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Heart|Lab Grown|IGI

1.00ct H VS1 Heart Lab Grown Diamond

ID • H/VS1 • IGI LG512220507

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG512220507

Diamond specifications and retailer prices

From £440 GBP
$590 USD
As of November 2, 2026
Save £2,012 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,452 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512220507 or 512220507. Listed at 12 retailers as of November 1, 2026, with prices from £440 to £2,452, a £2,012 spread on the same certified stone. MOH London lists it at £2,452. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.5°
Pavilion angle43.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512220507
Dimensions7.03 × 5.86 × 4.39 mm
L/W Ratio1.20
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
7.03 mm5.86 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512220507
Side View
Table 60.0%Crown 28.5°Girdle: MED-VTKPavilion 43.3°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,452 GBP|Low: £440 GBP|High: £2,484 GBP|Avg: £1,080 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 9£440 GBP
Retailer 8£538 GBP
Retailer 13£586 GBP
Retailer 3£624 GBP
Retailer 10£624 GBP
Retailer 4£756 GBP
Retailer 5£981 GBP
Retailer 12£1,013 GBP
Retailer 6£1,148 GBP
Retailer 7£1,538 GBP
Retailer 2£1,627 GBP
Retailer 11£1,756 GBP
MOH London£2,452 GBP

23 data points across 13 retailers

12 retailers£440 GBP to £2,452 GBP

B+
Cheapest Retailer
-
£440 GBP
$590 USD
B+
Retailer 2
-
£538 GBP
$722 USD
View
B+
Retailer 3
-
£586 GBP
$786 USD
View
B+
Retailer 4
-
£624 GBP
$838 USD
View
Retailer 5
-
£624 GBP
$838 USD
View
Price last confirmed 16 days ago
B
Retailer 6
-
£756 GBP
$1,015 USD
View
B
Retailer 7
-
£1,013 GBP
$1,359 USD
View
B
Retailer 8
-
£1,148 GBP
ZAR 24,881 ZAR
View
B
Retailer 9
-
£1,538 GBP
$2,064 USD
View
B
Retailer 10
-
£1,627 GBP
A$3,359 AUD
View
B
Retailer 11
-
£1,756 GBP
$2,356 USD
View
Most Expensive
B
MOH London
LG512220507 · Nov 1
£2,452 GBP
View
11 more retailers have this diamond
Prices start from £440 GBPSave up to £2,012 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.

B+
1.00ct Heart
£440 GBP