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Cushion|Lab Grown|IGI

12.01ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG625419520

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG625419520

Diamond specifications and retailer prices

From £1,917 GBP
As of October 30, 2026
Save £11,487 GBP (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £13,404 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 12.01ct lab-grown cushion diamond

This 12.01ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG625419520 or 625419520. Listed at 15 retailers as of October 29, 2026, with prices from £1,917 to £13,404, a £11,487 spread on the same certified stone. Brilliant Earth lists it at £13,404. 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

12.01
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625419520
Dimensions15.28 × 12.33 × 7.66 mm
L/W Ratio1.24
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
15.28 mm12.33 mm12.01 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625419520
Side View
Table 63.0%Crown 37.3°Girdle: MED-THKPavilion 33°Culet: NoneDepth 62.1%

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: Oct 30
Current: £13,404 GBP|Low: £1,910 GBP|High: £13,404 GBP|Avg: £4,257 GBP
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 9£1,917 GBP
Retailer 3£2,296 GBP
Retailer 13£2,379 GBP
Retailer 5£2,708 GBP
Retailer 8£3,052 GBP
Retailer 12£3,117 GBP
Retailer 7£3,214 GBP
Retailer 14£3,703 GBP
Retailer 2£3,773 GBP
Retailer 6£4,106 GBP
Retailer 11£5,977 GBP
Retailer 10£6,309 GBP
Retailer 4£6,636 GBP
Brilliant Earth£13,404 GBP

44 data points across 14 retailers

15 retailers£1,917 GBP to £13,404 GBP

A
Cheapest Retailer
-
£1,917 GBP
A
Retailer 2
-
£2,296 GBP
$3,077 USD
View
Final sale: no returns
Retailer 3
-
£2,379 GBP
$3,188 USD
View
Price last confirmed 19 days ago
A
Retailer 4
-
£2,708 GBP
$3,628 USD
View
A
Retailer 5
-
£3,052 GBP
$4,090 USD
View
A
Retailer 6
-
£3,117 GBP
$4,177 USD
View
A
Retailer 7
-
£3,214 GBP
View
Retailer 8
-
£3,703 GBP
$4,962 USD
View
Price last confirmed 13 days ago
A
Retailer 9
-
£3,773 GBP
€4,815 EUR
View
B+
Retailer 10
-
£4,106 GBP
View
B+
Retailer 11
-
£5,977 GBP
$8,008 USD
View
B
Retailer 12
-
£6,309 GBP
$8,454 USD
View
B
Retailer 13
-
£6,636 GBP
$8,892 USD
View
B
Retailer 14
-
£8,293 GBP
$11,112 USD
View
Most Expensive
B
Brilliant Earth
20602406A · Oct 29
£13,404 GBP
$17,960 USD
View
14 more retailers have this diamond
Prices start from £1,917 GBPSave up to £11,487 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
12.01ct Cushion
£1,917 GBP