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Heart|Lab Grown|IGI

1.56ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG776639178

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG776639178

Diamond specifications and retailer prices

From £177 GBP
$236 USD
As of October 27, 2026
Save £1,527 GBP (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,705 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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), with a top-tier cut grade and certified by IGI LG776639178 or 776639178. Listed at 10 retailers as of October 27, 2026, with prices from £177 to £1,705, a £1,527 spread on the same certified stone. Do Amore Diamonds lists it at £1,705. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776639178
Dimensions6.87 × 8.36 × 4.62 mm
L/W Ratio1.22
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.87 mm8.36 mm1.56 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776639178
Side View
Table 55.0%Crown 35.1°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 55.3%

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: £1,705 GBP|Low: £177 GBP|High: £1,772 GBP|Avg: £660 GBP|+0.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 10£177 GBP
Retailer 8£206 GBP
Retailer 3£218 GBP
Retailer 5£258 GBP
Retailer 7£372 GBP
Retailer 4£527 GBP
Retailer 9£565 GBP
Retailer 12£695 GBP
Retailer 11£713 GBP
Retailer 6£781 GBP
Retailer 2£978 GBP
Do Amore Diamonds£1,705 GBP

40 data points across 12 retailers

10 retailers£177 GBP to £1,705 GBP

A
Cheapest Retailer
-
£177 GBP
$236 USD
A
Retailer 2
-
£206 GBP
$274 USD
View
A
Retailer 3
-
£218 GBP
$290 USD
View
Final sale: no returns
A
Retailer 4
-
£258 GBP
View
A
Retailer 5
-
£372 GBP
$495 USD
View
B+
Retailer 6
-
£565 GBP
A$1,157 AUD
View
B+
Retailer 7
-
£713 GBP
$950 USD
View
B+
Retailer 8
-
£781 GBP
$1,040 USD
View
B+
Retailer 9
-
£978 GBP
View
Most Expensive
B
Do Amore Diamonds
27-57E87DE4E · Oct 29
£1,705 GBP
$2,270 USD
View
9 more retailers have this diamond
Prices start from £177 GBPSave up to £1,527 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
£177 GBP