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Marquise|Lab Grown|IGI

3.06ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG825690982

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825690982

Diamond specifications and retailer prices

From $605 AUD
As of November 6, 2026
Save $3,368 AUD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,973 AUD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.06ct lab-grown marquise diamond

This 3.06ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG825690982 or 825690982. Listed at 10 retailers as of November 6, 2026, with prices from $605 to $3,973, a $3,368 spread on the same certified stone. Brilliant Earth lists it at $3,973. 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

3.06
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825690982
Dimensions14.46 × 7.60 × 4.86 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
14.46 mm7.60 mm3.06 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825690982
Side View
Table 59.0%Crown 37.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
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: Nov 6
Current: $3,973 AUD|Low: $581 AUD|High: $3,973 AUD|Avg: $1,935 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$605 AUD
Retailer 8$678 AUD
Retailer 2$914 AUD
Retailer 9$1,183 AUD
Retailer 11$1,294 AUD
Retailer 10$2,088 AUD
Retailer 7$2,106 AUD
Retailer 6$2,413 AUD
Retailer 4$2,749 AUD
Retailer 3$3,004 AUD
Brilliant Earth$3,973 AUD

30 data points across 11 retailers

10 retailers$605 AUD to $3,973 AUD

A
Cheapest Retailer
-
$605 AUD
A
Retailer 2
-
$678 AUD
View
A
Retailer 3
-
$914 AUD
View
A
Retailer 4
-
$1,294 AUD
View
B+
Retailer 5
-
$2,088 AUD
View
B+
Retailer 6
-
$2,106 AUD
View
B
Retailer 7
-
$2,413 AUD
View
B+
Retailer 8
-
$2,749 AUD
View
Retailer 9
-
$3,004 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
21703209A · Nov 6
$3,973 AUD
$2,730 USD
View
9 more retailers have this diamond
Prices start from $605 AUDSave up to $3,368 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
3.06ct Marquise
$605 AUD