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Cushion|Lab Grown|IGI

1.05ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG818644817

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG818644817

Diamond specifications and retailer prices

From €349 EUR
$388 USD
As of October 25, 2026
Save €1,295 EUR (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,643 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.05ct lab-grown cushion diamond

This 1.05ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818644817 or 818644817. Listed at 18 retailers as of October 25, 2026, with prices from €349 to €1,643, a €1,295 spread on the same certified stone. Queensmith lists it at €1,643. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.3°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644817
Dimensions7.80 × 5.11 × 2.80 mm
L/W Ratio1.53
Girdle conditionFaceted
Culet sizeLarge
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
7.80 mm5.11 mm1.05 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644817
Side View
Table 55.0%Crown 31.3°Girdle: MED-STKPavilion 32.7°Culet: LargeDepth 54.8%

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 25
Current: €1,643 EUR|Low: €349 EUR|High: €1,643 EUR|Avg: €871 EUR
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 30, 2026
Retailer 4€349 EUR
Retailer 15€391 EUR
Retailer 8€429 EUR
Retailer 18€431 EUR
Retailer 3€469 EUR
Retailer 11€563 EUR
Retailer 6€564 EUR
Retailer 14€600 EUR
Retailer 2€622 EUR
Retailer 12€851 EUR
Retailer 17€858 EUR
Retailer 5€931 EUR
Retailer 10€1,163 EUR
Retailer 7€1,228 EUR
Retailer 13€1,312 EUR
Retailer 9€1,397 EUR
Retailer 16€1,407 EUR
Queensmith€1,643 EUR

41 data points across 18 retailers

18 retailers€349 EUR to €1,643 EUR

A
Cheapest Retailer
-
€349 EUR
$388 USD
A
Retailer 2
-
€391 EUR
HK$3,400 HKD
View
B+
Retailer 3
-
€429 EUR
$478 USD
View
A
Retailer 4
-
€431 EUR
$480 USD
View
B+
Retailer 5
-
€469 EUR
$522 USD
View
B+
Retailer 6
-
€563 EUR
View
B+
Retailer 7
-
€564 EUR
$628 USD
View
B+
Retailer 8
-
€600 EUR
ZAR 10,784 ZAR
View
B+
Retailer 9
-
€622 EUR
£545 GBP
View
B
Retailer 10
-
€851 EUR
A$1,458 AUD
View
B
Retailer 11
-
€858 EUR
$955 USD
View
B
Retailer 12
-
€931 EUR
SGD 1,401 SGD
View
B
Retailer 13
-
€1,163 EUR
$1,295 USD
View
B
Retailer 14
-
€1,253 EUR
$1,395 USD
View
B
Retailer 15
-
€1,312 EUR
$1,460 USD
View
B
Retailer 16
-
€1,397 EUR
$1,555 USD
View
Retailer 17
-
€1,407 EUR
£1,233 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Queensmith
LG818644817 · Oct 27
€1,643 EUR
£1,440 GBP
View
17 more retailers have this diamond
Prices start from €349 EURSave up to €1,295 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 Cushion
€349 EUR