3,596 spread on the same certified stone. Brilliant Earth lists it at $4,171. 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

3.02
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842617386
Dimensions14.33 × 7.55 × 4.81 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.33 mm7.55 mm3.02 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842617386
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $4,171 AUD|Low: $575 AUD|High: $4,171 AUD|Avg: $1,176 AUD
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3$575 AUD
Retailer 2$1,186 AUD
Brilliant Earth$4,171 AUD

21 data points across 3 retailers

3 retailers$575 AUD to $4,171 AUD

A
Cheapest Retailer
-
$575 AUD
$404 USD
Final sale: no returns
A
Retailer 2
-
$1,186 AUD
£656 GBP
View
Most Expensive
B
Brilliant Earth
21714741A · Oct 30
$4,171 AUD
$2,930 USD
View
2 more retailers have this diamond
Prices start from $575 AUDSave up to $3,596 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
3.02ct Marquise
$575 AUD