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Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG818644805

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644805

Diamond specifications and retailer prices

From $299 AUD
$210 USD
As of October 29, 2026
Save $2,485 AUD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,784 AUD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.05ct lab-grown round diamond

This 1.05ct 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 LG818644805 or 818644805. Listed at 24 retailers as of October 27, 2026, with prices from $299 to $2,784, a $2,485 spread on the same certified stone. Queensmith lists it at $2,784. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644805
Dimensions6.56 × 6.60 × 3.95 mm
L/W Ratio1.01
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 mm6.60 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644805
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.0%

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 29
Current: $601 AUD|Low: $288 AUD|High: $1,922 AUD|Avg: $820 AUD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$299 AUD
Retailer 4$372 AUD
Retailer 3$501 AUD
Retailer 1$601 AUD
Retailer 7$620 AUD
Retailer 8$638 AUD
Retailer 5$682 AUD
Retailer 9$908 AUD
Retailer 12$959 AUD
Retailer 10$1,487 AUD
Retailer 6$1,495 AUD
Retailer 11$1,922 AUD

36 data points across 12 retailers

24 retailers$299 AUD to $2,784 AUD

A
Cheapest Retailer
-
$299 AUD
$210 USD
A
Retailer 2
-
$336 AUD
$236 USD
View
Final sale: no returns
A
Retailer 3
-
$347 AUD
$244 USD
View
A
Retailer 4
-
$372 AUD
$261 USD
View
A
Retailer 5
-
$372 AUD
$261 USD
View
A
Retailer 6
-
$419 AUD
HK$2,300 HKD
View
A
Retailer 7
-
$501 AUD
$352 USD
View
A
Retailer 8
-
$601 AUD
£332 GBP
View
A
Retailer 9
-
$620 AUD
€415 EUR
View
A
Retailer 10
-
$638 AUD
ZAR 7,237 ZAR
View
A
Retailer 11
-
$682 AUD
£378 GBP
View
A
Retailer 12
-
$707 AUD
$497 USD
View
A
Retailer 13
-
$720 AUD
$506 USD
View
B+
Retailer 14
-
$908 AUD
View
B+
Retailer 15
-
$959 AUD
$674 USD
View
B+
Retailer 16
-
$1,007 AUD
SGD 956 SGD
View
B+
Retailer 17
-
$1,193 AUD
$838 USD
View
B+
Retailer 18
-
$1,268 AUD
$891 USD
View
B+
Retailer 19
-
$1,269 AUD
$891 USD
View
Retailer 20
-
$1,487 AUD
$1,045 USD
View
Price last confirmed 9 days ago
B+
Retailer 21
-
$1,495 AUD
£827 GBP
View
B
Retailer 22
-
$1,746 AUD
$1,227 USD
View
Retailer 23
-
$1,922 AUD
$1,350 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Queensmith
LG818644805 · Oct 27
$2,784 AUD
£1,540 GBP
View
23 more retailers have this diamond
Prices start from $299 AUDSave up to $2,485 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
1.05ct Round
$299 AUD