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Cushion|Lab Grown|IGI

1.28ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG826615134

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

Certificate IGI LG826615134

Diamond specifications and retailer prices

From €226 EUR
$254 USD
As of October 30, 2026
Save €827 EUR (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,053 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826615134 or 826615134. Listed at 15 retailers as of October 30, 2026, with prices from €226 to €1,053, a €827 spread on the same certified stone. Reve Diamonds lists it at €1,053. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826615134
Dimensions6.32 × 6.32 × 4.20 mm
L/W Ratio1.00
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
6.32 mm6.32 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826615134
Side View
Table 62.0%Crown 35.7°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 66.5%

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: Oct 30
Current: €393 EUR|Low: €209 EUR|High: €1,053 EUR|Avg: €529 EUR|+7.8%
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
Reve Diamonds
October 31, 2026
Retailer 5€209 EUR
Retailer 9€226 EUR
Retailer 12€351 EUR
Retailer 14€358 EUR
Retailer 10€378 EUR
Retailer 1€393 EUR
Retailer 8€430 EUR
Retailer 3€508 EUR
Retailer 7€564 EUR
Retailer 13€588 EUR
Retailer 2€612 EUR
Retailer 11€745 EUR
Retailer 6€802 EUR
Retailer 4€979 EUR
Reve Diamonds€1,053 EUR

40 data points across 15 retailers

15 retailers€226 EUR to €1,053 EUR

Retailer 1
-
€209 EUR
$234 USD
Price last confirmed 8 days ago
A
Retailer 2
-
€226 EUR
$254 USD
View
Final sale: no returns
A
Retailer 3
-
€351 EUR
View
A
Retailer 4
-
€358 EUR
ZAR 6,486 ZAR
View
A
Retailer 5
-
€378 EUR
$424 USD
View
A
Retailer 6
-
€393 EUR
£347 GBP
View
A
Retailer 7
-
€430 EUR
$482 USD
View
Retailer 8
-
€508 EUR
A$877 AUD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
€564 EUR
$633 USD
View
B+
Retailer 10
-
€588 EUR
$660 USD
View
B+
Retailer 11
-
€612 EUR
A$1,056 AUD
View
B
Retailer 12
-
€745 EUR
$835 USD
View
B
Retailer 13
-
€802 EUR
$900 USD
View
Retailer 14
-
€979 EUR
£865 GBP
View
Price last confirmed 14 days ago
Most Expensive
B
Reve Diamonds
48955B1E0 · Oct 30
€1,053 EUR
$1,181 USD
View
14 more retailers have this diamond
Prices start from €226 EURSave up to €827 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
€226 EUR