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Cushion|Lab Grown|IGI

3.06ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG577391216

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG577391216

Diamond specifications and retailer prices

From £509 GBP
$682 USD
As of October 31, 2026
Save £1,946 GBP (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,455 GBP at Brilliant Earth · As of October 31, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG577391216 or 577391216. Listed at 13 retailers as of October 31, 2026, with prices from £509 to £2,455, a £1,946 spread on the same certified stone. Brilliant Earth lists it at £2,455. 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
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577391216
Dimensions9.34 × 7.76 × 4.95 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
9.34 mm7.76 mm3.06 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577391216
Side View
Table 61.0%Crown 32.8°Girdle: MED-STKPavilion 31.9°Culet: NoneDepth 63.8%

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 31
Current: £2,455 GBP|Low: £452 GBP|High: £2,530 GBP|Avg: £1,283 GBP|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 12£509 GBP
Retailer 8£564 GBP
Retailer 6£653 GBP
Retailer 11£766 GBP
Retailer 9£821 GBP
Retailer 7£865 GBP
Retailer 2£876 GBP
Retailer 10£1,638 GBP
Retailer 4£1,825 GBP
Retailer 3£1,867 GBP
Retailer 5£2,454 GBP
Brilliant Earth£2,455 GBP

40 data points across 12 retailers

13 retailers£509 GBP to £2,455 GBP

A
Cheapest Retailer
-
£509 GBP
$682 USD
Final sale: no returns
Retailer 2
-
£564 GBP
$756 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£653 GBP
$875 USD
View
A
Retailer 4
-
£766 GBP
$1,027 USD
View
A
Retailer 5
-
£821 GBP
$1,100 USD
View
A
Retailer 6
-
£865 GBP
$1,159 USD
View
A
Retailer 7
-
£876 GBP
View
B+
Retailer 8
-
£1,638 GBP
View
B
Retailer 9
-
£1,777 GBP
HK$18,600 HKD
View
B
Retailer 10
-
£1,825 GBP
$2,445 USD
View
B
Retailer 11
-
£1,867 GBP
$2,502 USD
View
Retailer 12
-
£2,454 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
17969388A · Oct 31
£2,455 GBP
$3,290 USD
View
12 more retailers have this diamond
Prices start from £509 GBPSave up to £1,946 GBP

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
£509 GBP