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Heart|Lab Grown|IGI

6.51ct E VVS2 Heart Lab Grown Diamond

EX • E/VVS2 • IGI LG819631692

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG819631692

Diamond specifications and retailer prices

From £1,153 GBP
HK$12,000 HKD
As of October 30, 2026
Save £2,450 GBP (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,451 GBP at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 6.51ct lab-grown heart diamond

This 6.51ct 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 LG819631692 or 819631692. Listed at 9 retailers as of October 30, 2026, with a 212% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.51
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819631692
Dimensions11.67 × 12.89 × 7.60 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.67 mm12.89 mm6.51 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819631692
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.0%

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: Oct 30
Current: £4,451 GBP|Low: £1,153 GBP|High: £4,451 GBP|Avg: £2,552 GBP|+3.6%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6£1,153 GBP
Retailer 2£1,414 GBP
Retailer 7£1,551 GBP
Retailer 3£1,571 GBP
Retailer 8£2,336 GBP
Retailer 4£3,152 GBP
Retailer 9£3,413 GBP
Retailer 5£3,603 GBP
Novita Diamonds£4,451 GBP

40 data points across 9 retailers

9 retailers£1,153 GBP to £3,603 GBP

A
Cheapest Retailer
-
£1,153 GBP
HK$12,000 HKD
A
Retailer 2
-
£1,414 GBP
View
A
Retailer 3
-
£1,551 GBP
$2,066 USD
View
A
Retailer 4
-
£1,571 GBP
€1,992 EUR
View
B+
Retailer 5
-
£2,336 GBP
$3,111 USD
View
B+
Retailer 6
-
£3,152 GBP
View
B+
Retailer 7
-
£3,413 GBP
$4,545 USD
View
B
Retailer 8
-
£3,603 GBP
$4,798 USD
View
Most Expensive
Novita Diamonds
cert_819631692 · Oct 8
£4,451 GBP
A$9,119 AUD
View
Price last confirmed 21 days ago
8 more retailers have this diamond
Prices start from £1,153 GBPSave up to £2,450 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
6.51ct Heart
£1,153 GBP