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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 $1,077 USD
As of October 27, 2026
Save $8,423 USD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,500 USD at Brilliant Earth · As of October 28, 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 27, 2026, with prices from $1,077 to $9,500, a $8,423 spread on the same certified stone. Brilliant Earth lists it at $9,500. 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
Color
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 27
Current: $9,500 USD|Low: $1,205 USD|High: $9,560 USD|Avg: $3,070 USD|-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 29, 2026
Retailer 5$1,205 USD
Retailer 14$1,395 USD
Retailer 3$1,585 USD
Retailer 2$1,804 USD
Retailer 9$1,941 USD
Retailer 15$1,991 USD
Retailer 13$2,382 USD
Retailer 11$2,819 USD
Retailer 10$2,874 USD
Retailer 4$3,078 USD
Retailer 6$3,444 USD
Retailer 12$3,617 USD
Retailer 8$4,243 USD
Retailer 7$4,365 USD
Brilliant Earth$9,500 USD

43 data points across 15 retailers

22 retailers$1,077 USD to $9,500 USD

A
Cheapest Retailer
-
$1,077 USD
A
Retailer 2
-
$1,172 USD
View
A
Retailer 3
-
$1,205 USD
View
Final sale: no returns
A
Retailer 4
-
$1,249 USD
View
A
Retailer 5
-
$1,249 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$1,395 USD
View
A
Retailer 7
-
$1,585 USD
View
A
Retailer 8
-
$1,804 USD
£1,421 GBP
View
A
Retailer 9
-
$1,941 USD
€1,849 EUR
View
A
Retailer 10
-
$1,991 USD
View
A
Retailer 11
-
$2,342 USD
View
A
Retailer 12
-
$2,382 USD
View
A
Retailer 13
-
$2,534 USD
View
Price last confirmed 31 days ago
A
Retailer 14
-
$2,819 USD
A$4,337 AUD
View
Price last confirmed 8 days ago
A
Retailer 15
-
$2,874 USD
ZAR 46,427 ZAR
View
B+
Retailer 16
-
$3,078 USD
View
B+
Retailer 17
-
$3,444 USD
£2,712 GBP
View
B+
Retailer 18
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$3,604 USD
View
B+
Retailer 19
-
$3,617 USD
View
B+
Retailer 20
-
$4,243 USD
£3,341 GBP
View
B+
Retailer 21
-
$4,365 USD
View
Most Expensive
B
Brilliant Earth
19713042A · Oct 28
$9,500 USD
View
21 more retailers have this diamond
Prices start from $1,077 USDSave up to $8,423 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
3.09ct Oval
$1,077 USD