CaratHunter
Plans
Heart|Lab Grown|IGI

1.56ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG539234577

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG539234577

Diamond specifications and retailer prices

From £195 GBP
As of November 4, 2026
Save £725 GBP (79%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £920 GBP at Michael Trio · As of November 4, 2026
View at Michael Trio

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG539234577 or 539234577. Listed at 4 retailers as of November 4, 2026, with prices from £195 to £920, a £725 spread on the same certified stone. Michael Trio lists it at £920. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539234577
Dimensions7.13 × 8.17 × 4.80 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.13 mm8.17 mm1.56 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539234577
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 58.8%

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: Nov 4
Current: £920 GBP|Low: £140 GBP|High: £1,060 GBP|Avg: £522 GBP|-13.2%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
September 24, 2026
Retailer 2£195 GBP
Retailer 3£302 GBP
Retailer 4£314 GBP
Retailer 5£357 GBP
Retailer 6£539 GBP
Michael Trio£920 GBP

20 data points across 6 retailers

4 retailers£195 GBP to £920 GBP

A
Cheapest Retailer
-
£195 GBP
Final sale: no returns
A
Retailer 2
-
£302 GBP
View
A
Retailer 3
-
£314 GBP
View
Most Expensive
B
Michael Trio
1853230186 · Nov 4
£920 GBP
SGD 1,674 SGD
View
3 more retailers have this diamond
Prices start from £195 GBPSave up to £725 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
£195 GBP