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Round|Lab Grown|IGI

3.28ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG573304068

Shape and cutting style on the report: Round brilliant

Certificate IGI LG573304068

Diamond specifications and retailer prices

From $1,109 AUD
$779 USD
As of October 30, 2026
Save $266 AUD (19%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,059 AUD at MOH London · As of October 21, 2026
View at MOH London

About this 3.28ct lab-grown round diamond

This 3.28ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG573304068 or 573304068. Listed at 4 retailers as of October 24, 2026, with a relatively tight 24% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

3.28
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG573304068
Dimensions9.42 × 9.38 × 5.87 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.42 mm9.38 mm3.28 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG573304068
Side View
Table 62.0%Crown 35.9°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.4%

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 30
Current: $4,059 AUD|Low: $565 AUD|High: $4,086 AUD|Avg: $1,611 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 24, 2026
Retailer 5$792 AUD
Retailer 4$1,109 AUD
Retailer 6$1,256 AUD
Retailer 2$1,261 AUD
Retailer 3$1,375 AUD
MOH London$4,059 AUD

33 data points across 6 retailers

4 retailers$1,109 AUD to $1,375 AUD

B+
Cheapest Retailer
-
$1,109 AUD
$779 USD
A
Retailer 2
-
$1,261 AUD
$886 USD
View
A
Retailer 3
-
$1,375 AUD
£760 GBP
View
Most Expensive
MOH London
LG573304068 · Oct 21
$4,059 AUD
£2,245 GBP
View
Price last confirmed 9 days ago
3 more retailers have this diamond
Prices start from $1,109 AUDSave up to $266 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
3.28ct Round
$1,109 AUD