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Cushion|Lab Grown|IGI

1.05ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG786634307

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG786634307

Diamond specifications and retailer prices

From €309 EUR
$345 USD
As of October 29, 2026
Save €1,374 EUR (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,682 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG786634307 or 786634307. Listed at 18 retailers as of October 27, 2026, with prices from €309 to €1,682, a €1,374 spread on the same certified stone. Queensmith lists it at €1,682. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786634307
Dimensions6.61 × 5.78 × 3.44 mm
L/W Ratio1.14
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
6.61 mm5.78 mm1.05 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786634307
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 41.5°Culet: LargeDepth 59.5%

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: €688 EUR|Low: €296 EUR|High: €1,514 EUR|Avg: €770 EUR|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 12€309 EUR
Retailer 11€346 EUR
Retailer 5€358 EUR
Retailer 3€383 EUR
Retailer 14€383 EUR
Retailer 13€515 EUR
Retailer 9€519 EUR
Retailer 1€688 EUR
Retailer 7€930 EUR
Retailer 4€1,019 EUR
Retailer 10€1,123 EUR
Retailer 2€1,231 EUR
Retailer 6€1,487 EUR
Retailer 8€1,504 EUR

43 data points across 14 retailers

18 retailers€309 EUR to €1,682 EUR

A
Cheapest Retailer
-
€309 EUR
$345 USD
A
Retailer 2
-
€346 EUR
$386 USD
View
Final sale: no returns
A
Retailer 3
-
€358 EUR
$400 USD
View
A
Retailer 4
-
€383 EUR
$428 USD
View
A
Retailer 5
-
€383 EUR
$428 USD
View
B+
Retailer 6
-
€455 EUR
$508 USD
View
B+
Retailer 7
-
€515 EUR
$575 USD
View
B+
Retailer 8
-
€519 EUR
$580 USD
View
B+
Retailer 9
-
€688 EUR
£605 GBP
View
B
Retailer 10
-
€930 EUR
A$1,598 AUD
View
B
Retailer 11
-
€1,019 EUR
SGD 1,539 SGD
View
B
Retailer 12
-
€1,123 EUR
$1,255 USD
View
B
Retailer 13
-
€1,231 EUR
$1,375 USD
View
B
Retailer 14
-
€1,269 EUR
$1,418 USD
View
B
Retailer 15
-
€1,483 EUR
$1,656 USD
View
B
Retailer 16
-
€1,487 EUR
£1,308 GBP
View
B
Retailer 17
-
€1,504 EUR
£1,323 GBP
View
Most Expensive
B
Queensmith
LG786634307 · Oct 27
€1,682 EUR
£1,480 GBP
View
17 more retailers have this diamond
Prices start from €309 EURSave up to €1,374 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
€309 EUR