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Cushion|Lab Grown|IGI

3.08ct F IF Cushion Lab Grown Diamond

EX • F/IF • IGI LG848606726

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG848606726

Diamond specifications and retailer prices

From £647 GBP
As of November 4, 2026
Save £2,616 GBP (80%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,263 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 3.08ct lab-grown cushion diamond

This 3.08ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG848606726 or 848606726. Listed at 3 retailers as of November 1, 2026, with prices from £647 to £3,263, a £2,616 spread on the same certified stone. Rare Carat lists it at £3,263. 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

3.08
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848606726
Dimensions9.90 × 7.65 × 5.15 mm
L/W Ratio1.29
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.90 mm7.65 mm3.08 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848606726
Side View
Table 59.0%Crown 37°Girdle: MED-THKPavilion 35.6°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,052 GBP|Low: £647 GBP|High: £1,114 GBP|Avg: £916 GBP|-5.4%
Retailer 1
Retailer 2
November 5, 2026
Retailer 2£647 GBP
Retailer 1£1,052 GBP

12 data points across 2 retailers

3 retailers£647 GBP to £3,263 GBP

A
Cheapest Retailer
-
£647 GBP
Final sale: no returns
A
Retailer 2
-
£1,052 GBP
View
Most Expensive
B+
Rare Carat
848606726 · Nov 1
£3,263 GBP
$4,405 USD
View
2 more retailers have this diamond
Prices start from £647 GBPSave up to £2,616 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
3.08ct Cushion
£647 GBP