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Round|Lab Grown|IGI

1.01ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG739580844

Shape and cutting style on the report: Round brilliant

Certificate IGI LG739580844

Diamond specifications and retailer prices

From $309 AUD
$217 USD
As of October 30, 2026
Save $1,366 AUD (82%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $1,836 AUD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.01ct lab-grown round diamond

This 1.01ct 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 LG739580844 or 739580844. Listed at 28 retailers as of October 30, 2026, with a 442% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739580844
Dimensions6.46 × 6.42 × 3.94 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
6.46 mm6.42 mm1.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739580844
Side View
Table 58.0%Crown 34.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.2%

Caratlytics Score

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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 30
Current: $1,836 AUD|Low: $309 AUD|High: $1,836 AUD|Avg: $864 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 17$309 AUD
Retailer 6$343 AUD
Retailer 18$383 AUD
Retailer 4$463 AUD
Retailer 2$578 AUD
Retailer 14$590 AUD
Retailer 12$625 AUD
Retailer 10$668 AUD
Retailer 7$682 AUD
Retailer 11$766 AUD
Retailer 16$838 AUD
Retailer 3$878 AUD
Retailer 9$931 AUD
Retailer 15$1,089 AUD
Retailer 8$1,181 AUD
Retailer 13$1,615 AUD
Retailer 5$1,675 AUD
Brilliant Earth$1,836 AUD

38 data points across 18 retailers

28 retailers$309 AUD to $1,675 AUD

Retailer 1
-
$278 AUD
$195 USD
Price last confirmed 13 days ago
Retailer 2
-
$289 AUD
$203 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
$309 AUD
$217 USD
View
Final sale: no returns
Retailer 4
-
$322 AUD
$226 USD
View
Price last confirmed 11 days ago
Retailer 5
-
$336 AUD
$236 USD
View
Price last confirmed 44 days ago
Retailer 6
-
$343 AUD
$241 USD
View
Price last confirmed 14 days ago
Retailer 7
-
$354 AUD
$249 USD
View
Price last confirmed 46 days ago
Retailer 8
-
$354 AUD
$249 USD
View
Price last confirmed 32 days ago
A
Retailer 9
-
$383 AUD
HK$2,100 HKD
View
A
Retailer 10
-
$463 AUD
$325 USD
View
A
Retailer 11
-
$578 AUD
€387 EUR
View
A
Retailer 12
-
$590 AUD
ZAR 6,694 ZAR
View
A
Retailer 13
-
$625 AUD
£346 GBP
View
A
Retailer 14
-
$668 AUD
$469 USD
View
A
Retailer 15
-
$682 AUD
$479 USD
View
B+
Retailer 16
-
$766 AUD
View
B+
Retailer 17
-
$827 AUD
$581 USD
View
B+
Retailer 18
-
$838 AUD
View
B+
Retailer 19
-
$878 AUD
$617 USD
View
B+
Retailer 20
-
$931 AUD
SGD 884 SGD
View
B+
Retailer 21
-
$1,089 AUD
View
Retailer 22
-
$1,155 AUD
$811 USD
View
Price last confirmed 31 days ago
B+
Retailer 23
-
$1,181 AUD
$829 USD
View
Retailer 24
-
$1,483 AUD
$1,041 USD
View
Price last confirmed 89 days ago
B+
Retailer 25
-
$1,615 AUD
£893 GBP
View
B
Retailer 26
-
$1,675 AUD
$1,176 USD
View
Retailer 27
-
$1,836 AUD
$1,290 USD
View
Price last confirmed 14 days ago
Most Expensive
Brilliant Earth
16745011A · Oct 21
$1,836 AUD
$1,290 USD
View
Price last confirmed 10 days ago
27 more retailers have this diamond
Prices start from $309 AUDSave up to $1,366 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 Round
$309 AUD