Heart|Lab Grown|IGI

1.56ct E VVS1 Heart Lab Grown Diamond

E/VVS1 • IGI LG786682109

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG786682109

Diamond specifications and retailer prices

From £242 GBP
$322 USD
As of October 27, 2026
Save £1,027 GBP (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,268 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.56ct lab-grown heart diamond

This 1.56ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included) and certified by IGI LG786682109 or 786682109. Listed at 24 retailers as of October 27, 2026, with prices from £242 to £1,268, a £1,027 spread on the same certified stone. With Clarity lists it at £1,268. 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

1.56
Carat
E
Colour
VVS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786682109
Dimensions8.10 × 8.10 × 7.08 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.10 mm8.10 mm1.56 ctE / VVS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786682109
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 56.0%

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 27
Current: £535 GBP|Low: £270 GBP|High: £1,243 GBP|Avg: £723 GBP|+3.0%
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
With Clarity
October 30, 2026
Retailer 5£270 GBP
Retailer 2£336 GBP
Retailer 12£404 GBP
Retailer 8£417 GBP
Retailer 7£516 GBP
Retailer 1£535 GBP
Retailer 4£551 GBP
Retailer 6£700 GBP
Retailer 10£880 GBP
Retailer 3£961 GBP
Retailer 11£1,063 GBP
Retailer 13£1,063 GBP
Retailer 9£1,204 GBP
With Clarity£1,243 GBP

42 data points across 14 retailers

24 retailers£242 GBP to £1,268 GBP

A
Cheapest Retailer
-
£242 GBP
$322 USD
A
Retailer 2
-
£270 GBP
$360 USD
View
Final sale: no returns
A
Retailer 3
-
£281 GBP
$374 USD
View
A
Retailer 4
-
£300 GBP
$400 USD
View
A
Retailer 5
-
£300 GBP
$400 USD
View
A
Retailer 6
-
£336 GBP
HK$3,500 HKD
View
A
Retailer 7
-
£404 GBP
$538 USD
View
B+
Retailer 8
-
£417 GBP
$555 USD
View
B+
Retailer 9
-
£512 GBP
$682 USD
View
B+
Retailer 10
-
£516 GBP
ZAR 11,097 ZAR
View
B+
Retailer 11
-
£535 GBP
View
B+
Retailer 12
-
£551 GBP
$734 USD
View
Retailer 13
-
£665 GBP
$886 USD
View
Price last confirmed 22 days ago
B
Retailer 14
-
£700 GBP
A$1,434 AUD
View
B
Retailer 15
-
£880 GBP
$1,172 USD
View
B
Retailer 16
-
£961 GBP
SGD 1,729 SGD
View
B
Retailer 17
-
£965 GBP
$1,285 USD
View
B
Retailer 18
-
£999 GBP
$1,330 USD
View
B
Retailer 19
-
£1,063 GBP
$1,415 USD
View
Retailer 20
-
£1,063 GBP
A$2,178 AUD
View
Price last confirmed 22 days ago
B
Retailer 21
-
£1,153 GBP
$1,536 USD
View
B
Retailer 22
-
£1,190 GBP
$1,584 USD
View
B
Retailer 23
-
£1,204 GBP
View
Most Expensive
B
With Clarity
786682109 · Oct 30
£1,268 GBP
$1,689 USD
View
23 more retailers have this diamond
Prices start from £242 GBPSave up to £1,027 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
1.56ct Heart
£242 GBP