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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 $1,653 USD
As of October 29, 2026
Save $6,917 USD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,570 USD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $1,653 to $8,570, a $6,917 spread on the same certified stone. Brilliant Earth lists it at $8,570. 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
Color
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: Oct 29
Current: $8,570 USD|Low: $1,653 USD|High: $11,570 USD|Avg: $4,906 USD|-25.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 5$1,653 USD
Retailer 11$1,702 USD
Retailer 2$2,024 USD
Retailer 10$2,100 USD
Retailer 8$2,234 USD
Retailer 6$3,461 USD
Retailer 9$3,608 USD
Retailer 4$4,506 USD
Retailer 7$4,888 USD
Retailer 3$5,328 USD
Brilliant Earth$8,570 USD

30 data points across 11 retailers

11 retailers$1,653 USD to $8,570 USD

A
Cheapest Retailer
-
$1,653 USD
A
Retailer 2
-
$1,702 USD
HK$13,300 HKD
View
A
Retailer 3
-
$2,024 USD
£1,594 GBP
View
A
Retailer 4
-
$2,100 USD
View
A
Retailer 5
-
$2,234 USD
€2,128 EUR
View
B+
Retailer 6
-
$3,461 USD
View
B+
Retailer 7
-
$3,608 USD
View
B+
Retailer 8
-
$4,506 USD
£3,548 GBP
View
B+
Retailer 9
-
$4,888 USD
View
B+
Retailer 10
-
$5,328 USD
View
Most Expensive
B
Brilliant Earth
20052013A · Oct 29
$8,570 USD
View
10 more retailers have this diamond
Prices start from $1,653 USDSave up to $6,917 USD

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
$1,653 USD