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Oval|Lab Grown|IGI

3.28ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG787623559

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG787623559

Diamond specifications and retailer prices

From $2,353 AUD
$1,653 USD
As of November 1, 2026
Save $8,552 AUD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,905 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.28ct lab-grown oval diamond

This 3.28ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787623559 or 787623559. Listed at 11 retailers as of October 31, 2026, with prices from $2,353 to $10,905, a $8,552 spread on the same certified stone. Brilliant Earth lists it at $10,905. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.28
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623559
Dimensions11.78 × 8.38 × 5.29 mm
L/W Ratio1.41
Girdle conditionFaceted
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
11.78 mm8.38 mm3.28 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623559
Side View
Table 62.0%Crown 35.1°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 63.1%

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 1
Current: $10,905 AUD|Low: $2,353 AUD|High: $16,471 AUD|Avg: $6,817 AUD|-33.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6$2,353 AUD
Retailer 11$2,424 AUD
Retailer 2$2,882 AUD
Retailer 10$2,990 AUD
Retailer 4$3,179 AUD
Retailer 7$4,927 AUD
Retailer 9$5,136 AUD
Retailer 5$6,415 AUD
Retailer 8$6,959 AUD
Retailer 3$7,585 AUD
Brilliant Earth$10,905 AUD

31 data points across 11 retailers

11 retailers$2,353 AUD to $10,905 AUD

A
Cheapest Retailer
-
$2,353 AUD
$1,653 USD
A
Retailer 2
-
$2,424 AUD
HK$13,300 HKD
View
A
Retailer 3
-
$2,882 AUD
£1,594 GBP
View
A
Retailer 4
-
$2,990 AUD
$2,100 USD
View
A
Retailer 5
-
$3,179 AUD
€2,127 EUR
View
B+
Retailer 6
-
$4,927 AUD
$3,461 USD
View
B+
Retailer 7
-
$5,136 AUD
$3,608 USD
View
B+
Retailer 8
-
$6,415 AUD
£3,548 GBP
View
B+
Retailer 9
-
$6,959 AUD
$4,888 USD
View
B+
Retailer 10
-
$7,585 AUD
$5,328 USD
View
Most Expensive
B
Brilliant Earth
20052013A · Oct 31
$10,905 AUD
$7,660 USD
View
10 more retailers have this diamond
Prices start from $2,353 AUDSave up to $8,552 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 Oval
$2,353 AUD