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Cushion|Lab Grown|IGI

3.06ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG739586186

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG739586186

Diamond specifications and retailer prices

From £399 GBP
$535 USD
As of November 1, 2026
Save £2,757 GBP (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,156 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 3.06ct lab-grown cushion diamond

This 3.06ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG739586186 or 739586186. Listed at 15 retailers as of October 27, 2026, with prices from £399 to £3,156, a £2,757 spread on the same certified stone. Queensmith lists it at £3,156. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.06
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739586186
Dimensions9.69 × 8.05 × 4.96 mm
L/W Ratio1.20
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.69 mm8.05 mm3.06 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739586186
Side View
Table 61.0%Crown 32.8°Girdle: MED-THKPavilion 34.9°Culet: NoneDepth 61.6%

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 1
Current: £735 GBP|Low: £399 GBP|High: £1,796 GBP|Avg: £949 GBP|+3.4%
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
November 2, 2026
Retailer 5£399 GBP
Retailer 13£443 GBP
Retailer 7£505 GBP
Retailer 8£643 GBP
Retailer 12£668 GBP
Retailer 3£691 GBP
Retailer 1£735 GBP
Retailer 2£911 GBP
Retailer 9£935 GBP
Retailer 10£961 GBP
Retailer 6£1,445 GBP
Retailer 4£1,554 GBP
Retailer 11£1,635 GBP
Retailer 14£1,656 GBP

37 data points across 14 retailers

15 retailers£399 GBP to £3,156 GBP

A
Cheapest Retailer
-
£399 GBP
$535 USD
Final sale: no returns
Retailer 2
-
£443 GBP
$593 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£505 GBP
View
A
Retailer 4
-
£643 GBP
€820 EUR
View
B+
Retailer 5
-
£668 GBP
$895 USD
View
A
Retailer 6
-
£691 GBP
$926 USD
View
A
Retailer 7
-
£735 GBP
View
B+
Retailer 8
-
£911 GBP
$1,221 USD
View
A
Retailer 9
-
£935 GBP
A$1,927 AUD
View
A
Retailer 10
-
£961 GBP
ZAR 20,802 ZAR
View
B+
Retailer 11
-
£1,445 GBP
$1,936 USD
View
B
Retailer 12
-
£1,554 GBP
$2,082 USD
View
B+
Retailer 13
-
£1,635 GBP
View
B+
Retailer 14
-
£1,656 GBP
$2,219 USD
View
Most Expensive
B
Queensmith
LG739586186 · Oct 27
£3,156 GBP
View
14 more retailers have this diamond
Prices start from £399 GBPSave up to £2,757 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
£399 GBP