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Radiant|Lab Grown|IGI

1.05ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG816615880

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

Certificate IGI LG816615880

Diamond specifications and retailer prices

From $606 AUD
$426 USD
As of October 30, 2026
Save $2,098 AUD (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,812 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant 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 LG816615880 or 816615880. Listed at 7 retailers as of October 30, 2026, with a 346% 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

1.05
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615880
Dimensions7.12 × 4.94 × 3.38 mm
L/W Ratio1.44
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
7.12 mm4.94 mm1.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615880
Side View
Table 68.0%Crown 45.7°Girdle: Slightly ThickPavilion 34.8°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: $2,812 AUD|Low: $350 AUD|High: $3,260 AUD|Avg: $1,452 AUD|-0.8%
Rare Carat
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
October 30, 2026
Retailer 5$350 AUD
Retailer 13$541 AUD
Retailer 10$606 AUD
Retailer 14$901 AUD
Retailer 4$907 AUD
Retailer 12$940 AUD
Retailer 9$1,126 AUD
Retailer 11$1,327 AUD
Retailer 3$1,532 AUD
Retailer 7$1,553 AUD
Retailer 6$1,818 AUD
Retailer 2$2,135 AUD
Retailer 8$2,705 AUD
Rare Carat$2,812 AUD

14 data points across 14 retailers

7 retailers$606 AUD to $2,705 AUD

A
Cheapest Retailer
-
$606 AUD
$426 USD
B+
Retailer 2
-
$1,126 AUD
$791 USD
View
B+
Retailer 3
-
$1,327 AUD
$932 USD
View
B+
Retailer 4
-
$1,553 AUD
£859 GBP
View
B
Retailer 5
-
$2,135 AUD
$1,500 USD
View
B
Retailer 6
-
$2,705 AUD
$1,900 USD
View
Most Expensive
Rare Carat
PD-230664 · Oct 21
$2,812 AUD
$1,975 USD
View
Price last confirmed 9 days ago
6 more retailers have this diamond
Prices start from $606 AUDSave up to $2,098 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 Radiant
$606 AUD