CaratHunter
Plans
Round|Lab Grown|IGI

1.03ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG728577517

Shape and cutting style on the report: Round brilliant

Certificate IGI LG728577517

Diamond specifications and retailer prices

From $266 AUD
$187 USD
As of October 29, 2026
Save $1,613 AUD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,879 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG728577517 or 728577517. Listed at 22 retailers as of October 29, 2026, with prices from $266 to $1,879, a $1,613 spread on the same certified stone. Brilliant Earth lists it at $1,879. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728577517
Dimensions6.52 × 6.57 × 3.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.52 mm6.57 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728577517
Side View
Table 58.0%Crown 33.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.4%

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: $1,879 AUD|Low: $259 AUD|High: $1,879 AUD|Avg: $767 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
October 29, 2026
Retailer 4$266 AUD
Retailer 8$297 AUD
Retailer 21$309 AUD
Retailer 9$330 AUD
Retailer 10$330 AUD
Retailer 12$448 AUD
Retailer 15$546 AUD
Retailer 16$560 AUD
Retailer 17$568 AUD
Retailer 2$597 AUD
Retailer 3$685 AUD
Retailer 22$738 AUD
Retailer 6$779 AUD
Retailer 19$807 AUD
Retailer 20$841 AUD
Retailer 14$904 AUD
Retailer 5$1,063 AUD
Retailer 18$1,099 AUD
Retailer 7$1,140 AUD
Retailer 13$1,555 AUD
Retailer 11$1,642 AUD
Brilliant Earth$1,879 AUD

39 data points across 22 retailers

22 retailers$266 AUD to $1,879 AUD

A
Cheapest Retailer
-
$266 AUD
$187 USD
A
Retailer 2
-
$297 AUD
$209 USD
View
Final sale: no returns
A
Retailer 3
-
$309 AUD
$217 USD
View
A
Retailer 4
-
$330 AUD
$232 USD
View
A
Retailer 5
-
$330 AUD
$232 USD
View
A
Retailer 6
-
$448 AUD
$315 USD
View
A
Retailer 7
-
$546 AUD
£302 GBP
View
Price last confirmed 14 days ago
A
Retailer 8
-
$560 AUD
€375 EUR
View
A
Retailer 9
-
$568 AUD
ZAR 6,447 ZAR
View
A
Retailer 10
-
$597 AUD
£330 GBP
View
A
Retailer 11
-
$685 AUD
$481 USD
View
A
Retailer 12
-
$738 AUD
View
A
Retailer 13
-
$779 AUD
$547 USD
View
A
Retailer 14
-
$807 AUD
View
B+
Retailer 15
-
$841 AUD
$591 USD
View
B+
Retailer 16
-
$904 AUD
SGD 858 SGD
View
B+
Retailer 17
-
$1,063 AUD
$747 USD
View
B+
Retailer 18
-
$1,099 AUD
View
B+
Retailer 19
-
$1,140 AUD
$801 USD
View
B+
Retailer 20
-
$1,555 AUD
£860 GBP
View
B
Retailer 21
-
$1,642 AUD
$1,153 USD
View
Most Expensive
B
Brilliant Earth
18208522A · Oct 29
$1,879 AUD
$1,320 USD
View
21 more retailers have this diamond
Prices start from $266 AUDSave up to $1,613 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
1.03ct Round
$266 AUD