Cushion|Lab Grown|IGI

12.16ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG597362291

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG597362291

Diamond specifications and retailer prices

From £1,974 GBP
$2,645 USD
As of October 31, 2026
Save £5,840 GBP (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £7,814 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.16ct lab-grown cushion diamond

This 12.16ct 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 LG597362291 or 597362291. Listed at 14 retailers as of October 31, 2026, with prices from £1,974 to £7,814, a £5,840 spread on the same certified stone. Brilliant Earth lists it at £7,814. 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

12.16
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597362291
Dimensions15.85 × 12.20 × 8.18 mm
L/W Ratio1.30
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
15.85 mm12.20 mm12.16 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597362291
Side View
Table 66.0%Crown 30.4°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 67.0%

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: £7,814 GBP|Low: £1,787 GBP|High: £8,053 GBP|Avg: £3,930 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
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 5£1,787 GBP
Retailer 11£1,974 GBP
Retailer 6£2,126 GBP
Retailer 13£2,267 GBP
Retailer 8£2,548 GBP
Retailer 10£2,866 GBP
Retailer 4£2,894 GBP
Retailer 9£3,012 GBP
Retailer 2£3,430 GBP
Retailer 3£3,515 GBP
Retailer 14£4,988 GBP
Retailer 7£5,970 GBP
Retailer 12£6,448 GBP
Retailer 15£6,473 GBP
Brilliant Earth£7,814 GBP

38 data points across 15 retailers

14 retailers£1,974 GBP to £7,814 GBP

A
Cheapest Retailer
-
£1,974 GBP
$2,645 USD
Retailer 2
-
£2,126 GBP
$2,848 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
£2,267 GBP
$3,037 USD
View
A
Retailer 4
-
£2,548 GBP
View
A
Retailer 5
-
£2,866 GBP
ZAR 62,041 ZAR
View
A
Retailer 6
-
£2,894 GBP
$3,877 USD
View
A
Retailer 7
-
£3,012 GBP
€3,844 EUR
View
A
Retailer 8
-
£3,430 GBP
A$7,071 AUD
View
A
Retailer 9
-
£3,515 GBP
View
B+
Retailer 10
-
£4,988 GBP
$6,684 USD
View
Retailer 11
-
£5,970 GBP
$8,000 USD
View
Price last confirmed 22 days ago
B
Retailer 12
-
£6,448 GBP
$8,639 USD
View
B+
Retailer 13
-
£6,473 GBP
$8,673 USD
View
Most Expensive
B
Brilliant Earth
8047516A · Oct 31
£7,814 GBP
$10,470 USD
View
13 more retailers have this diamond
Prices start from £1,974 GBPSave up to £5,840 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
12.16ct Cushion
£1,974 GBP