CaratHunter
Plans
Marquise|Lab Grown|IGI

3.06ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG841645599

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841645599

Diamond specifications and retailer prices

From $561 AUD
$394 USD
As of October 31, 2026
Save $3,382 AUD (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,943 AUD at Brilliant Earth · As of October 30, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG841645599 or 841645599. Listed at 4 retailers as of October 30, 2026, with prices from $561 to $3,943, a $3,382 spread on the same certified stone. Brilliant Earth lists it at $3,943. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841645599
Dimensions14.77 × 7.49 × 4.82 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.77 mm7.49 mm3.06 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841645599
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $3,943 AUD|Low: $561 AUD|High: $3,943 AUD|Avg: $2,284 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 3$561 AUD
Retailer 2$1,154 AUD
Retailer 4$3,054 AUD
Brilliant Earth$3,943 AUD

24 data points across 4 retailers

4 retailers$561 AUD to $3,943 AUD

A
Cheapest Retailer
-
$561 AUD
$394 USD
Final sale: no returns
A
Retailer 2
-
$1,154 AUD
£638 GBP
View
Retailer 3
-
$3,054 AUD
$2,145 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21706818A · Oct 30
$3,943 AUD
$2,770 USD
View
3 more retailers have this diamond
Prices start from $561 AUDSave up to $3,382 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
$561 AUD