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Radiant|Lab Grown|IGI

12.56ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG830606169

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG830606169

Diamond specifications and retailer prices

From £2,075 GBP
$2,785 USD
As of November 2, 2026
Save £9,505 GBP (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £11,580 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 12.56ct lab-grown radiant diamond

This 12.56ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830606169 or 830606169. Listed at 14 retailers as of November 2, 2026, with prices from £2,075 to £11,580, a £9,505 spread on the same certified stone. Do Amore Diamonds lists it at £11,580. 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

12.56
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.7°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830606169
Dimensions16.45 × 11.62 × 7.84 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.45 mm11.62 mm12.56 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830606169
Side View
Table 69.0%Crown 26.7°Girdle: MediumPavilion 37.6°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £11,580 GBP|Low: £2,012 GBP|High: £17,743 GBP|Avg: £5,979 GBP|-18.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 10£2,075 GBP
Retailer 5£2,444 GBP
Retailer 2£2,886 GBP
Retailer 9£2,993 GBP
Retailer 8£3,049 GBP
Retailer 7£3,337 GBP
Retailer 6£3,993 GBP
Retailer 3£4,088 GBP
Retailer 13£5,213 GBP
Retailer 11£5,906 GBP
Retailer 12£7,521 GBP
Retailer 4£9,404 GBP
Do Amore Diamonds£11,580 GBP

22 data points across 13 retailers

14 retailers£2,075 GBP to £11,580 GBP

A
Cheapest Retailer
-
£2,075 GBP
$2,785 USD
Retailer 2
-
£2,444 GBP
$3,280 USD
View
Price last confirmed 25 days ago
Retailer 3
-
£2,835 GBP
$3,805 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
£2,886 GBP
View
A
Retailer 5
-
£2,993 GBP
$4,016 USD
View
A
Retailer 6
-
£3,049 GBP
$4,091 USD
View
B+
Retailer 7
-
£3,337 GBP
ZAR 72,333 ZAR
View
B+
Retailer 8
-
£3,993 GBP
A$8,244 AUD
View
B+
Retailer 9
-
£4,088 GBP
View
B+
Retailer 10
-
£5,213 GBP
$6,995 USD
View
B
Retailer 11
-
£5,906 GBP
$7,926 USD
View
B
Retailer 12
-
£7,521 GBP
$10,092 USD
View
B
Retailer 13
-
£9,404 GBP
$12,620 USD
View
Most Expensive
B
Do Amore Diamonds
27-F05DAB451 · Nov 2
£11,580 GBP
$15,540 USD
View
13 more retailers have this diamond
Prices start from £2,075 GBPSave up to £9,505 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
12.56ct Radiant
£2,075 GBP