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Radiant|Lab Grown|IGI

1.00ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG668427826

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

Certificate IGI LG668427826

Diamond specifications and retailer prices

From $347 AUD
$244 USD
As of October 30, 2026
Save $2,984 AUD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,331 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1ct lab-grown radiant diamond

This 1ct 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 LG668427826 or 668427826. Listed at 22 retailers as of October 29, 2026, with prices from $347 to $3,331, a $2,984 spread on the same certified stone. Do Amore Diamonds lists it at $3,331. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668427826
Dimensions7.09 × 4.88 × 3.28 mm
L/W Ratio1.45
Culet sizePointed
Top View
7.09 mm4.88 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668427826
Side View
Table 66.0%Crown 43.3°Girdle: MediumPavilion 34.3°Culet: NoneDepth 67.2%

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: $836 AUD|Low: $333 AUD|High: $2,790 AUD|Avg: $928 AUD|+3.2%
Retailer 1
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
October 30, 2026
Retailer 3$347 AUD
Retailer 5$389 AUD
Retailer 2$403 AUD
Retailer 14$431 AUD
Retailer 16$431 AUD
Retailer 13$506 AUD
Retailer 7$578 AUD
Retailer 8$631 AUD
Retailer 10$818 AUD
Retailer 1$836 AUD
Retailer 9$1,158 AUD
Retailer 6$1,323 AUD
Retailer 15$1,391 AUD
Retailer 4$1,529 AUD
Retailer 11$1,916 AUD
Retailer 12$2,705 AUD

43 data points across 16 retailers

22 retailers$347 AUD to $3,331 AUD

A
Cheapest Retailer
-
$347 AUD
$244 USD
A
Retailer 2
-
$389 AUD
$273 USD
View
Final sale: no returns
A
Retailer 3
-
$403 AUD
$283 USD
View
A
Retailer 4
-
$431 AUD
$303 USD
View
A
Retailer 5
-
$431 AUD
$303 USD
View
Retailer 6
-
$506 AUD
£280 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$578 AUD
$406 USD
View
A
Retailer 8
-
$626 AUD
$440 USD
View
A
Retailer 9
-
$631 AUD
$443 USD
View
A
Retailer 10
-
$818 AUD
ZAR 9,278 ZAR
View
A
Retailer 11
-
$836 AUD
£462 GBP
View
B+
Retailer 12
-
$1,158 AUD
View
B+
Retailer 13
-
$1,323 AUD
View
B+
Retailer 14
-
$1,391 AUD
$977 USD
View
B+
Retailer 15
-
$1,529 AUD
$1,074 USD
View
B
Retailer 16
-
$1,625 AUD
£899 GBP
View
B
Retailer 17
-
$1,769 AUD
$1,242 USD
View
B
Retailer 18
-
$1,844 AUD
£1,020 GBP
View
B
Retailer 19
-
$1,898 AUD
$1,333 USD
View
Retailer 20
-
$1,916 AUD
£1,060 GBP
View
Price last confirmed 12 days ago
B
Retailer 21
-
$2,705 AUD
$1,900 USD
View
Most Expensive
B
Do Amore Diamonds
27-761D7E9D0 · Oct 29
$3,331 AUD
$2,340 USD
View
21 more retailers have this diamond
Prices start from $347 AUDSave up to $2,984 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 Radiant
$347 AUD