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Cushion|Lab Grown|IGI

3.05ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG840627385

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840627385

Diamond specifications and retailer prices

From €618 EUR
£544 GBP
As of November 2, 2026
Save €4,331 EUR (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,950 EUR at Brilliant Earth · As of November 1, 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 LG840627385 or 840627385. Listed at 17 retailers as of November 1, 2026, with prices from €618 to €4,950, a €4,331 spread on the same certified stone. Brilliant Earth lists it at €4,950. 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840627385
Dimensions10.35 × 7.30 × 5.14 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.35 mm7.30 mm3.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840627385
Side View
Table 63.0%Crown 34.8°Girdle: MED-THKPavilion 36.9°Culet: NoneDepth 70.4%

Caratlytics Score

How it works →
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: €618 EUR|Low: €485 EUR|High: €3,518 EUR|Avg: €1,324 EUR|+7.0%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 9€485 EUR
Retailer 1€618 EUR
Retailer 18€652 EUR
Retailer 14€653 EUR
Retailer 13€790 EUR
Retailer 7€828 EUR
Retailer 17€848 EUR
Retailer 16€1,145 EUR
Retailer 10€1,648 EUR
Retailer 8€1,685 EUR
Retailer 2€1,760 EUR
Retailer 6€1,843 EUR
Retailer 15€1,856 EUR
Retailer 5€1,900 EUR
Retailer 11€2,157 EUR
Retailer 12€2,263 EUR
Retailer 4€2,709 EUR
Retailer 3€3,518 EUR

11 data points across 18 retailers

17 retailers€618 EUR to €4,950 EUR

A
Cheapest Retailer
-
€618 EUR
£544 GBP
B+
Retailer 2
-
€652 EUR
$728 USD
View
A
Retailer 3
-
€653 EUR
$730 USD
View
A
Retailer 4
-
€790 EUR
View
Retailer 5
-
€828 EUR
£728 GBP
View
Price last confirmed 13 days ago
A
Retailer 6
-
€848 EUR
$947 USD
View
A
Retailer 7
-
€1,145 EUR
A$1,968 AUD
View
Retailer 8
-
€1,648 EUR
$1,841 USD
View
Price last confirmed 13 days ago
B+
Retailer 9
-
€1,760 EUR
$1,966 USD
View
B+
Retailer 10
-
€1,843 EUR
$2,059 USD
View
B+
Retailer 11
-
€1,856 EUR
A$3,190 AUD
View
B+
Retailer 12
-
€1,900 EUR
SGD 2,868 SGD
View
B+
Retailer 13
-
€2,157 EUR
$2,410 USD
View
B
Retailer 14
-
€2,263 EUR
£1,991 GBP
View
B
Retailer 15
-
€2,709 EUR
$3,026 USD
View
B
Retailer 16
-
€3,518 EUR
$3,930 USD
View
Most Expensive
B
Brilliant Earth
22434313Y · Nov 1
€4,950 EUR
$5,530 USD
View
16 more retailers have this diamond
Prices start from €618 EURSave up to €4,331 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
€618 EUR