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Heart|Lab Grown|IGI

0.91ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG828638472

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828638472

Diamond specifications and retailer prices

From £217 GBP
As of November 2, 2026
Save £380 GBP (64%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £597 GBP at MOH London · As of November 1, 2026
View at MOH London

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 LG828638472 or 828638472. Listed at 6 retailers as of November 1, 2026, with prices from £217 to £597, a £380 spread on the same certified stone. MOH London lists it at £597. 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
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828638472
Dimensions6.41 × 6.20 × 3.92 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.41 mm6.20 mm0.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG828638472
Side View
Table 60.0%Crown 34.4°Girdle: STK-VTKPavilion 39.8°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £597 GBP|Low: £208 GBP|High: £604 GBP|Avg: £332 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2£217 GBP
Retailer 6£228 GBP
Retailer 4£238 GBP
Retailer 3£263 GBP
Retailer 5£452 GBP
MOH London£597 GBP

42 data points across 6 retailers

6 retailers£217 GBP to £597 GBP

A
Cheapest Retailer
-
£217 GBP
B+
Retailer 2
-
£228 GBP
$306 USD
View
B+
Retailer 3
-
£238 GBP
$319 USD
View
B+
Retailer 4
-
£263 GBP
View
B
Retailer 5
-
£452 GBP
$606 USD
View
Most Expensive
B
MOH London
LG828638472 · Nov 1
£597 GBP
View
5 more retailers have this diamond
Prices start from £217 GBPSave up to £380 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
0.91ct Heart
£217 GBP