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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 €188 EUR
$210 USD
As of October 29, 2026
Save €1,563 EUR (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €1,751 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 €188 to €1,751, a €1,563 spread on the same certified stone. Queensmith lists it at €1,751. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €389 EUR|Low: €181 EUR|High: €1,208 EUR|Avg: €517 EUR|+2.0%
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 31, 2026
Retailer 2€188 EUR
Retailer 4€234 EUR
Retailer 3€315 EUR
Retailer 5€378 EUR
Retailer 1€389 EUR
Retailer 8€401 EUR
Retailer 6€429 EUR
Retailer 9€571 EUR
Retailer 12€603 EUR
Retailer 10€935 EUR
Retailer 7€940 EUR
Retailer 11€1,208 EUR

37 data points across 12 retailers

24 retailers€188 EUR to €1,751 EUR

A
Cheapest Retailer
-
€188 EUR
$210 USD
A
Retailer 2
-
€211 EUR
$236 USD
View
Final sale: no returns
A
Retailer 3
-
€218 EUR
$244 USD
View
A
Retailer 4
-
€234 EUR
$261 USD
View
A
Retailer 5
-
€234 EUR
$261 USD
View
A
Retailer 6
-
€264 EUR
HK$2,300 HKD
View
A
Retailer 7
-
€315 EUR
$352 USD
View
A
Retailer 8
-
€378 EUR
£332 GBP
View
A
Retailer 9
-
€389 EUR
View
A
Retailer 10
-
€401 EUR
ZAR 7,237 ZAR
View
A
Retailer 11
-
€429 EUR
£378 GBP
View
A
Retailer 12
-
€445 EUR
$497 USD
View
A
Retailer 13
-
€453 EUR
$506 USD
View
B+
Retailer 14
-
€571 EUR
A$981 AUD
View
B+
Retailer 15
-
€603 EUR
$674 USD
View
B+
Retailer 16
-
€633 EUR
SGD 956 SGD
View
B+
Retailer 17
-
€750 EUR
$838 USD
View
B+
Retailer 18
-
€798 EUR
$891 USD
View
B+
Retailer 19
-
€798 EUR
$891 USD
View
Retailer 20
-
€935 EUR
$1,045 USD
View
Price last confirmed 10 days ago
B+
Retailer 21
-
€940 EUR
£827 GBP
View
B
Retailer 22
-
€1,098 EUR
$1,227 USD
View
Retailer 23
-
€1,208 EUR
$1,350 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Queensmith
LG818644805 · Oct 27
€1,751 EUR
£1,540 GBP
View
23 more retailers have this diamond
Prices start from €188 EURSave up to €1,563 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
€188 EUR