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Cushion|Lab Grown|IGI

2.28ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG668408487

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG668408487

Diamond specifications and retailer prices

From £240 GBP
$321 USD
As of October 31, 2026
Save £1,007 GBP (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,246 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.28ct lab-grown cushion diamond

This 2.28ct lab-grown cushion sits in the two to three carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG668408487 or 668408487. Listed at 15 retailers as of October 29, 2026, with prices from £240 to £1,246, a £1,007 spread on the same certified stone. Brilliant Earth lists it at £1,246. 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

2.28
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668408487
Dimensions8.60 × 6.67 × 4.67 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.60 mm6.67 mm2.28 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG668408487
Side View
Table 59.0%Crown 34.6°Girdle: STK-VTKPavilion 33.1°Culet: NoneDepth 70.0%

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 31
Current: £1,246 GBP|Low: £240 GBP|High: £1,291 GBP|Avg: £660 GBP|-3.5%
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
Retailer 15
October 31, 2026
Retailer 7£240 GBP
Retailer 5£268 GBP
Retailer 8£381 GBP
Retailer 12£436 GBP
Retailer 2£464 GBP
Retailer 15£475 GBP
Retailer 10£482 GBP
Retailer 9£580 GBP
Retailer 4£646 GBP
Retailer 14£888 GBP
Retailer 3£933 GBP
Retailer 11£1,019 GBP
Retailer 13£1,035 GBP
Retailer 6£1,076 GBP
Brilliant Earth£1,246 GBP

45 data points across 15 retailers

15 retailers£240 GBP to £1,246 GBP

A
Cheapest Retailer
-
£240 GBP
$321 USD
Final sale: no returns
A
Retailer 2
-
£268 GBP
$359 USD
View
A
Retailer 3
-
£381 GBP
$510 USD
View
B+
Retailer 4
-
£436 GBP
$584 USD
View
A
Retailer 5
-
£464 GBP
View
A
Retailer 6
-
£475 GBP
€606 EUR
View
A
Retailer 7
-
£482 GBP
$646 USD
View
A
Retailer 8
-
£580 GBP
$777 USD
View
A
Retailer 9
-
£646 GBP
ZAR 13,990 ZAR
View
B+
Retailer 10
-
£888 GBP
$1,190 USD
View
B+
Retailer 11
-
£933 GBP
$1,250 USD
View
B+
Retailer 12
-
£1,019 GBP
$1,365 USD
View
B+
Retailer 13
-
£1,035 GBP
View
B+
Retailer 14
-
£1,076 GBP
View
Most Expensive
B
Brilliant Earth
12666615A · Oct 29
£1,246 GBP
$1,670 USD
View
14 more retailers have this diamond
Prices start from £240 GBPSave up to £1,007 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
2.28ct Cushion
£240 GBP