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Cushion|Lab Grown|IGI

12.01ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG754591966

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG754591966

Diamond specifications and retailer prices

From £4,021 GBP
$5,388 USD
As of November 1, 2026
Save £4,131 GBP (51%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £8,153 GBP at Frank Darling · As of October 31, 2026
View at Frank Darling

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG754591966 or 754591966. Listed at 3 retailers as of October 31, 2026, with prices from £4,021 to £8,153, a £4,131 spread on the same certified stone. Frank Darling lists it at £8,153. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754591966
Dimensions17.84 × 12.01 × 7.56 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.84 mm12.01 mm12.01 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754591966
Side View
Table 44.0%Crown 32°Girdle: MED-THKPavilion 35.7°Culet: LargeDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £8,153 GBP|Low: £4,021 GBP|High: £12,026 GBP|Avg: £6,941 GBP|-32.2%
Frank Darling
Retailer 2
Retailer 3
November 1, 2026
Retailer 2£4,021 GBP
Retailer 3£4,123 GBP
Frank Darling£8,153 GBP

9 data points across 3 retailers

3 retailers£4,021 GBP to £8,153 GBP

B+
Cheapest Retailer
-
£4,021 GBP
$5,388 USD
B+
Retailer 2
-
£4,123 GBP
$5,525 USD
View
Most Expensive
B
Frank Darling
882414BD · Oct 31
£8,153 GBP
$10,924 USD
View
2 more retailers have this diamond
Prices start from £4,021 GBPSave up to £4,131 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.

B+
12.01ct Cushion
£4,021 GBP