Heart|Lab Grown|IGI

11.87ct F VS2 Heart Lab Grown Diamond

EX • F/VS2 • IGI LG627455801

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG627455801

Diamond specifications and retailer prices

From £2,485 GBP
As of November 2, 2026
Save £8,418 GBP (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £10,903 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 11.87ct lab-grown heart diamond

This 11.87ct lab-grown heart 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 LG627455801 or 627455801. Listed at 18 retailers as of October 31, 2026, with prices from £2,485 to £10,903, a £8,418 spread on the same certified stone. Taylor and Hart lists it at £10,903. 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

11.87
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627455801
Dimensions13.87 × 15.32 × 9.44 mm
L/W Ratio1.10
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
13.87 mm15.32 mm11.87 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627455801
Side View
Table 62.0%Crown 41.4°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 61.6%

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: £4,101 GBP|Low: £2,484 GBP|High: £8,589 GBP|Avg: £4,515 GBP|-3.1%
Retailer 1
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 3, 2026
Retailer 10£2,485 GBP
Retailer 14£2,668 GBP
Retailer 6£2,987 GBP
Retailer 5£3,094 GBP
Retailer 15£3,094 GBP
Retailer 3£3,208 GBP
Retailer 4£3,867 GBP
Retailer 8£3,881 GBP
Retailer 1£4,101 GBP
Retailer 2£4,798 GBP
Retailer 9£4,964 GBP
Retailer 12£6,830 GBP
Retailer 11£6,985 GBP
Retailer 13£7,418 GBP
Retailer 7£8,589 GBP

38 data points across 15 retailers

18 retailers£2,485 GBP to £10,903 GBP

A
Cheapest Retailer
-
£2,485 GBP
Retailer 2
-
£2,668 GBP
$3,580 USD
View
Price last confirmed 12 days ago
Retailer 3
-
£2,903 GBP
$3,895 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
£2,987 GBP
$4,008 USD
View
Final sale: no returns
Retailer 5
-
£3,094 GBP
$4,152 USD
View
Price last confirmed 12 days ago
Retailer 6
-
£3,094 GBP
$4,152 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
£3,208 GBP
$4,305 USD
View
A
Retailer 8
-
£3,299 GBP
$4,427 USD
View
Retailer 9
-
£3,867 GBP
$5,189 USD
View
Price last confirmed 12 days ago
A
Retailer 10
-
£3,881 GBP
$5,208 USD
View
A
Retailer 11
-
£4,101 GBP
View
B+
Retailer 12
-
£4,798 GBP
$6,439 USD
View
B+
Retailer 13
-
£4,964 GBP
€6,344 EUR
View
B
Retailer 14
-
£6,830 GBP
$9,165 USD
View
B+
Retailer 15
-
£6,985 GBP
A$14,421 AUD
View
B
Retailer 16
-
£7,418 GBP
$9,954 USD
View
B
Retailer 17
-
£8,589 GBP
$11,525 USD
View
Most Expensive
B
Taylor and Hart
4WBMS5G · Oct 31
£10,903 GBP
$14,631 USD
View
17 more retailers have this diamond
Prices start from £2,485 GBPSave up to £8,418 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
11.87ct Heart
£2,485 GBP