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 $199 USD
As of October 27, 2026
Save $992 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,910 USD 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 27, 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
Color
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 27
Current: $1,910 USD|Low: $191 USD|High: $1,910 USD|Avg: $690 USD
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 29, 2026
Retailer 3$199 USD
Retailer 13$223 USD
Retailer 4$247 USD
Retailer 11$343 USD
Retailer 5$351 USD
Retailer 7$468 USD
Retailer 2$507 USD
Retailer 9$525 USD
Retailer 12$797 USD
Retailer 6$1,067 USD
Retailer 10$1,090 USD
Retailer 8$1,093 USD
Retailer 14$1,191 USD
Do Amore Diamonds$1,910 USD

42 data points across 14 retailers

21 retailers$199 USD to $1,191 USD

A
Cheapest Retailer
-
$199 USD
A
Retailer 2
-
$223 USD
View
Final sale: no returns
A
Retailer 3
-
$231 USD
View
A
Retailer 4
-
$247 USD
View
A
Retailer 5
-
$247 USD
View
A
Retailer 6
-
$270 USD
View
A
Retailer 7
-
$332 USD
View
A
Retailer 8
-
$343 USD
£270 GBP
View
Price last confirmed 12 days ago
A
Retailer 9
-
$351 USD
View
B+
Retailer 10
-
$468 USD
ZAR 7,567 ZAR
View
B+
Retailer 11
-
$507 USD
£399 GBP
View
B+
Retailer 12
-
$525 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$691 USD
£544 GBP
View
B
Retailer 14
-
$797 USD
View
B
Retailer 15
-
$876 USD
View
B
Retailer 16
-
$1,048 USD
View
B
Retailer 17
-
$1,067 USD
£840 GBP
View
B
Retailer 18
-
$1,090 USD
View
Price last confirmed 8 days ago
B
Retailer 19
-
$1,093 USD
£861 GBP
View
B
Retailer 20
-
$1,191 USD
View
Most Expensive
B
Do Amore Diamonds
27-D1C98F187 · Oct 29
$1,910 USD
View
Price under review
20 more retailers have this diamond
Prices start from $199 USDSave up to $992 USD

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
$199 USD