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Round|Lab Grown|IGI

1.05ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG660459741

Certificate IGI LG660459741

Diamond specifications and retailer prices

From $968 AUD
$680 USD
As of October 30, 2026
Save $612 AUD (39%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,580 AUD at Jared · As of October 28, 2026
View at Jared

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660459741 or 660459741. Listed at 3 retailers as of October 28, 2026, with prices from $968 to $1,580, a $612 spread on the same certified stone. Jared lists it at $1,580. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.05
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG660459741
Dimensions6.47 × 6.50 mm
L/W Ratio1.00
Top View
6.47 mm6.50 mm1.05 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459741
Side View
Table 55.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,580 AUD|Low: $968 AUD|High: $1,580 AUD|Avg: $1,211 AUD
Jared
Retailer 2
Retailer 3
April 27, 2026
Retailer 2$968 AUD
Retailer 3$968 AUD
Jared$1,580 AUD

7 data points across 3 retailers

3 retailers$968 AUD to $1,580 AUD

B
Cheapest Retailer
-
$968 AUD
$680 USD
B
Retailer 2
-
$968 AUD
$680 USD
View
Most Expensive
B
Jared
154726501 · Oct 28
$1,580 AUD
$1,110 USD
View
2 more retailers have this diamond
Prices start from $968 AUDSave up to $612 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.

B
1.05ct Round
$968 AUD