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Round|Lab Grown|IGI

1.03ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818662865

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818662865

Diamond specifications and retailer prices

From $367 AUD
$258 USD
As of October 28, 2026
Save $1,697 AUD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,064 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818662865 or 818662865. Listed at 22 retailers as of October 28, 2026, with prices from $367 to $2,064, a $1,697 spread on the same certified stone. Brilliant Earth lists it at $2,064. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818662865
Dimensions6.56 × 6.54 × 3.94 mm
L/W Ratio1.00
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
6.56 mm6.54 mm1.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818662865
Side View
Table 60.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
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: $2,064 AUD|Low: $276 AUD|High: $2,064 AUD|Avg: $1,011 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
October 29, 2026
Retailer 12$367 AUD
Retailer 5$428 AUD
Retailer 6$572 AUD
Retailer 2$680 AUD
Retailer 10$698 AUD
Retailer 11$706 AUD
Retailer 9$759 AUD
Retailer 13$882 AUD
Retailer 7$1,310 AUD
Retailer 4$1,380 AUD
Retailer 3$1,629 AUD
Retailer 8$1,836 AUD
Brilliant Earth$2,064 AUD

33 data points across 13 retailers

22 retailers$367 AUD to $2,064 AUD

Retailer 1
-
$346 AUD
$243 USD
Price last confirmed 19 days ago
Retailer 2
-
$347 AUD
$244 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$367 AUD
$258 USD
View
Final sale: no returns
Retailer 4
-
$400 AUD
$281 USD
View
Price last confirmed 20 days ago
Retailer 5
-
$403 AUD
$283 USD
View
Price last confirmed 40 days ago
Retailer 6
-
$426 AUD
$299 USD
View
Price last confirmed 35 days ago
Retailer 7
-
$428 AUD
$301 USD
View
Price last confirmed 48 days ago
Retailer 8
-
$428 AUD
$301 USD
View
Price last confirmed 17 days ago
Retailer 9
-
$428 AUD
$301 USD
View
Price last confirmed 27 days ago
A
Retailer 10
-
$572 AUD
$402 USD
View
A
Retailer 11
-
$680 AUD
€455 EUR
View
A
Retailer 12
-
$698 AUD
ZAR 7,919 ZAR
View
A
Retailer 13
-
$706 AUD
$496 USD
View
A
Retailer 14
-
$759 AUD
£420 GBP
View
B+
Retailer 15
-
$882 AUD
$620 USD
View
B
Retailer 16
-
$1,310 AUD
$920 USD
View
Retailer 17
-
$1,376 AUD
$967 USD
View
Price last confirmed 30 days ago
B+
Retailer 18
-
$1,380 AUD
$970 USD
View
Retailer 19
-
$1,386 AUD
$974 USD
View
Price last confirmed 33 days ago
B+
Retailer 20
-
$1,629 AUD
£901 GBP
View
B
Retailer 21
-
$1,836 AUD
$1,290 USD
View
Most Expensive
B
Brilliant Earth
21242326A · Oct 29
$2,064 AUD
$1,450 USD
View
21 more retailers have this diamond
Prices start from $367 AUDSave up to $1,697 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
$367 AUD