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Cushion|Lab Grown|IGI

1.28ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG794641717

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG794641717

Diamond specifications and retailer prices

From €221 EUR
As of November 4, 2026
Save €903 EUR (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,411 EUR at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG794641717 or 794641717. Listed at 17 retailers as of November 4, 2026, with a 408% 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

1.28
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794641717
Dimensions6.35 × 6.31 × 4.12 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
6.35 mm6.31 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794641717
Side View
Table 63.0%Crown 33.6°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 65.3%

Caratlytics Score

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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: Nov 4
Current: €279 EUR|Low: €218 EUR|High: €1,124 EUR|Avg: €575 EUR|-0.3%
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
Retailer 15
November 4, 2026
Retailer 9€221 EUR
Retailer 7€242 EUR
Retailer 1€279 EUR
Retailer 14€401 EUR
Retailer 2€418 EUR
Retailer 12€423 EUR
Retailer 8€452 EUR
Retailer 15€574 EUR
Retailer 10€600 EUR
Retailer 11€664 EUR
Retailer 5€835 EUR
Retailer 6€926 EUR
Retailer 4€960 EUR
Retailer 13€983 EUR
Retailer 3€1,124 EUR

26 data points across 15 retailers

17 retailers€221 EUR to €1,124 EUR

A
Cheapest Retailer
-
€221 EUR
Final sale: no returns
Retailer 2
-
€242 EUR
View
Price last confirmed 11 days ago
A
Retailer 3
-
€279 EUR
View
A
Retailer 4
-
€401 EUR
View
A
Retailer 5
-
€418 EUR
View
A
Retailer 6
-
€423 EUR
View
A
Retailer 7
-
€452 EUR
View
B+
Retailer 8
-
€574 EUR
View
A
Retailer 9
-
€600 EUR
View
B+
Retailer 10
-
€664 EUR
View
B+
Retailer 11
-
€835 EUR
View
B+
Retailer 12
-
€926 EUR
View
B
Retailer 13
-
€960 EUR
View
B+
Retailer 14
-
€983 EUR
View
Retailer 15
-
€1,085 EUR
View
Price last confirmed 115 days ago
B
Retailer 16
-
€1,124 EUR
View
Most Expensive
Brilliant Earth
19355098A · Oct 24
€1,411 EUR
$1,590 USD
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from €221 EURSave up to €903 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
1.28ct Cushion
€221 EUR