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Cushion|Lab Grown|IGI

1.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG821606794

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG821606794

Diamond specifications and retailer prices

From €218 EUR
$244 USD
As of October 30, 2026
Save €1,737 EUR (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,955 EUR at Queensmith · As of October 27, 2026
View at Queensmith

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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821606794 or 821606794. Listed at 15 retailers as of October 27, 2026, with prices from €218 to €1,955, a €1,737 spread on the same certified stone. Queensmith lists it at €1,955. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821606794
Dimensions7.69 × 6.04 × 3.75 mm
L/W Ratio1.27
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.69 mm6.04 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821606794
Side View
Table 64.0%Crown 33.3°Girdle: MED-THKPavilion 32.3°Culet: NoneDepth 62.1%

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: €446 EUR|Low: €155 EUR|High: €1,121 EUR|Avg: €638 EUR|+1.9%
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
October 31, 2026
Retailer 14€218 EUR
Retailer 11€243 EUR
Retailer 3€415 EUR
Retailer 9€416 EUR
Retailer 1€446 EUR
Retailer 7€446 EUR
Retailer 6€463 EUR
Retailer 10€566 EUR
Retailer 4€827 EUR
Retailer 8€902 EUR
Retailer 12€973 EUR
Retailer 2€986 EUR
Retailer 13€989 EUR
Retailer 5€1,121 EUR

44 data points across 14 retailers

15 retailers€218 EUR to €1,955 EUR

A
Cheapest Retailer
-
€218 EUR
$244 USD
Final sale: no returns
A
Retailer 2
-
€243 EUR
$271 USD
View
A
Retailer 3
-
€415 EUR
$464 USD
View
A
Retailer 4
-
€416 EUR
ZAR 7,516 ZAR
View
A
Retailer 5
-
€446 EUR
View
A
Retailer 6
-
€446 EUR
£393 GBP
View
A
Retailer 7
-
€463 EUR
$517 USD
View
A
Retailer 8
-
€566 EUR
A$973 AUD
View
B+
Retailer 9
-
€827 EUR
$923 USD
View
B+
Retailer 10
-
€902 EUR
A$1,551 AUD
View
B+
Retailer 11
-
€973 EUR
£856 GBP
View
B
Retailer 12
-
€986 EUR
$1,102 USD
View
Retailer 13
-
€989 EUR
$1,105 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
€1,121 EUR
$1,252 USD
View
Most Expensive
B
Queensmith
LG821606794 · Oct 27
€1,955 EUR
£1,720 GBP
View
14 more retailers have this diamond
Prices start from €218 EURSave up to €1,737 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
1.51ct Cushion
€218 EUR