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Radiant|Lab Grown|IGI

1.05ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG645464809

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

Certificate IGI LG645464809

Diamond specifications and retailer prices

From $283 AUD
$199 USD
As of October 30, 2026
Save $1,413 AUD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,719 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG645464809 or 645464809. Listed at 21 retailers as of October 30, 2026, with a 499% 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645464809
Dimensions7.04 × 5.07 × 3.30 mm
L/W Ratio1.39
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
7.04 mm5.07 mm1.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645464809
Side View
Table 68.0%Crown 42.9°Girdle: STK-VTKPavilion 33.3°Culet: NoneDepth 65.1%

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: $2,719 AUD|Low: $272 AUD|High: $2,719 AUD|Avg: $990 AUD
Do Amore Diamonds
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 3$283 AUD
Retailer 13$317 AUD
Retailer 4$352 AUD
Retailer 11$489 AUD
Retailer 5$500 AUD
Retailer 7$667 AUD
Retailer 2$721 AUD
Retailer 9$747 AUD
Retailer 12$1,135 AUD
Retailer 6$1,519 AUD
Retailer 10$1,552 AUD
Retailer 8$1,557 AUD
Retailer 14$1,696 AUD
Do Amore Diamonds$2,719 AUD

43 data points across 14 retailers

21 retailers$283 AUD to $1,696 AUD

A
Cheapest Retailer
-
$283 AUD
$199 USD
A
Retailer 2
-
$317 AUD
$223 USD
View
Final sale: no returns
A
Retailer 3
-
$329 AUD
$231 USD
View
A
Retailer 4
-
$352 AUD
$247 USD
View
A
Retailer 5
-
$352 AUD
$247 USD
View
A
Retailer 6
-
$384 AUD
$270 USD
View
A
Retailer 7
-
$473 AUD
$332 USD
View
Retailer 8
-
$489 AUD
£270 GBP
View
Price last confirmed 13 days ago
A
Retailer 9
-
$500 AUD
$351 USD
View
B+
Retailer 10
-
$667 AUD
ZAR 7,567 ZAR
View
B+
Retailer 11
-
$721 AUD
£399 GBP
View
Retailer 12
-
$747 AUD
$525 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$984 AUD
£544 GBP
View
B
Retailer 14
-
$1,135 AUD
$797 USD
View
B
Retailer 15
-
$1,247 AUD
$876 USD
View
B
Retailer 16
-
$1,492 AUD
$1,048 USD
View
B
Retailer 17
-
$1,519 AUD
£840 GBP
View
Retailer 18
-
$1,552 AUD
$1,090 USD
View
Price last confirmed 9 days ago
B
Retailer 19
-
$1,557 AUD
£861 GBP
View
B
Retailer 20
-
$1,696 AUD
$1,191 USD
View
Most Expensive
Do Amore Diamonds
27-D1C98F187 · Oct 29
$2,719 AUD
$1,910 USD
View
Price under review
20 more retailers have this diamond
Prices start from $283 AUDSave up to $1,413 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
$283 AUD