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Cushion|Lab Grown|IGI

3.06ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG817679128

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG817679128

Diamond specifications and retailer prices

From £717 GBP
As of November 1, 2026
Save £3,164 GBP (82%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,882 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817679128 or 817679128. Listed at 6 retailers as of November 1, 2026, with prices from £717 to £3,882, a £3,164 spread on the same certified stone. Do Amore Diamonds lists it at £3,882. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817679128
Dimensions8.43 × 8.38 × 5.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.43 mm8.38 mm3.06 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817679128
Side View
Table 62.0%Crown 34.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 66.9%

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 1
Current: £3,882 GBP|Low: £717 GBP|High: £4,156 GBP|Avg: £1,986 GBP|-6.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6£717 GBP
Retailer 4£719 GBP
Retailer 9£974 GBP
Retailer 3£1,264 GBP
Retailer 7£1,329 GBP
Retailer 8£1,972 GBP
Retailer 2£2,358 GBP
Retailer 5£3,482 GBP
Do Amore Diamonds£3,882 GBP

20 data points across 9 retailers

6 retailers£717 GBP to £3,882 GBP

A
Cheapest Retailer
-
£717 GBP
A
Retailer 2
-
£719 GBP
View
B+
Retailer 3
-
£1,264 GBP
View
B
Retailer 4
-
£2,358 GBP
View
B
Retailer 5
-
£3,482 GBP
View
Most Expensive
B
Do Amore Diamonds
27-40F4B453A · Nov 2
£3,882 GBP
$5,240 USD
View
5 more retailers have this diamond
Prices start from £717 GBPSave up to £3,164 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
£717 GBP