Radiant|Lab Grown|IGI

12.63ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG618403861

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

Certificate IGI LG618403861

Diamond specifications and retailer prices

From £2,008 GBP
As of November 2, 2026
Save £13,283 GBP (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £15,291 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.63ct lab-grown radiant diamond

This 12.63ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG618403861 or 618403861. Listed at 20 retailers as of October 31, 2026, with prices from £2,008 to £15,291, a £13,283 spread on the same certified stone. Brilliant Earth lists it at £15,291. 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

12.63
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle29.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618403861
Dimensions11.00 × 11.00 × 7.45 mm
L/W Ratio1.00
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
11.00 mm11.00 mm12.63 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618403861
Side View
Table 68.0%Crown 45.7°Girdle: MED-STKPavilion 29.6°Culet: NoneDepth 67.7%

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: Nov 2
Current: £15,291 GBP|Low: £2,008 GBP|High: £15,291 GBP|Avg: £4,437 GBP
Brilliant Earth
Retailer 2
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Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
November 2, 2026
Retailer 10£2,008 GBP
Retailer 16£2,156 GBP
Retailer 6£2,414 GBP
Retailer 3£2,501 GBP
Retailer 8£2,501 GBP
Retailer 14£2,504 GBP
Retailer 2£3,224 GBP
Retailer 11£3,351 GBP
Retailer 5£3,437 GBP
Retailer 4£3,888 GBP
Retailer 9£3,961 GBP
Retailer 15£5,973 GBP
Retailer 12£6,729 GBP
Retailer 7£6,954 GBP
Retailer 13£7,434 GBP
Brilliant Earth£15,291 GBP

37 data points across 16 retailers

20 retailers£2,008 GBP to £15,291 GBP

A
Cheapest Retailer
-
£2,008 GBP
Retailer 2
-
£2,156 GBP
$2,893 USD
View
Price last confirmed 11 days ago
Retailer 3
-
£2,345 GBP
$3,147 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
£2,414 GBP
$3,240 USD
View
Final sale: no returns
Retailer 5
-
£2,501 GBP
$3,356 USD
View
Price last confirmed 20 days ago
Retailer 6
-
£2,501 GBP
$3,356 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
£2,504 GBP
$3,360 USD
View
A
Retailer 8
-
£2,834 GBP
$3,803 USD
View
A
Retailer 9
-
£3,224 GBP
$4,326 USD
View
B+
Retailer 10
-
£3,351 GBP
View
Retailer 11
-
£3,437 GBP
$4,612 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
£3,888 GBP
$5,217 USD
View
B+
Retailer 13
-
£3,961 GBP
€5,062 EUR
View
B+
Retailer 14
-
£4,316 GBP
View
B
Retailer 15
-
£5,973 GBP
$8,015 USD
View
B
Retailer 16
-
£6,729 GBP
A$13,893 AUD
View
B
Retailer 17
-
£6,954 GBP
$9,331 USD
View
B
Retailer 18
-
£7,434 GBP
$9,976 USD
View
B
Retailer 19
-
£8,712 GBP
$11,690 USD
View
Most Expensive
B
Brilliant Earth
20601945A · Oct 31
£15,291 GBP
$20,520 USD
View
19 more retailers have this diamond
Prices start from £2,008 GBPSave up to £13,283 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
12.63ct Radiant
£2,008 GBP