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Round|Lab Grown|IGI

12.15ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG627413264

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627413264

Diamond specifications and retailer prices

From £2,547 GBP
As of November 1, 2026
Save £17,141 GBP (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £19,688 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.15ct lab-grown round diamond

This 12.15ct lab-grown round 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 LG627413264 or 627413264. Listed at 20 retailers as of October 31, 2026, with prices from £2,547 to £19,688, a £17,141 spread on the same certified stone. Brilliant Earth lists it at £19,688. 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

12.15
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627413264
Dimensions14.63 × 14.76 × 8.99 mm
L/W Ratio1.01
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
14.63 mm14.76 mm12.15 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627413264
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £19,688 GBP|Low: £2,546 GBP|High: £19,688 GBP|Avg: £5,848 GBP
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 2, 2026
Retailer 8£2,547 GBP
Retailer 3£2,734 GBP
Retailer 6£3,061 GBP
Retailer 4£3,171 GBP
Retailer 13£3,172 GBP
Retailer 15£3,942 GBP
Retailer 2£4,127 GBP
Retailer 11£4,908 GBP
Retailer 5£4,915 GBP
Retailer 10£5,090 GBP
Retailer 12£7,392 GBP
Retailer 14£7,604 GBP
Retailer 9£7,935 GBP
Retailer 7£8,804 GBP
Brilliant Earth£19,688 GBP

36 data points across 15 retailers

20 retailers£2,547 GBP to £19,688 GBP

A
Cheapest Retailer
-
£2,547 GBP
Retailer 2
-
£2,734 GBP
$3,663 USD
View
Price last confirmed 12 days ago
Retailer 3
-
£2,974 GBP
$3,985 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
£3,061 GBP
$4,102 USD
View
Final sale: no returns
Retailer 5
-
£3,171 GBP
$4,249 USD
View
Price last confirmed 20 days ago
Retailer 6
-
£3,171 GBP
$4,249 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
£3,172 GBP
$4,250 USD
View
A
Retailer 8
-
£3,376 GBP
$4,524 USD
View
A
Retailer 9
-
£3,942 GBP
$5,282 USD
View
Retailer 10
-
£3,963 GBP
$5,310 USD
View
Price last confirmed 11 days ago
A
Retailer 11
-
£4,127 GBP
View
B+
Retailer 12
-
£4,908 GBP
ZAR 106,247 ZAR
View
B+
Retailer 13
-
£4,915 GBP
$6,586 USD
View
B+
Retailer 14
-
£5,090 GBP
€6,495 EUR
View
B
Retailer 15
-
£7,392 GBP
$9,904 USD
View
B
Retailer 16
-
£7,604 GBP
$10,188 USD
View
B+
Retailer 17
-
£7,935 GBP
A$16,357 AUD
View
B
Retailer 18
-
£8,804 GBP
$11,796 USD
View
B
Retailer 19
-
£11,191 GBP
$14,995 USD
View
Most Expensive
B
Brilliant Earth
20602665A · Oct 31
£19,688 GBP
$26,380 USD
View
19 more retailers have this diamond
Prices start from £2,547 GBPSave up to £17,141 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
12.15ct Round
£2,547 GBP