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Oval|Lab Grown|IGI

1.51ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG816615605

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816615605

Diamond specifications and retailer prices

From $559 AUD
$393 USD
As of October 29, 2026
Save $5,163 AUD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,723 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816615605 or 816615605. Listed at 19 retailers as of October 29, 2026, with prices from $559 to $5,723, a $5,163 spread on the same certified stone. Brilliant Earth lists it at $5,723. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615605
Dimensions10.25 × 6.15 × 3.82 mm
L/W Ratio1.67
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
10.25 mm6.15 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615605
Side View
Table 59.0%Crown 34.7°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,723 AUD|Low: $552 AUD|High: $6,278 AUD|Avg: $2,100 AUD|+4.4%
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 14$626 AUD
Retailer 9$904 AUD
Retailer 5$987 AUD
Retailer 4$1,100 AUD
Retailer 2$1,134 AUD
Retailer 8$1,191 AUD
Retailer 15$1,492 AUD
Retailer 13$1,945 AUD
Retailer 11$2,018 AUD
Retailer 6$2,053 AUD
Retailer 3$2,281 AUD
Retailer 12$2,412 AUD
Retailer 10$2,712 AUD
Retailer 7$5,210 AUD
Brilliant Earth$5,723 AUD

35 data points across 15 retailers

19 retailers$559 AUD to $5,723 AUD

A
Cheapest Retailer
-
$559 AUD
$393 USD
A
Retailer 2
-
$626 AUD
$440 USD
View
A
Retailer 3
-
$626 AUD
$440 USD
View
Final sale: no returns
A
Retailer 4
-
$693 AUD
$487 USD
View
A
Retailer 5
-
$693 AUD
$487 USD
View
A
Retailer 6
-
$904 AUD
$635 USD
View
A
Retailer 7
-
$1,100 AUD
$773 USD
View
A
Retailer 8
-
$1,134 AUD
£627 GBP
View
A
Retailer 9
-
$1,191 AUD
ZAR 13,519 ZAR
View
B+
Retailer 10
-
$1,492 AUD
$1,048 USD
View
B+
Retailer 11
-
$1,945 AUD
$1,366 USD
View
B+
Retailer 12
-
$2,018 AUD
£1,116 GBP
View
Retailer 13
-
$2,053 AUD
SGD 1,949 SGD
View
Price last confirmed 22 days ago
B
Retailer 14
-
$2,228 AUD
$1,565 USD
View
B
Retailer 15
-
$2,281 AUD
$1,602 USD
View
B
Retailer 16
-
$2,412 AUD
$1,694 USD
View
B
Retailer 17
-
$2,712 AUD
£1,500 GBP
View
Retailer 18
-
$5,210 AUD
$3,660 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
21421317A · Oct 30
$5,723 AUD
$4,020 USD
View
18 more retailers have this diamond
Prices start from $559 AUDSave up to $5,163 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
1.51ct Oval
$559 AUD