CaratHunter
Plans
Oval|Lab Grown|IGI

1.30ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG830644628

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG830644628

Diamond specifications and retailer prices

From $478 AUD
$336 USD
As of October 26, 2026
Save $2,006 AUD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,823 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.3ct lab-grown oval diamond

This 1.3ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830644628 or 830644628. Listed at 21 retailers as of October 26, 2026, with a 419% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830644628
Dimensions8.92 × 6.19 × 3.82 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
8.92 mm6.19 mm1.30 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830644628
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

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 26
Current: $5,823 AUD|Low: $460 AUD|High: $5,823 AUD|Avg: $1,595 AUD
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
Retailer 20
Retailer 21
Retailer 22
Retailer 23
October 28, 2026
Retailer 23$478 AUD
Retailer 7$555 AUD
Retailer 9$591 AUD
Retailer 3$594 AUD
Retailer 6$594 AUD
Retailer 2$811 AUD
Retailer 20$918 AUD
Retailer 22$940 AUD
Retailer 21$968 AUD
Retailer 18$1,003 AUD
Retailer 13$1,057 AUD
Retailer 11$1,278 AUD
Retailer 10$1,283 AUD
Retailer 5$1,908 AUD
Retailer 12$1,969 AUD
Retailer 8$2,101 AUD
Retailer 14$2,104 AUD
Retailer 15$2,318 AUD
Retailer 17$2,381 AUD
Retailer 16$2,484 AUD
Retailer 4$3,582 AUD
Retailer 19$4,399 AUD
Brilliant Earth$5,823 AUD

38 data points across 23 retailers

21 retailers$478 AUD to $2,484 AUD

A
Cheapest Retailer
-
$478 AUD
$336 USD
Retailer 2
-
$555 AUD
$390 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$594 AUD
$417 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$594 AUD
$417 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$811 AUD
$570 USD
View
A
Retailer 6
-
$940 AUD
$660 USD
View
A
Retailer 7
-
$968 AUD
$680 USD
View
Retailer 8
-
$1,003 AUD
ZAR 11,387 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$1,057 AUD
£585 GBP
View
B+
Retailer 10
-
$1,278 AUD
$898 USD
View
B+
Retailer 11
-
$1,283 AUD
$901 USD
View
Retailer 12
-
$1,908 AUD
$1,340 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$1,969 AUD
$1,383 USD
View
B
Retailer 14
-
$2,104 AUD
CA$2,052 CAD
View
B
Retailer 15
-
$2,144 AUD
$1,506 USD
View
Retailer 16
-
$2,318 AUD
$1,628 USD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$2,381 AUD
£1,317 GBP
View
B
Retailer 18
-
$2,484 AUD
$1,745 USD
View
Retailer 19
-
$3,582 AUD
$2,516 USD
View
Price last confirmed 11 days ago
Retailer 20
-
$4,399 AUD
$3,090 USD
View
Price last confirmed 14 days ago
Most Expensive
Brilliant Earth
21454383A · Oct 28
$5,823 AUD
$4,090 USD
View
Price under review
20 more retailers have this diamond
Prices start from $478 AUDSave up to $2,006 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
1.30ct Oval
$478 AUD