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 $354 NZD
$199 USD
As of October 30, 2026
Save $1,767 NZD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,401 NZD 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

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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: $3,401 NZD|Low: $340 NZD|High: $3,401 NZD|Avg: $1,239 NZD
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$354 NZD
Retailer 13$397 NZD
Retailer 4$440 NZD
Retailer 11$611 NZD
Retailer 5$625 NZD
Retailer 7$834 NZD
Retailer 2$902 NZD
Retailer 9$935 NZD
Retailer 12$1,419 NZD
Retailer 6$1,899 NZD
Retailer 10$1,941 NZD
Retailer 8$1,947 NZD
Retailer 14$2,121 NZD
Do Amore Diamonds$3,401 NZD

43 data points across 14 retailers

21 retailers$354 NZD to $2,121 NZD

A
Cheapest Retailer
-
$354 NZD
$199 USD
A
Retailer 2
-
$397 NZD
$223 USD
View
Final sale: no returns
A
Retailer 3
-
$411 NZD
$231 USD
View
A
Retailer 4
-
$440 NZD
$247 USD
View
A
Retailer 5
-
$440 NZD
$247 USD
View
A
Retailer 6
-
$481 NZD
$270 USD
View
A
Retailer 7
-
$591 NZD
$332 USD
View
Retailer 8
-
$611 NZD
£270 GBP
View
Price last confirmed 13 days ago
A
Retailer 9
-
$625 NZD
$351 USD
View
B+
Retailer 10
-
$834 NZD
ZAR 7,567 ZAR
View
B+
Retailer 11
-
$902 NZD
£399 GBP
View
Retailer 12
-
$935 NZD
$525 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$1,231 NZD
£544 GBP
View
B
Retailer 14
-
$1,419 NZD
$797 USD
View
B
Retailer 15
-
$1,560 NZD
$876 USD
View
B
Retailer 16
-
$1,867 NZD
$1,048 USD
View
B
Retailer 17
-
$1,899 NZD
£840 GBP
View
Retailer 18
-
$1,941 NZD
$1,090 USD
View
Price last confirmed 8 days ago
B
Retailer 19
-
$1,947 NZD
£861 GBP
View
B
Retailer 20
-
$2,121 NZD
$1,191 USD
View
Most Expensive
Do Amore Diamonds
27-D1C98F187 · Oct 29
$3,401 NZD
$1,910 USD
View
Price under review
20 more retailers have this diamond
Prices start from $354 NZDSave up to $1,767 NZD

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
$354 NZD