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Cushion|Lab Grown|IGI

3.05ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG840629501

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840629501

Diamond specifications and retailer prices

From €669 EUR
$750 USD
As of November 2, 2026
Save €3,852 EUR (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €4,520 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840629501 or 840629501. Listed at 16 retailers as of October 31, 2026, with prices from €669 to €4,520, a €3,852 spread on the same certified stone. Brilliant Earth lists it at €4,520. 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

3.05
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629501
Dimensions9.98 × 7.39 × 4.99 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.98 mm7.39 mm3.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629501
Side View
Table 63.0%Crown 35.1°Girdle: STK-THKPavilion 34.9°Culet: NoneDepth 67.5%

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: Nov 2
Current: €4,520 EUR|Low: €669 EUR|High: €4,520 EUR|Avg: €1,733 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
November 2, 2026
Retailer 3€669 EUR
Retailer 2€686 EUR
Retailer 16€843 EUR
Retailer 7€848 EUR
Retailer 4€874 EUR
Retailer 12€899 EUR
Retailer 9€936 EUR
Retailer 15€1,269 EUR
Retailer 5€1,305 EUR
Retailer 13€2,036 EUR
Retailer 6€2,055 EUR
Retailer 8€2,084 EUR
Retailer 10€2,149 EUR
Retailer 11€2,509 EUR
Retailer 14€3,896 EUR
Brilliant Earth€4,520 EUR

6 data points across 16 retailers

16 retailers€669 EUR to €4,520 EUR

A
Cheapest Retailer
-
€669 EUR
$750 USD
A
Retailer 2
-
€686 EUR
£606 GBP
View
A
Retailer 3
-
€843 EUR
$945 USD
View
A
Retailer 4
-
€848 EUR
$951 USD
View
A
Retailer 5
-
€874 EUR
$980 USD
View
A
Retailer 6
-
€899 EUR
View
A
Retailer 7
-
€936 EUR
£827 GBP
View
A
Retailer 8
-
€1,269 EUR
A$2,190 AUD
View
A
Retailer 9
-
€1,305 EUR
ZAR 23,652 ZAR
View
B+
Retailer 10
-
€2,036 EUR
$2,284 USD
View
B+
Retailer 11
-
€2,055 EUR
$2,305 USD
View
B+
Retailer 12
-
€2,084 EUR
SGD 3,159 SGD
View
B+
Retailer 13
-
€2,149 EUR
$2,410 USD
View
B
Retailer 14
-
€2,509 EUR
£2,216 GBP
View
B
Retailer 15
-
€3,896 EUR
$4,370 USD
View
Most Expensive
B
Brilliant Earth
22335762Y · Oct 31
€4,520 EUR
$5,070 USD
View
15 more retailers have this diamond
Prices start from €669 EURSave up to €3,852 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
3.05ct Cushion
€669 EUR