Round|Lab Grown|IGI

1.05ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG818645220

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818645220

Diamond specifications and retailer prices

From €156 EUR
$174 USD
As of October 29, 2026
Save €838 EUR (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,603 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round 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 LG818645220 or 818645220. Listed at 22 retailers as of October 29, 2026, with a 538% 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818645220
Dimensions6.44 × 6.46 × 4.02 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.44 mm6.46 mm1.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818645220
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

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 29
Current: €1,603 EUR|Low: €149 EUR|High: €1,603 EUR|Avg: €478 EUR
Queensmith
Retailer 2
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Retailer 22
October 30, 2026
Retailer 22€156 EUR
Retailer 11€175 EUR
Retailer 12€181 EUR
Retailer 4€193 EUR
Retailer 5€193 EUR
Retailer 21€218 EUR
Retailer 7€261 EUR
Retailer 3€279 EUR
Retailer 2€323 EUR
Retailer 16€329 EUR
Retailer 18€331 EUR
Retailer 13€345 EUR
Retailer 6€410 EUR
Retailer 20€471 EUR
Retailer 17€485 EUR
Retailer 14€529 EUR
Retailer 9€620 EUR
Retailer 15€638 EUR
Retailer 10€669 EUR
Retailer 19€904 EUR
Retailer 8€994 EUR
Queensmith€1,603 EUR

25 data points across 22 retailers

22 retailers€156 EUR to €994 EUR

A
Cheapest Retailer
-
€156 EUR
$174 USD
A
Retailer 2
-
€175 EUR
$195 USD
View
Final sale: no returns
A
Retailer 3
-
€181 EUR
$202 USD
View
A
Retailer 4
-
€193 EUR
$216 USD
View
A
Retailer 5
-
€193 EUR
$216 USD
View
A
Retailer 6
-
€218 EUR
HK$1,900 HKD
View
B+
Retailer 7
-
€261 EUR
$292 USD
View
A
Retailer 8
-
€279 EUR
$312 USD
View
A
Retailer 9
-
€323 EUR
£284 GBP
View
A
Retailer 10
-
€329 EUR
View
A
Retailer 11
-
€331 EUR
ZAR 5,980 ZAR
View
B+
Retailer 12
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€345 EUR
£303 GBP
View
B+
Retailer 13
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€410 EUR
$458 USD
View
B+
Retailer 14
-
€471 EUR
A$809 AUD
View
B+
Retailer 15
-
€485 EUR
$542 USD
View
B
Retailer 16
-
€529 EUR
SGD 799 SGD
View
B
Retailer 17
-
€620 EUR
$693 USD
View
B
Retailer 18
-
€638 EUR
$713 USD
View
B
Retailer 19
-
€669 EUR
$748 USD
View
B
Retailer 20
-
€904 EUR
£795 GBP
View
B
Retailer 21
-
€994 EUR
$1,110 USD
View
Most Expensive
Queensmith
LG818645220 · Oct 27
€1,603 EUR
£1,410 GBP
View
Price under review
21 more retailers have this diamond
Prices start from €156 EURSave up to €838 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 Round
€156 EUR