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Oval|Lab Grown|IGI

1.31ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG818672344

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818672344

Diamond specifications and retailer prices

From $518 AUD
$364 USD
As of October 29, 2026
Save $4,379 AUD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,897 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.31ct lab-grown oval diamond

This 1.31ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818672344 or 818672344. Listed at 21 retailers as of October 29, 2026, with prices from $518 to $4,897, a $4,379 spread on the same certified stone. Brilliant Earth lists it at $4,897. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818672344
Dimensions8.86 × 6.07 × 3.83 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.86 mm6.07 mm1.31 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818672344
Side View
Table 59.0%Crown 35.2°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 63.1%

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: $4,897 AUD|Low: $498 AUD|High: $5,054 AUD|Avg: $1,691 AUD|-3.1%
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
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 19$518 AUD
Retailer 4$601 AUD
Retailer 7$643 AUD
Retailer 10$643 AUD
Retailer 14$666 AUD
Retailer 13$854 AUD
Retailer 8$1,028 AUD
Retailer 16$1,075 AUD
Retailer 12$1,105 AUD
Retailer 2$1,160 AUD
Retailer 5$1,344 AUD
Retailer 18$1,607 AUD
Retailer 9$2,067 AUD
Retailer 6$2,124 AUD
Retailer 3$2,167 AUD
Retailer 11$2,495 AUD
Retailer 15$2,515 AUD
Retailer 17$3,694 AUD
Brilliant Earth$4,897 AUD

36 data points across 19 retailers

21 retailers$518 AUD to $4,897 AUD

A
Cheapest Retailer
-
$518 AUD
$364 USD
A
Retailer 2
-
$601 AUD
$422 USD
View
A
Retailer 3
-
$643 AUD
$452 USD
View
A
Retailer 4
-
$643 AUD
$452 USD
View
A
Retailer 5
-
$666 AUD
$468 USD
View
Final sale: no returns
A
Retailer 6
-
$854 AUD
$600 USD
View
A
Retailer 7
-
$1,028 AUD
$722 USD
View
Retailer 8
-
$1,075 AUD
€719 EUR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$1,105 AUD
ZAR 12,536 ZAR
View
B+
Retailer 10
-
$1,160 AUD
£641 GBP
View
B+
Retailer 11
-
$1,344 AUD
$944 USD
View
B+
Retailer 12
-
$1,607 AUD
$1,129 USD
View
B+
Retailer 13
-
$2,067 AUD
$1,452 USD
View
Retailer 14
-
$2,115 AUD
$1,486 USD
View
Price last confirmed 45 days ago
B+
Retailer 15
-
$2,124 AUD
$1,492 USD
View
B
Retailer 16
-
$2,167 AUD
$1,522 USD
View
B
Retailer 17
-
$2,484 AUD
SGD 2,358 SGD
View
B
Retailer 18
-
$2,495 AUD
£1,380 GBP
View
B+
Retailer 19
-
$2,515 AUD
£1,391 GBP
View
B
Retailer 20
-
$3,694 AUD
$2,595 USD
View
Most Expensive
B
Brilliant Earth
21418147A · Oct 29
$4,897 AUD
$3,440 USD
View
20 more retailers have this diamond
Prices start from $518 AUDSave up to $4,379 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
1.31ct Oval
$518 AUD