Cushion|Lab Grown|IGI

3.06ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG843671393

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843671393

Diamond specifications and retailer prices

From £449 GBP
HK$4,700 HKD
As of October 27, 2026
Save £1,062 GBP (70%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,373 GBP at Brilliant Earth · As of October 24, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843671393 or 843671393. Listed at 17 retailers as of October 26, 2026, with a 236% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843671393
Dimensions10.13 × 7.26 × 4.70 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.13 mm7.26 mm3.06 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843671393
Side View
Table 65.0%Crown 34.4°Girdle: MED-THKPavilion 33.3°Culet: NoneDepth 64.7%

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 27
Current: £867 GBP|Low: £370 GBP|High: £1,781 GBP|Avg: £941 GBP
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
October 26, 2026
Retailer 2£370 GBP
Retailer 15£449 GBP
Retailer 11£469 GBP
Retailer 17£519 GBP
Retailer 12£625 GBP
Retailer 4£634 GBP
Retailer 7£645 GBP
Retailer 10£669 GBP
Retailer 1£867 GBP
Retailer 14£884 GBP
Retailer 5£902 GBP
Retailer 8£1,302 GBP
Retailer 6£1,344 GBP
Retailer 16£1,471 GBP
Retailer 13£1,511 GBP
Retailer 3£1,537 GBP
Retailer 9£1,781 GBP

6 data points across 17 retailers

17 retailers£449 GBP to £1,511 GBP

A
Cheapest Retailer
-
£449 GBP
HK$4,700 HKD
Retailer 2
-
£469 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
£519 GBP
$695 USD
View
Price last confirmed 6 days ago
Retailer 4
-
£625 GBP
€797 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
£634 GBP
$850 USD
View
Retailer 6
-
£645 GBP
$864 USD
View
Price last confirmed 7 days ago
Retailer 7
-
£669 GBP
View
Price last confirmed 7 days ago
Retailer 8
-
£867 GBP
A$1,787 AUD
View
Price last confirmed 7 days ago
Retailer 9
-
£884 GBP
ZAR 19,125 ZAR
View
Price last confirmed 9 days ago
Retailer 10
-
£902 GBP
$1,209 USD
View
Price last confirmed 7 days ago
Retailer 11
-
£1,302 GBP
SGD 2,358 SGD
View
Price last confirmed 8 days ago
Retailer 12
-
£1,344 GBP
$1,801 USD
View
Price last confirmed 7 days ago
Retailer 13
-
£1,471 GBP
$1,971 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
£1,511 GBP
View
B+
Retailer 15
-
£1,537 GBP
$2,059 USD
View
Price last confirmed 7 days ago
Retailer 16
-
£1,781 GBP
$2,386 USD
View
Price last confirmed 8 days ago
Most Expensive
Brilliant Earth
22219148A · Oct 24
£2,373 GBP
$3,180 USD
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from £449 GBPSave up to £1,062 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
£449 GBP