Cushion|Lab Grown|IGI

1.51ct K VS1 Cushion Lab Grown Diamond

ID • K/VS1 • IGI LG821673225

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG821673225

Diamond specifications and retailer prices

From €1,243 EUR
As of November 4, 2026
Save €1,305 EUR (51%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €2,549 EUR at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821673225 or 821673225. Listed at 4 retailers as of November 4, 2026, with prices from €1,243 to €2,549, a €1,305 spread on the same certified stone. Frank Darling lists it at €2,549. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821673225
Dimensions9.15 × 5.97 × 3.79 mm
L/W Ratio1.53
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa Faint Brown
Top View
9.15 mm5.97 mm1.51 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821673225
Side View
Table 53.0%Crown 38°Girdle: MED-THKPavilion 42°Culet: LargeDepth 63.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: €2,549 EUR|Low: €722 EUR|High: €2,888 EUR|Avg: €1,680 EUR
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7€722 EUR
Retailer 6€1,098 EUR
Retailer 3€1,243 EUR
Retailer 2€1,402 EUR
Retailer 5€2,099 EUR
Frank Darling€2,549 EUR
Retailer 4€2,888 EUR

13 data points across 7 retailers

4 retailers€1,243 EUR to €2,549 EUR

Retailer 1
-
€722 EUR
Price last confirmed 63 days ago
B
Retailer 2
-
€1,243 EUR
View
B
Retailer 3
-
€1,402 EUR
View
Most Expensive
C
Frank Darling
LGO942129JA · Nov 6
€2,549 EUR
$2,845 USD
View
3 more retailers have this diamond
Prices start from €1,243 EURSave up to €1,305 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.

B
1.51ct Cushion
€1,243 EUR