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Heart|Lab Grown|IGI

0.91ct F VS1 Heart Lab Grown Diamond

EX • F/VS1 • IGI LG712546958

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG712546958

Diamond specifications and retailer prices

From £158 GBP
$212 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: £158 GBP at Loose Grown Diamond
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Loose Grown Diamond

About this 0.91ct lab-grown heart diamond

This 0.91ct lab-grown heart sits in the just-under-one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG712546958 or 712546958. Listed at a single retailer as of November 1, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.91
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle26.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712546958
Dimensions6.54 × 6.71 × 3.55 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.54 mm6.71 mm0.91 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG712546958
Side View
Table 56.0%Crown 26.5°Girdle: THK-VTKPavilion 38.4°Culet: NoneDepth 52.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £158 GBP|Low: £158 GBP|High: £554 GBP|Avg: £346 GBP|-6.2%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 25, 2026
Loose Grown Diamond£158 GBP
Retailer 2£235 GBP
Retailer 5£290 GBP
Retailer 3£354 GBP
Retailer 6£477 GBP
Retailer 4£554 GBP

2 data points across 6 retailers

1 retailer

B+
Loose Grown Diamond
712546958 · Nov 1
£158 GBP
$212 USD
View

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B+
0.91ct Heart
£158 GBP