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Heart|Lab Grown|IGI

6.56ct F VVS2 Heart Lab Grown Diamond

EX • F/VVS2 • IGI LG723574824

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG723574824

Diamond specifications and retailer prices

From £891 GBP
$1,196 USD
As of November 2, 2026
Save £2,732 GBP (75%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,623 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 6.56ct lab-grown heart diamond

This 6.56ct lab-grown heart sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG723574824 or 723574824. Listed at 18 retailers as of October 31, 2026, with prices from £891 to £3,623, a £2,732 spread on the same certified stone. Taylor and Hart lists it at £3,623. 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

6.56
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG723574824
Dimensions11.85 × 13.17 × 7.19 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.85 mm13.17 mm6.56 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG723574824
Side View
Table 60.0%Crown 33.8°Girdle: STK-VTKPavilion 36.9°Culet: NoneDepth 54.6%

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: £1,488 GBP|Low: £855 GBP|High: £3,367 GBP|Avg: £1,666 GBP|-1.9%
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
November 2, 2026
Retailer 10£891 GBP
Retailer 3£970 GBP
Retailer 5£999 GBP
Retailer 11£1,034 GBP
Retailer 8£1,162 GBP
Retailer 4£1,380 GBP
Retailer 1£1,488 GBP
Retailer 13£1,641 GBP
Retailer 7£1,916 GBP
Retailer 2£1,938 GBP
Retailer 9£2,001 GBP
Retailer 12£2,968 GBP
Retailer 6£3,323 GBP

45 data points across 13 retailers

18 retailers£891 GBP to £3,623 GBP

A
Cheapest Retailer
-
£891 GBP
$1,196 USD
A
Retailer 2
-
£970 GBP
$1,302 USD
View
A
Retailer 3
-
£999 GBP
$1,340 USD
View
Final sale: no returns
A
Retailer 4
-
£1,034 GBP
$1,388 USD
View
Retailer 5
-
£1,034 GBP
$1,388 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
£1,162 GBP
$1,560 USD
View
A
Retailer 7
-
£1,380 GBP
$1,852 USD
View
A
Retailer 8
-
£1,488 GBP
View
A
Retailer 9
-
£1,641 GBP
$2,202 USD
View
B+
Retailer 10
-
£1,916 GBP
A$3,956 AUD
View
B+
Retailer 11
-
£1,938 GBP
$2,601 USD
View
B+
Retailer 12
-
£1,981 GBP
$2,659 USD
View
B+
Retailer 13
-
£2,001 GBP
ZAR 43,381 ZAR
View
B+
Retailer 14
-
£2,350 GBP
$3,153 USD
View
B
Retailer 15
-
£2,968 GBP
$3,983 USD
View
B
Retailer 16
-
£3,107 GBP
$4,170 USD
View
B
Retailer 17
-
£3,323 GBP
View
Most Expensive
B
Taylor and Hart
5WJANDH · Oct 31
£3,623 GBP
$4,862 USD
View
17 more retailers have this diamond
Prices start from £891 GBPSave up to £2,732 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
6.56ct Heart
£891 GBP