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Cushion|Lab Grown|IGI

12.08ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG816684541

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816684541

Diamond specifications and retailer prices

From £5,830 GBP
As of November 2, 2026
Save £10,510 GBP (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £16,340 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.08ct lab-grown cushion diamond

This 12.08ct 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 LG816684541 or 816684541. Listed at 10 retailers as of October 31, 2026, with prices from £5,830 to £16,340, a £10,510 spread on the same certified stone. Taylor and Hart lists it at £16,340. 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

12.08
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle43°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816684541
Dimensions17.67 × 11.05 × 6.68 mm
L/W Ratio1.60
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.67 mm11.05 mm12.08 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816684541
Side View
Table 63.0%Crown 33.7°Girdle: MED-STKPavilion 43°Culet: LargeDepth 60.5%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: £5,830 GBP|Low: £4,597 GBP|High: £16,340 GBP|Avg: £8,926 GBP|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
November 2, 2026
Retailer 1£5,830 GBP
Retailer 4£6,325 GBP
Retailer 8£6,506 GBP
Retailer 6£7,085 GBP
Retailer 3£7,099 GBP
Retailer 9£7,181 GBP
Retailer 5£8,645 GBP
Retailer 2£8,730 GBP
Retailer 7£14,338 GBP
Taylor and Hart£16,340 GBP

40 data points across 10 retailers

10 retailers£5,830 GBP to £16,340 GBP

B+
Cheapest Retailer
-
£5,830 GBP
B
Retailer 2
-
£6,325 GBP
$8,475 USD
View
B
Retailer 3
-
£6,506 GBP
View
B
Retailer 4
-
£7,085 GBP
$9,493 USD
View
B
Retailer 5
-
£7,099 GBP
ZAR 153,676 ZAR
View
B
Retailer 6
-
£7,181 GBP
$9,622 USD
View
B
Retailer 7
-
£8,645 GBP
$11,583 USD
View
B
Retailer 8
-
£8,730 GBP
A$17,996 AUD
View
B
Retailer 9
-
£14,338 GBP
SGD 25,961 SGD
View
Most Expensive
B
Taylor and Hart
XYOFGE3 · Oct 31
£16,340 GBP
$21,893 USD
View
9 more retailers have this diamond
Prices start from £5,830 GBPSave up to £10,510 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+
12.08ct Cushion
£5,830 GBP