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 €178 EUR
$199 USD
As of October 30, 2026
Save €888 EUR (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,710 EUR 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: €1,710 EUR|Low: €171 EUR|High: €1,710 EUR|Avg: €624 EUR
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€178 EUR
Retailer 13€200 EUR
Retailer 4€221 EUR
Retailer 11€307 EUR
Retailer 5€314 EUR
Retailer 7€419 EUR
Retailer 2€454 EUR
Retailer 9€470 EUR
Retailer 12€713 EUR
Retailer 6€955 EUR
Retailer 10€976 EUR
Retailer 8€979 EUR
Retailer 14€1,066 EUR
Do Amore Diamonds€1,710 EUR

42 data points across 14 retailers

21 retailers€178 EUR to €1,066 EUR

A
Cheapest Retailer
-
€178 EUR
$199 USD
A
Retailer 2
-
€200 EUR
$223 USD
View
Final sale: no returns
A
Retailer 3
-
€207 EUR
$231 USD
View
A
Retailer 4
-
€221 EUR
$247 USD
View
A
Retailer 5
-
€221 EUR
$247 USD
View
A
Retailer 6
-
€242 EUR
$270 USD
View
A
Retailer 7
-
€297 EUR
$332 USD
View
Retailer 8
-
€307 EUR
£270 GBP
View
Price last confirmed 14 days ago
A
Retailer 9
-
€314 EUR
$351 USD
View
B+
Retailer 10
-
€419 EUR
ZAR 7,567 ZAR
View
B+
Retailer 11
-
€454 EUR
£399 GBP
View
Retailer 12
-
€470 EUR
$525 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
€619 EUR
£544 GBP
View
B
Retailer 14
-
€713 EUR
$797 USD
View
B
Retailer 15
-
€784 EUR
$876 USD
View
B
Retailer 16
-
€938 EUR
$1,048 USD
View
B
Retailer 17
-
€955 EUR
£840 GBP
View
Retailer 18
-
€976 EUR
$1,090 USD
View
Price last confirmed 9 days ago
B
Retailer 19
-
€979 EUR
£861 GBP
View
B
Retailer 20
-
€1,066 EUR
$1,191 USD
View
Most Expensive
Do Amore Diamonds
27-D1C98F187 · Oct 29
€1,710 EUR
$1,910 USD
View
Price under review
20 more retailers have this diamond
Prices start from €178 EURSave up to €888 EUR

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
€178 EUR