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Cushion|Lab Grown|IGI

1.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG830643286

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830643286

Diamond specifications and retailer prices

From €261 EUR
£229 GBP
As of October 27, 2026
Save €903 EUR (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,164 EUR at Brilliant Earth · As of October 31, 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 LG830643286 or 830643286. Listed at 19 retailers as of October 27, 2026, with prices from €261 to €1,164, a €903 spread on the same certified stone. Brilliant Earth lists it at €1,164. 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 angle34°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830643286
Dimensions7.70 × 5.91 × 3.81 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.70 mm5.91 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830643286
Side View
Table 62.0%Crown 34°Girdle: MED-STKPavilion 33.5°Culet: NoneDepth 64.5%

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 27
Current: €1,164 EUR|Low: €210 EUR|High: €1,513 EUR|Avg: €652 EUR|-23.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 20
October 31, 2026
Retailer 10€210 EUR
Retailer 16€261 EUR
Retailer 11€264 EUR
Retailer 2€376 EUR
Retailer 20€395 EUR
Retailer 4€401 EUR
Retailer 18€429 EUR
Retailer 6€460 EUR
Retailer 8€462 EUR
Retailer 17€545 EUR
Retailer 13€598 EUR
Retailer 15€749 EUR
Retailer 9€798 EUR
Retailer 12€909 EUR
Retailer 14€926 EUR
Retailer 19€937 EUR
Retailer 7€951 EUR
Retailer 3€976 EUR
Retailer 5€1,098 EUR
Brilliant Earth€1,164 EUR

32 data points across 20 retailers

19 retailers€261 EUR to €1,164 EUR

A
Cheapest Retailer
-
€261 EUR
£229 GBP
A
Retailer 2
-
€264 EUR
HK$2,300 HKD
View
A
Retailer 3
-
€376 EUR
View
Retailer 4
-
€395 EUR
ZAR 7,127 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 5
-
€401 EUR
$448 USD
View
A
Retailer 6
-
€429 EUR
£377 GBP
View
A
Retailer 7
-
€460 EUR
$514 USD
View
A
Retailer 8
-
€462 EUR
$516 USD
View
A
Retailer 9
-
€545 EUR
A$937 AUD
View
B+
Retailer 10
-
€598 EUR
$668 USD
View
B+
Retailer 11
-
€749 EUR
SGD 1,131 SGD
View
B+
Retailer 12
-
€798 EUR
$892 USD
View
Retailer 13
-
€909 EUR
A$1,562 AUD
View
Price last confirmed 31 days ago
B
Retailer 14
-
€926 EUR
$1,034 USD
View
Retailer 15
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€937 EUR
£824 GBP
View
Price last confirmed 7 days ago
B
Retailer 16
-
€951 EUR
$1,063 USD
View
Retailer 17
-
€976 EUR
$1,090 USD
View
Price last confirmed 11 days ago
Retailer 18
-
€1,098 EUR
$1,227 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21274481A · Oct 31
€1,164 EUR
$1,300 USD
View
18 more retailers have this diamond
Prices start from €261 EURSave up to €903 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
€261 EUR