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Oval|Lab Grown|IGI

3.09ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG778652172

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778652172

Diamond specifications and retailer prices

From $1,533 AUD
$1,077 USD
As of October 29, 2026
Save $11,991 AUD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $13,524 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.09ct lab-grown oval diamond

This 3.09ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778652172 or 778652172. Listed at 22 retailers as of October 29, 2026, with prices from $1,533 to $13,524, a $11,991 spread on the same certified stone. Brilliant Earth lists it at $13,524. 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

3.09
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778652172
Dimensions11.76 × 8.26 × 5.04 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.76 mm8.26 mm3.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778652172
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

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 29
Current: $13,524 AUD|Low: $1,715 AUD|High: $13,610 AUD|Avg: $4,371 AUD|-0.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 5$1,715 AUD
Retailer 14$1,986 AUD
Retailer 3$2,256 AUD
Retailer 2$2,576 AUD
Retailer 9$2,764 AUD
Retailer 15$2,834 AUD
Retailer 13$3,391 AUD
Retailer 11$4,013 AUD
Retailer 10$4,091 AUD
Retailer 4$4,382 AUD
Retailer 6$4,903 AUD
Retailer 12$5,149 AUD
Retailer 8$6,040 AUD
Retailer 7$6,214 AUD
Brilliant Earth$13,524 AUD

44 data points across 15 retailers

22 retailers$1,533 AUD to $13,524 AUD

A
Cheapest Retailer
-
$1,533 AUD
$1,077 USD
A
Retailer 2
-
$1,668 AUD
$1,172 USD
View
A
Retailer 3
-
$1,715 AUD
$1,205 USD
View
Final sale: no returns
A
Retailer 4
-
$1,778 AUD
$1,249 USD
View
Retailer 5
-
$1,778 AUD
$1,249 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,986 AUD
$1,395 USD
View
A
Retailer 7
-
$2,256 AUD
$1,585 USD
View
A
Retailer 8
-
$2,576 AUD
£1,425 GBP
View
A
Retailer 9
-
$2,764 AUD
€1,849 EUR
View
A
Retailer 10
-
$2,834 AUD
$1,991 USD
View
A
Retailer 11
-
$3,334 AUD
$2,342 USD
View
A
Retailer 12
-
$3,391 AUD
$2,382 USD
View
Retailer 13
-
$3,607 AUD
$2,534 USD
View
Price last confirmed 32 days ago
Retailer 14
-
$4,013 AUD
View
Price last confirmed 9 days ago
A
Retailer 15
-
$4,091 AUD
ZAR 46,427 ZAR
View
B+
Retailer 16
-
$4,382 AUD
$3,078 USD
View
B+
Retailer 17
-
$4,903 AUD
£2,712 GBP
View
B+
Retailer 18
-
$5,131 AUD
$3,604 USD
View
B+
Retailer 19
-
$5,149 AUD
$3,617 USD
View
B+
Retailer 20
-
$6,040 AUD
£3,341 GBP
View
B+
Retailer 21
-
$6,214 AUD
$4,365 USD
View
Most Expensive
B
Brilliant Earth
19713042A · Oct 30
$13,524 AUD
$9,500 USD
View
21 more retailers have this diamond
Prices start from $1,533 AUDSave up to $11,991 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
3.09ct Oval
$1,533 AUD