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Cushion|Lab Grown|IGI

1.51ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG729574962

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

Certificate IGI LG729574962

Diamond specifications and retailer prices

From €233 EUR
$260 USD
As of October 30, 2026
Save €1,736 EUR (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,978 EUR at Brilliant Earth · As of October 3, 2026
View at Brilliant Earth

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 LG729574962 or 729574962. Listed at 19 retailers as of October 30, 2026, with a 746% 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

1.51
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729574962
Dimensions6.56 × 6.55 × 4.35 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.56 mm6.55 mm1.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729574962
Side View
Table 64.0%Crown 35.4°Girdle: MediumPavilion 38.6°Culet: NoneDepth 66.4%

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: €1,978 EUR|Low: €233 EUR|High: €1,978 EUR|Avg: €725 EUR
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 16€233 EUR
Retailer 8€274 EUR
Retailer 3€289 EUR
Retailer 17€349 EUR
Retailer 2€426 EUR
Retailer 10€448 EUR
Retailer 14€468 EUR
Retailer 6€471 EUR
Retailer 15€484 EUR
Retailer 11€488 EUR
Retailer 7€639 EUR
Retailer 13€640 EUR
Retailer 4€790 EUR
Retailer 5€879 EUR
Retailer 12€916 EUR
Retailer 9€1,099 EUR
Retailer 18€1,163 EUR
Brilliant Earth€1,978 EUR

29 data points across 18 retailers

19 retailers€233 EUR to €1,969 EUR

A
Cheapest Retailer
-
€233 EUR
$260 USD
Final sale: no returns
A
Retailer 2
-
€274 EUR
$306 USD
View
A
Retailer 3
-
€289 EUR
£254 GBP
View
B+
Retailer 4
-
€349 EUR
$390 USD
View
A
Retailer 5
-
€426 EUR
View
Retailer 6
-
€448 EUR
$500 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
€468 EUR
$523 USD
View
A
Retailer 8
-
€471 EUR
ZAR 8,496 ZAR
View
A
Retailer 9
-
€484 EUR
$541 USD
View
A
Retailer 10
-
€488 EUR
£430 GBP
View
B+
Retailer 11
-
€639 EUR
A$1,098 AUD
View
B+
Retailer 12
-
€640 EUR
$715 USD
View
B+
Retailer 13
-
€790 EUR
$883 USD
View
B+
Retailer 14
-
€879 EUR
$982 USD
View
B+
Retailer 15
-
€916 EUR
SGD 1,383 SGD
View
B
Retailer 16
-
€1,099 EUR
£967 GBP
View
B
Retailer 17
-
€1,163 EUR
$1,299 USD
View
B
Retailer 18
-
€1,969 EUR
$2,200 USD
View
Most Expensive
Brilliant Earth
16347918A · Oct 3
€1,978 EUR
$2,210 USD
View
Price last confirmed 28 days ago
18 more retailers have this diamond
Prices start from €233 EURSave up to €1,736 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
€233 EUR