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Cushion|Lab Grown|IGI

3.00ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG526268918

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG526268918

Diamond specifications and retailer prices

From £460 GBP
$616 USD
As of October 30, 2026
Save £1,943 GBP (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,403 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3ct lab-grown cushion diamond

This 3ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG526268918 or 526268918. Listed at 13 retailers as of October 30, 2026, with prices from £460 to £2,403, a £1,943 spread on the same certified stone. Brilliant Earth lists it at £2,403. 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

3.00
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526268918
Dimensions8.24 × 8.01 × 5.48 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.24 mm8.01 mm3.00 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526268918
Side View
Table 61.5%Crown 37.3°Girdle: THK-VTKPavilion 38.7°Culet: NoneDepth 68.4%

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 30
Current: £2,403 GBP|Low: £444 GBP|High: £2,478 GBP|Avg: £1,208 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 12£460 GBP
Retailer 7£510 GBP
Retailer 6£590 GBP
Retailer 11£716 GBP
Retailer 9£780 GBP
Retailer 8£787 GBP
Retailer 2£795 GBP
Retailer 10£1,490 GBP
Retailer 4£1,654 GBP
Retailer 3£1,727 GBP
Retailer 5£2,226 GBP
Brilliant Earth£2,403 GBP

42 data points across 12 retailers

13 retailers£460 GBP to £2,403 GBP

A
Cheapest Retailer
-
£460 GBP
$616 USD
Final sale: no returns
Retailer 2
-
£510 GBP
$683 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£590 GBP
$790 USD
View
A
Retailer 4
-
£716 GBP
$959 USD
View
A
Retailer 5
-
£780 GBP
$1,045 USD
View
A
Retailer 6
-
£787 GBP
$1,055 USD
View
A
Retailer 7
-
£795 GBP
View
B
Retailer 8
-
£1,490 GBP
View
B+
Retailer 9
-
£1,654 GBP
$2,217 USD
View
B
Retailer 10
-
£1,727 GBP
$2,314 USD
View
B
Retailer 11
-
£1,739 GBP
HK$18,200 HKD
View
B
Retailer 12
-
£2,226 GBP
View
Most Expensive
B
Brilliant Earth
17972498A · Oct 31
£2,403 GBP
$3,220 USD
View
12 more retailers have this diamond
Prices start from £460 GBPSave up to £1,943 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
3.00ct Cushion
£460 GBP