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Cushion|Lab Grown|IGI

3.08ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG750578032

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG750578032

Diamond specifications and retailer prices

From £353 GBP
$473 USD
As of October 25, 2026
Save £3,244 GBP (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,597 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.08ct lab-grown cushion diamond

This 3.08ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG750578032 or 750578032. Listed at 14 retailers as of October 25, 2026, with prices from £353 to £3,597, a £3,244 spread on the same certified stone. Brilliant Earth lists it at £3,597. 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
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750578032
Dimensions9.62 × 7.51 × 5.06 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.62 mm7.51 mm3.08 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750578032
Side View
Table 59.0%Crown 35.4°Girdle: THK-VTKPavilion 35.4°Culet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: £3,597 GBP|Low: £349 GBP|High: £3,702 GBP|Avg: £1,054 GBP|-2.8%
Brilliant Earth
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
October 31, 2026
Retailer 6£353 GBP
Retailer 7£545 GBP
Retailer 11£555 GBP
Retailer 9£578 GBP
Retailer 14£614 GBP
Retailer 2£630 GBP
Retailer 3£743 GBP
Retailer 4£766 GBP
Retailer 8£787 GBP
Retailer 12£1,150 GBP
Retailer 10£1,305 GBP
Retailer 13£1,354 GBP
Retailer 5£1,381 GBP
Brilliant Earth£3,597 GBP

42 data points across 14 retailers

14 retailers£353 GBP to £3,597 GBP

A
Cheapest Retailer
-
£353 GBP
$473 USD
A
Retailer 2
-
£545 GBP
$730 USD
View
B+
Retailer 3
-
£555 GBP
$744 USD
View
A
Retailer 4
-
£578 GBP
$775 USD
View
A
Retailer 5
-
£614 GBP
€784 EUR
View
A
Retailer 6
-
£630 GBP
View
A
Retailer 7
-
£743 GBP
A$1,531 AUD
View
A
Retailer 8
-
£766 GBP
ZAR 16,582 ZAR
View
A
Retailer 9
-
£787 GBP
$1,054 USD
View
B+
Retailer 10
-
£1,150 GBP
$1,540 USD
View
B+
Retailer 11
-
£1,305 GBP
$1,749 USD
View
B+
Retailer 12
-
£1,354 GBP
View
B+
Retailer 13
-
£1,381 GBP
View
Most Expensive
B
Brilliant Earth
17086874A · Oct 29
£3,597 GBP
$4,820 USD
View
13 more retailers have this diamond
Prices start from £353 GBPSave up to £3,244 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
£353 GBP