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Oval|Lab Grown|IGI

2.51ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG816602709

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816602709

Diamond specifications and retailer prices

From $1,374 AUD
$965 USD
As of October 28, 2026
Save $11,736 AUD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $13,110 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.51ct lab-grown oval diamond

This 2.51ct lab-grown oval sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816602709 or 816602709. Listed at 22 retailers as of October 28, 2026, with prices from $1,374 to $13,110, a $11,736 spread on the same certified stone. Brilliant Earth lists it at $13,110. 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

2.51
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816602709
Dimensions10.90 × 7.59 × 4.78 mm
L/W Ratio1.44
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
10.90 mm7.59 mm2.51 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816602709
Side View
Table 59.0%Crown 34.4°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 63.0%

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 28
Current: $13,110 AUD|Low: $1,374 AUD|High: $13,551 AUD|Avg: $4,873 AUD|-3.3%
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
Retailer 16
October 29, 2026
Retailer 15$1,374 AUD
Retailer 4$2,138 AUD
Retailer 2$2,180 AUD
Retailer 13$2,185 AUD
Retailer 6$3,115 AUD
Retailer 16$3,640 AUD
Retailer 12$3,648 AUD
Retailer 9$3,670 AUD
Retailer 8$3,755 AUD
Retailer 14$4,215 AUD
Retailer 11$4,703 AUD
Retailer 7$4,729 AUD
Retailer 3$4,934 AUD
Retailer 10$5,360 AUD
Retailer 5$7,807 AUD
Brilliant Earth$13,110 AUD

32 data points across 16 retailers

22 retailers$1,374 AUD to $13,110 AUD

A
Cheapest Retailer
-
$1,374 AUD
$965 USD
Final sale: no returns
Retailer 2
-
$1,690 AUD
$1,187 USD
View
Price last confirmed 19 days ago
Retailer 3
-
$1,776 AUD
$1,248 USD
View
Price last confirmed 36 days ago
Retailer 4
-
$1,933 AUD
$1,358 USD
View
Price last confirmed 33 days ago
Retailer 5
-
$1,960 AUD
$1,377 USD
View
Price last confirmed 17 days ago
Retailer 6
-
$1,960 AUD
$1,377 USD
View
Price last confirmed 27 days ago
Retailer 7
-
$2,033 AUD
$1,428 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
$2,138 AUD
$1,502 USD
View
A
Retailer 9
-
$2,180 AUD
£1,206 GBP
View
A
Retailer 10
-
$2,185 AUD
$1,535 USD
View
B+
Retailer 11
-
$3,640 AUD
$2,558 USD
View
B+
Retailer 12
-
$3,648 AUD
$2,563 USD
View
B+
Retailer 13
-
$3,670 AUD
ZAR 41,649 ZAR
View
Retailer 14
-
$3,674 AUD
$2,581 USD
View
Price last confirmed 22 days ago
B+
Retailer 15
-
$3,755 AUD
$2,638 USD
View
B+
Retailer 16
-
$4,215 AUD
$2,961 USD
View
B+
Retailer 17
-
$4,703 AUD
$3,304 USD
View
Retailer 18
-
$4,729 AUD
£2,616 GBP
View
Price last confirmed 20 days ago
B+
Retailer 19
-
$4,934 AUD
$3,466 USD
View
B+
Retailer 20
-
$5,360 AUD
£2,965 GBP
View
B
Retailer 21
-
$7,807 AUD
$5,485 USD
View
Most Expensive
B
Brilliant Earth
20913147A · Oct 28
$13,110 AUD
$9,210 USD
View
21 more retailers have this diamond
Prices start from $1,374 AUDSave up to $11,736 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
2.51ct Oval
$1,374 AUD