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Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG720503485

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720503485

Diamond specifications and retailer prices

From $255 AUD
$179 USD
As of October 29, 2026
Save $1,349 AUD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,604 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG720503485 or 720503485. Listed at 18 retailers as of October 29, 2026, with prices from $255 to $1,604, a $1,349 spread on the same certified stone. Reve Diamonds lists it at $1,604. 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 angle33.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720503485
Dimensions6.58 × 6.54 × 3.99 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
6.58 mm6.54 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720503485
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A+
Exceptional
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: $511 AUD|Low: $255 AUD|High: $1,604 AUD|Avg: $748 AUD|-5.5%
Retailer 1
Retailer 2
Retailer 3
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Retailer 7
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Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Reve Diamonds
October 30, 2026
Retailer 9$255 AUD
Retailer 4$285 AUD
Retailer 6$296 AUD
Retailer 13$316 AUD
Retailer 17$316 AUD
Retailer 8$427 AUD
Retailer 1$511 AUD
Retailer 11$542 AUD
Retailer 10$567 AUD
Retailer 7$659 AUD
Retailer 16$703 AUD
Retailer 12$771 AUD
Retailer 2$1,016 AUD
Retailer 15$1,073 AUD
Retailer 5$1,093 AUD
Retailer 14$1,479 AUD
Retailer 3$1,487 AUD
Reve Diamonds$1,604 AUD

38 data points across 18 retailers

18 retailers$255 AUD to $1,604 AUD

A+
Cheapest Retailer
-
$255 AUD
$179 USD
A
Retailer 2
-
$285 AUD
$200 USD
View
Final sale: no returns
A
Retailer 3
-
$296 AUD
$208 USD
View
A
Retailer 4
-
$316 AUD
$222 USD
View
A
Retailer 5
-
$316 AUD
$222 USD
View
B+
Retailer 6
-
$427 AUD
$300 USD
View
A
Retailer 7
-
$511 AUD
£283 GBP
View
A
Retailer 8
-
$542 AUD
ZAR 6,157 ZAR
View
A
Retailer 9
-
$567 AUD
£314 GBP
View
A
Retailer 10
-
$659 AUD
$463 USD
View
A
Retailer 11
-
$703 AUD
$494 USD
View
A
Retailer 12
-
$771 AUD
View
B+
Retailer 13
-
$1,016 AUD
$714 USD
View
B+
Retailer 14
-
$1,073 AUD
$754 USD
View
B+
Retailer 15
-
$1,093 AUD
$768 USD
View
B+
Retailer 16
-
$1,479 AUD
£818 GBP
View
Retailer 17
-
$1,487 AUD
$1,045 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Reve Diamonds
DCF2AC42F · Oct 30
$1,604 AUD
$1,127 USD
View
17 more retailers have this diamond
Prices start from $255 AUDSave up to $1,349 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
$255 AUD