Heart|Lab Grown|IGI

15.16ct G VS1 Heart Lab Grown Diamond

VG • G/VS1 • IGI LG773648748

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG773648748

Diamond specifications and retailer prices

From £4,910 GBP
As of November 2, 2026
Save £15,918 GBP (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £20,827 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 15.16ct lab-grown heart diamond

This 15.16ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG773648748 or 773648748. Listed at 18 retailers as of October 31, 2026, with prices from £4,910 to £20,827, a £15,918 spread on the same certified stone. Taylor and Hart lists it at £20,827. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

15.16
Carat
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773648748
Dimensions15.93 × 16.85 × 9.86 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.93 mm16.85 mm15.16 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773648748
Side View
Table 65.0%Crown 39.9°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 58.5%

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: £7,446 GBP|Low: £4,908 GBP|High: £17,018 GBP|Avg: £7,536 GBP|-1.0%
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
November 3, 2026
Retailer 10£4,910 GBP
Retailer 2£5,270 GBP
Retailer 14£5,481 GBP
Retailer 7£5,762 GBP
Retailer 5£6,081 GBP
Retailer 4£6,114 GBP
Retailer 16£6,114 GBP
Retailer 8£6,130 GBP
Retailer 3£7,027 GBP
Retailer 15£7,258 GBP
Retailer 1£7,446 GBP
Retailer 13£9,052 GBP
Retailer 12£9,464 GBP
Retailer 9£9,950 GBP
Retailer 11£11,664 GBP
Retailer 6£17,018 GBP

41 data points across 16 retailers

18 retailers£4,910 GBP to £20,827 GBP

A
Cheapest Retailer
-
£4,910 GBP
A
Retailer 2
-
£5,270 GBP
$7,068 USD
View
B+
Retailer 3
-
£5,481 GBP
$7,351 USD
View
B+
Retailer 4
-
£5,762 GBP
$7,727 USD
View
B+
Retailer 5
-
£6,081 GBP
$8,155 USD
View
B+
Retailer 6
-
£6,114 GBP
$8,199 USD
View
Retailer 7
-
£6,114 GBP
$8,199 USD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
£6,130 GBP
$8,221 USD
View
Final sale: no returns
B+
Retailer 9
-
£7,027 GBP
$9,424 USD
View
B
Retailer 10
-
£7,258 GBP
$9,733 USD
View
B+
Retailer 11
-
£7,446 GBP
View
B
Retailer 12
-
£9,052 GBP
$12,140 USD
View
B
Retailer 13
-
£9,464 GBP
ZAR 205,029 ZAR
View
B
Retailer 14
-
£9,950 GBP
€12,708 EUR
View
B
Retailer 15
-
£10,984 GBP
$14,731 USD
View
B
Retailer 16
-
£11,664 GBP
A$24,065 AUD
View
B
Retailer 17
-
£17,018 GBP
$22,822 USD
View
Most Expensive
B
Taylor and Hart
2MJJZKN · Oct 31
£20,827 GBP
$27,931 USD
View
17 more retailers have this diamond
Prices start from £4,910 GBPSave up to £15,918 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
15.16ct Heart
£4,910 GBP