Cushion|Lab Grown|IGI

1.28ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG750599918

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG750599918

Diamond specifications and retailer prices

From €248 EUR
£219 GBP
As of November 2, 2026
Save €720 EUR (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,028 EUR at Reve Diamonds · As of October 11, 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 LG750599918 or 750599918. Listed at 12 retailers as of November 2, 2026, with a 291% 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
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750599918
Dimensions7.55 × 5.87 × 3.91 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.55 mm5.87 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750599918
Side View
Table 64.0%Crown 28.9°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 66.6%

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: Nov 2
Current: €248 EUR|Low: €181 EUR|High: €1,028 EUR|Avg: €497 EUR|+2.1%
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
Reve Diamonds
November 2, 2026
Retailer 3€186 EUR
Retailer 5€201 EUR
Retailer 1€248 EUR
Retailer 8€358 EUR
Retailer 4€364 EUR
Retailer 10€371 EUR
Retailer 7€373 EUR
Retailer 13€426 EUR
Retailer 12€497 EUR
Retailer 6€505 EUR
Retailer 11€642 EUR
Retailer 2€714 EUR
Retailer 9€968 EUR
Reve Diamonds€1,028 EUR

40 data points across 14 retailers

12 retailers€248 EUR to €968 EUR

A
Cheapest Retailer
-
€248 EUR
£219 GBP
A
Retailer 2
-
€358 EUR
ZAR 6,479 ZAR
View
A
Retailer 3
-
€364 EUR
$408 USD
View
A
Retailer 4
-
€371 EUR
View
A
Retailer 5
-
€373 EUR
£329 GBP
View
A
Retailer 6
-
€426 EUR
$478 USD
View
B+
Retailer 7
-
€497 EUR
$557 USD
View
B+
Retailer 8
-
€505 EUR
A$872 AUD
View
B+
Retailer 9
-
€642 EUR
$720 USD
View
B+
Retailer 10
-
€714 EUR
$801 USD
View
B
Retailer 11
-
€968 EUR
£855 GBP
View
Most Expensive
Reve Diamonds
26DD45DAA · Oct 11
€1,028 EUR
$1,153 USD
View
Price last confirmed 22 days ago
11 more retailers have this diamond
Prices start from €248 EURSave up to €720 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
€248 EUR