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Heart|Lab Grown|IGI

15.14ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG743506783

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG743506783

Diamond specifications and retailer prices

From £3,353 GBP
As of November 2, 2026
Save £11,609 GBP (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £14,962 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 15.14ct lab-grown heart diamond

This 15.14ct lab-grown heart 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 LG743506783 or 743506783. Listed at 17 retailers as of October 31, 2026, with prices from £3,353 to £14,962, a £11,609 spread on the same certified stone. Taylor and Hart lists it at £14,962. 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

15.14
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743506783
Dimensions16.98 × 15.86 × 9.53 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.98 mm15.86 mm15.14 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743506783
Side View
Table 64.0%Crown 38°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 56.1%

Caratlytics Score

How it works →
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: £5,265 GBP|Low: £3,352 GBP|High: £16,763 GBP|Avg: £6,420 GBP|-20.6%
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
Retailer 16
Taylor and Hart
November 3, 2026
Retailer 10£3,353 GBP
Retailer 15£3,599 GBP
Retailer 4£3,772 GBP
Retailer 5£4,030 GBP
Retailer 7£4,174 GBP
Retailer 13£4,176 GBP
Retailer 2£4,236 GBP
Retailer 8£4,731 GBP
Retailer 6£5,217 GBP
Retailer 1£5,265 GBP
Retailer 14£5,332 GBP
Retailer 9£6,454 GBP
Retailer 12£6,462 GBP
Retailer 11£7,918 GBP
Retailer 16£10,369 GBP
Retailer 3£11,604 GBP
Taylor and Hart£14,962 GBP

39 data points across 17 retailers

17 retailers£3,353 GBP to £14,962 GBP

A
Cheapest Retailer
-
£3,353 GBP
A
Retailer 2
-
£3,599 GBP
$4,826 USD
View
A
Retailer 3
-
£3,772 GBP
$5,058 USD
View
A
Retailer 4
-
£4,030 GBP
$5,404 USD
View
Final sale: no returns
A
Retailer 5
-
£4,174 GBP
$5,598 USD
View
A
Retailer 6
-
£4,176 GBP
$5,600 USD
View
A
Retailer 7
-
£4,236 GBP
$5,681 USD
View
Retailer 8
-
£4,731 GBP
$6,345 USD
View
Price last confirmed 21 days ago
A
Retailer 9
-
£5,217 GBP
$6,996 USD
View
A
Retailer 10
-
£5,265 GBP
View
A
Retailer 11
-
£5,332 GBP
$7,150 USD
View
B+
Retailer 12
-
£6,454 GBP
$8,655 USD
View
B+
Retailer 13
-
£6,462 GBP
ZAR 139,991 ZAR
View
B+
Retailer 14
-
£7,918 GBP
A$16,336 AUD
View
B
Retailer 15
-
£10,369 GBP
$13,905 USD
View
B
Retailer 16
-
£11,604 GBP
$15,562 USD
View
Most Expensive
B
Taylor and Hart
S6WHMKN · Oct 31
£14,962 GBP
$20,065 USD
View
16 more retailers have this diamond
Prices start from £3,353 GBPSave up to £11,609 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
15.14ct Heart
£3,353 GBP