Cushion|Lab Grown|IGI

3.00ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG731590309

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG731590309

Diamond specifications and retailer prices

From €508 EUR
$568 USD
As of October 30, 2026
Save €1,958 EUR (79%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €5,657 EUR at Brilliant Earth · As of October 10, 2026
View at Brilliant Earth

About this 3ct lab-grown cushion diamond

This 3ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG731590309 or 731590309. Listed at 23 retailers as of October 30, 2026, with a 385% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.00
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731590309
Dimensions10.59 × 6.82 × 4.55 mm
L/W Ratio1.55
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.59 mm6.82 mm3.00 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731590309
Side View
Table 66.0%Crown 39°Girdle: STK-VTKPavilion 31.5°Culet: NoneDepth 66.7%

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: €5,657 EUR|Low: €508 EUR|High: €5,657 EUR|Avg: €1,587 EUR
Brilliant Earth
Retailer 2
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Retailer 22
October 31, 2026
Retailer 6€508 EUR
Retailer 3€564 EUR
Retailer 21€619 EUR
Retailer 13€649 EUR
Retailer 22€756 EUR
Retailer 8€815 EUR
Retailer 2€858 EUR
Retailer 17€939 EUR
Retailer 18€1,191 EUR
Retailer 19€1,224 EUR
Retailer 5€1,236 EUR
Retailer 16€1,238 EUR
Retailer 11€1,252 EUR
Retailer 12€1,637 EUR
Retailer 10€1,785 EUR
Retailer 14€1,835 EUR
Retailer 7€1,948 EUR
Retailer 9€2,102 EUR
Retailer 4€2,182 EUR
Retailer 20€2,357 EUR
Retailer 15€2,479 EUR
Brilliant Earth€5,657 EUR

34 data points across 22 retailers

23 retailers€508 EUR to €2,466 EUR

A
Cheapest Retailer
-
€508 EUR
$568 USD
Final sale: no returns
Retailer 2
-
€564 EUR
$630 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
€619 EUR
HK$5,400 HKD
View
A
Retailer 4
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€649 EUR
$725 USD
View
B+
Retailer 5
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€756 EUR
$845 USD
View
A
Retailer 6
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€815 EUR
$911 USD
View
A
Retailer 7
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€858 EUR
View
A
Retailer 8
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€939 EUR
£826 GBP
View
A
Retailer 9
-
€1,191 EUR
A$2,047 AUD
View
A
Retailer 10
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€1,224 EUR
ZAR 22,092 ZAR
View
A
Retailer 11
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€1,236 EUR
$1,381 USD
View
A
Retailer 12
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€1,238 EUR
$1,383 USD
View
A
Retailer 13
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€1,252 EUR
$1,399 USD
View
B+
Retailer 14
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€1,637 EUR
£1,440 GBP
View
B+
Retailer 15
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€1,785 EUR
SGD 2,695 SGD
View
B+
Retailer 16
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€1,835 EUR
$2,050 USD
View
B+
Retailer 17
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€1,948 EUR
$2,176 USD
View
B+
Retailer 18
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€1,981 EUR
$2,213 USD
View
B+
Retailer 19
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€2,102 EUR
$2,348 USD
View
Retailer 20
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€2,182 EUR
A$3,751 AUD
View
Price last confirmed 27 days ago
B+
Retailer 21
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€2,357 EUR
£2,073 GBP
View
B
Retailer 22
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€2,466 EUR
$2,755 USD
View
Most Expensive
Brilliant Earth
15621530A · Oct 10
€5,657 EUR
$6,320 USD
View
Price last confirmed 21 days ago
22 more retailers have this diamond
Prices start from €508 EURSave up to €1,958 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
3.00ct Cushion
€508 EUR