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Round|Lab Grown|IGI

1.00ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818670760

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818670760

Diamond specifications and retailer prices

From $357 AUD
$251 USD
As of October 30, 2026
Save $1,452 AUD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,809 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818670760 or 818670760. Listed at 22 retailers as of October 30, 2026, with prices from $357 to $1,809, a $1,452 spread on the same certified stone. Reve Diamonds lists it at $1,809. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818670760
Dimensions6.51 × 6.44 × 3.90 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
6.51 mm6.44 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818670760
Side View
Table 57.0%Crown 34.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.4%

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 30
Current: $736 AUD|Low: $270 AUD|High: $2,007 AUD|Avg: $986 AUD|-5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 1, 2026
Retailer 11$357 AUD
Retailer 4$417 AUD
Retailer 8$558 AUD
Retailer 7$664 AUD
Retailer 10$672 AUD
Retailer 9$680 AUD
Retailer 1$736 AUD
Retailer 12$857 AUD
Retailer 5$1,025 AUD
Retailer 3$1,347 AUD
Retailer 2$1,587 AUD
Retailer 6$1,765 AUD
Reve Diamonds$1,809 AUD

35 data points across 13 retailers

22 retailers$357 AUD to $1,809 AUD

Retailer 1
-
$336 AUD
$236 USD
Price last confirmed 21 days ago
Retailer 2
-
$342 AUD
$240 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$357 AUD
$251 USD
View
Final sale: no returns
Retailer 4
-
$390 AUD
$274 USD
View
Price last confirmed 23 days ago
Retailer 5
-
$396 AUD
$278 USD
View
Price last confirmed 44 days ago
Retailer 6
-
$417 AUD
$293 USD
View
Price last confirmed 19 days ago
Retailer 7
-
$417 AUD
$293 USD
View
Price last confirmed 29 days ago
Retailer 8
-
$419 AUD
$294 USD
View
Price last confirmed 37 days ago
Retailer 9
-
$430 AUD
$302 USD
View
Price last confirmed 50 days ago
A
Retailer 10
-
$558 AUD
$392 USD
View
A
Retailer 11
-
$664 AUD
€444 EUR
View
A
Retailer 12
-
$672 AUD
$472 USD
View
A
Retailer 13
-
$680 AUD
ZAR 7,716 ZAR
View
A
Retailer 14
-
$736 AUD
£407 GBP
View
B+
Retailer 15
-
$857 AUD
$602 USD
View
B+
Retailer 16
-
$1,025 AUD
$720 USD
View
Retailer 17
-
$1,341 AUD
$942 USD
View
Price last confirmed 32 days ago
B
Retailer 18
-
$1,347 AUD
$946 USD
View
Retailer 19
-
$1,361 AUD
$956 USD
View
Price last confirmed 35 days ago
B
Retailer 20
-
$1,587 AUD
£878 GBP
View
B
Retailer 21
-
$1,765 AUD
$1,240 USD
View
Most Expensive
B
Reve Diamonds
7F26DA2CB · Oct 30
$1,809 AUD
$1,271 USD
View
21 more retailers have this diamond
Prices start from $357 AUDSave up to $1,452 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
1.00ct Round
$357 AUD