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Cushion|Lab Grown|IGI

1.25ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG786634356

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG786634356

Diamond specifications and retailer prices

From €276 EUR
As of November 4, 2026
Save €1,103 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,860 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.25ct lab-grown cushion diamond

This 1.25ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786634356 or 786634356. Listed at 18 retailers as of October 29, 2026, with a 400% 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

1.25
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle43.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786634356
Dimensions7.07 × 6.20 × 3.76 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
7.07 mm6.20 mm1.25 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786634356
Side View
Table 60.0%Crown 32.7°Girdle: MED-THKPavilion 43.2°Culet: LargeDepth 60.6%

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: €841 EUR|Low: €265 EUR|High: €1,388 EUR|Avg: €695 EUR|+1.3%
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
November 4, 2026
Retailer 12€276 EUR
Retailer 8€308 EUR
Retailer 5€320 EUR
Retailer 3€343 EUR
Retailer 14€343 EUR
Retailer 13€462 EUR
Retailer 10€479 EUR
Retailer 7€604 EUR
Retailer 1€841 EUR
Retailer 11€1,052 EUR
Retailer 4€1,099 EUR
Retailer 2€1,101 EUR
Retailer 6€1,325 EUR
Retailer 9€1,379 EUR

44 data points across 14 retailers

18 retailers€276 EUR to €1,379 EUR

A
Cheapest Retailer
-
€276 EUR
A
Retailer 2
-
€308 EUR
View
Final sale: no returns
A
Retailer 3
-
€320 EUR
View
Retailer 4
-
€343 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
-
€343 EUR
View
A
Retailer 6
-
€462 EUR
View
B+
Retailer 7
-
€470 EUR
View
B+
Retailer 8
-
€479 EUR
View
B+
Retailer 9
-
€604 EUR
View
B+
Retailer 10
-
€841 EUR
View
B
Retailer 11
-
€1,052 EUR
View
B
Retailer 12
-
€1,099 EUR
View
B
Retailer 13
-
€1,101 EUR
View
B
Retailer 14
-
€1,141 EUR
View
B
Retailer 15
-
€1,325 EUR
View
B
Retailer 16
-
€1,374 EUR
View
B
Retailer 17
-
€1,379 EUR
View
Most Expensive
Queensmith
LG786634356 · Oct 27
€1,860 EUR
£1,650 GBP
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from €276 EURSave up to €1,103 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
1.25ct Cushion
€276 EUR