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Cushion|Lab Grown|IGI

3.06ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG578311052

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG578311052

Diamond specifications and retailer prices

From €610 EUR
$682 USD
As of October 29, 2026
Save €3,677 EUR (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,287 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.06ct lab-grown cushion diamond

This 3.06ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG578311052 or 578311052. Listed at 14 retailers as of October 29, 2026, with prices from €610 to €4,287, a €3,677 spread on the same certified stone. Brilliant Earth lists it at €4,287. 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

3.06
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578311052
Dimensions9.17 × 7.65 × 4.98 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.17 mm7.65 mm3.06 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578311052
Side View
Table 62.0%Crown 35.1°Girdle: MED-STKPavilion 33.6°Culet: NoneDepth 65.1%

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 29
Current: €4,287 EUR|Low: €538 EUR|High: €4,422 EUR|Avg: €1,633 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
October 30, 2026
Retailer 3€610 EUR
Retailer 9€783 EUR
Retailer 13€919 EUR
Retailer 11€1,004 EUR
Retailer 10€1,037 EUR
Retailer 6€1,060 EUR
Retailer 2€1,431 EUR
Retailer 8€1,470 EUR
Retailer 12€1,964 EUR
Retailer 5€2,188 EUR
Retailer 4€2,239 EUR
Retailer 7€2,954 EUR
Brilliant Earth€4,287 EUR

39 data points across 13 retailers

14 retailers€610 EUR to €4,287 EUR

A
Cheapest Retailer
-
€610 EUR
$682 USD
Final sale: no returns
A
Retailer 2
-
€783 EUR
$875 USD
View
A
Retailer 3
-
€919 EUR
$1,027 USD
View
A
Retailer 4
-
€1,004 EUR
$1,122 USD
View
A
Retailer 5
-
€1,037 EUR
$1,159 USD
View
A
Retailer 6
-
€1,060 EUR
£932 GBP
View
B+
Retailer 7
-
€1,431 EUR
A$2,459 AUD
View
B+
Retailer 8
-
€1,470 EUR
ZAR 26,538 ZAR
View
B+
Retailer 9
-
€1,964 EUR
£1,728 GBP
View
B+
Retailer 10
-
€2,177 EUR
HK$19,000 HKD
View
B+
Retailer 11
-
€2,188 EUR
$2,445 USD
View
B
Retailer 12
-
€2,239 EUR
$2,502 USD
View
B
Retailer 13
-
€2,954 EUR
£2,599 GBP
View
Most Expensive
B
Brilliant Earth
17969334A · Oct 29
€4,287 EUR
$4,790 USD
View
13 more retailers have this diamond
Prices start from €610 EURSave up to €3,677 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
3.06ct Cushion
€610 EUR