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Radiant|Lab Grown|IGI

1.01ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG840630577

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG840630577

Diamond specifications and retailer prices

From $242 AUD
$170 USD
As of October 30, 2026
Save $1,992 AUD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,234 AUD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant 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 LG840630577 or 840630577. Listed at 22 retailers as of October 30, 2026, with prices from $242 to $2,234, a $1,992 spread on the same certified stone. Helzberg Diamonds lists it at $2,234. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630577
Dimensions7.14 × 5.00 × 3.42 mm
L/W Ratio1.43
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
7.14 mm5.00 mm1.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630577
Side View
Table 68.0%Crown 40.3°Girdle: MediumPavilion 37°Culet: NoneDepth 68.4%

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 30
Current: $2,234 AUD|Low: $242 AUD|High: $2,249 AUD|Avg: $858 AUD
Helzberg Diamonds
Retailer 2
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Retailer 22
October 31, 2026
Retailer 5$242 AUD
Retailer 9$270 AUD
Retailer 20$280 AUD
Retailer 7$300 AUD
Retailer 8$300 AUD
Retailer 4$319 AUD
Retailer 17$515 AUD
Retailer 19$526 AUD
Retailer 2$530 AUD
Retailer 12$537 AUD
Retailer 11$643 AUD
Retailer 18$731 AUD
Retailer 13$749 AUD
Retailer 22$783 AUD
Retailer 15$834 AUD
Retailer 6$964 AUD
Retailer 14$1,008 AUD
Retailer 10$1,042 AUD
Retailer 3$1,410 AUD
Retailer 21$1,609 AUD
Retailer 16$1,865 AUD
Helzberg Diamonds$2,234 AUD

19 data points across 22 retailers

22 retailers$242 AUD to $2,234 AUD

A
Cheapest Retailer
-
$242 AUD
$170 USD
A
Retailer 2
-
$270 AUD
$190 USD
View
Final sale: no returns
A
Retailer 3
-
$280 AUD
$197 USD
View
A
Retailer 4
-
$300 AUD
$211 USD
View
A
Retailer 5
-
$300 AUD
$211 USD
View
Retailer 6
-
$319 AUD
£176 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$515 AUD
ZAR 5,842 ZAR
View
Retailer 8
-
$526 AUD
€352 EUR
View
Price last confirmed 8 days ago
A
Retailer 9
-
$530 AUD
£293 GBP
View
A
Retailer 10
-
$537 AUD
$377 USD
View
A
Retailer 11
-
$643 AUD
$452 USD
View
A
Retailer 12
-
$731 AUD
View
A
Retailer 13
-
$749 AUD
$526 USD
View
A
Retailer 14
-
$783 AUD
$550 USD
View
B+
Retailer 15
-
$834 AUD
SGD 792 SGD
View
B+
Retailer 16
-
$964 AUD
$677 USD
View
B+
Retailer 17
-
$1,008 AUD
$708 USD
View
B+
Retailer 18
-
$1,042 AUD
$732 USD
View
B
Retailer 19
-
$1,410 AUD
£780 GBP
View
Retailer 20
-
$1,609 AUD
$1,130 USD
View
Price last confirmed 12 days ago
B
Retailer 21
-
$1,865 AUD
$1,310 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJGLNN · Oct 31
$2,234 AUD
$1,569 USD
View
21 more retailers have this diamond
Prices start from $242 AUDSave up to $1,992 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
1.01ct Radiant
$242 AUD