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Heart|Lab Grown|IGI

6.56ct E VVS2 Heart Lab Grown Diamond

EX • E/VVS2 • IGI LG846659492

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846659492

Diamond specifications and retailer prices

From £990 GBP
$1,327 USD
As of October 29, 2026
Save £515 GBP (34%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,505 GBP at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 6.56ct lab-grown heart diamond

This 6.56ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG846659492 or 846659492. Listed at 2 retailers as of October 29, 2026, with prices from £990 to £1,505, a £515 spread on the same certified stone. 77 Diamonds lists it at £1,505. 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
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846659492
Dimensions11.40 × 12.91 × 7.65 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.40 mm12.91 mm6.56 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846659492
Side View
Table 57.0%Crown 34.6°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 59.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £1,505 GBP|Low: £990 GBP|High: £1,555 GBP|Avg: £1,345 GBP|-2.3%
77 Diamonds
Retailer 2
October 31, 2026
Retailer 2£990 GBP
77 Diamonds£1,505 GBP

11 data points across 2 retailers

2 retailers£990 GBP to £1,505 GBP

A
Cheapest Retailer
-
£990 GBP
$1,327 USD
Final sale: no returns
Most Expensive
A
77 Diamonds
HSTVSGYZRMTT4 · Oct 31
£1,505 GBP
View
1 more retailer has this diamond
Prices start from £990 GBPSave up to £515 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
£990 GBP