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Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG818644805

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644805

Diamond specifications and retailer prices

From €189 EUR
$210 USD
As of October 29, 2026
Save €1,569 EUR (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €1,757 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818644805 or 818644805. Listed at 24 retailers as of October 27, 2026, with prices from €189 to €1,757, a €1,569 spread on the same certified stone. Queensmith lists it at €1,757. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644805
Dimensions6.56 × 6.60 × 3.95 mm
L/W Ratio1.01
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
6.56 mm6.60 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644805
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.0%

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 29
Current: €430 EUR|Low: €181 EUR|High: €1,213 EUR|Avg: €516 EUR|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 2€189 EUR
Retailer 4€235 EUR
Retailer 3€316 EUR
Retailer 5€380 EUR
Retailer 7€392 EUR
Retailer 8€402 EUR
Retailer 1€430 EUR
Retailer 9€573 EUR
Retailer 12€606 EUR
Retailer 10€939 EUR
Retailer 6€944 EUR
Retailer 11€1,213 EUR

36 data points across 12 retailers

24 retailers€189 EUR to €1,757 EUR

A
Cheapest Retailer
-
€189 EUR
$210 USD
A
Retailer 2
-
€212 EUR
$236 USD
View
Final sale: no returns
A
Retailer 3
-
€219 EUR
$244 USD
View
A
Retailer 4
-
€235 EUR
$261 USD
View
A
Retailer 5
-
€235 EUR
$261 USD
View
A
Retailer 6
-
€265 EUR
HK$2,300 HKD
View
A
Retailer 7
-
€316 EUR
$352 USD
View
A
Retailer 8
-
€380 EUR
£333 GBP
View
A
Retailer 9
-
€392 EUR
View
A
Retailer 10
-
€402 EUR
ZAR 7,237 ZAR
View
A
Retailer 11
-
€430 EUR
£377 GBP
View
A
Retailer 12
-
€447 EUR
$497 USD
View
A
Retailer 13
-
€455 EUR
$506 USD
View
B+
Retailer 14
-
€573 EUR
A$981 AUD
View
B+
Retailer 15
-
€606 EUR
$674 USD
View
B+
Retailer 16
-
€636 EUR
SGD 956 SGD
View
B+
Retailer 17
-
€753 EUR
$838 USD
View
B+
Retailer 18
-
€801 EUR
$891 USD
View
B+
Retailer 19
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€801 EUR
$891 USD
View
Retailer 20
-
€939 EUR
$1,045 USD
View
Price last confirmed 9 days ago
B+
Retailer 21
-
€944 EUR
£827 GBP
View
B
Retailer 22
-
€1,102 EUR
$1,227 USD
View
Retailer 23
-
€1,213 EUR
$1,350 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Queensmith
LG818644805 · Oct 27
€1,757 EUR
£1,540 GBP
View
23 more retailers have this diamond
Prices start from €189 EURSave up to €1,569 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
€189 EUR