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Heart|Lab Grown|IGI

1.01ct I SI2 Heart Lab Grown Diamond

ID • I/SI2 • IGI LG414082009

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG414082009

Diamond specifications and retailer prices

From £456 GBP
As of November 6, 2026
Save £2,401 GBP (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,857 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.01ct lab-grown heart diamond

This 1.01ct lab-grown heart sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG414082009 or 414082009. Listed at 10 retailers as of November 5, 2026, with prices from £456 to £2,857, a £2,401 spread on the same certified stone. MOH London lists it at £2,857. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.9°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG414082009
Dimensions7.10 × 5.85 × 4.14 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.10 mm5.85 mm1.01 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG414082009
Side View
Table 59.5%Crown 35.9°Girdle: MED-THKPavilion 42.6°Culet: NoneDepth 58.3%

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: Nov 6
Current: £2,857 GBP|Low: £456 GBP|High: £2,902 GBP|Avg: £1,249 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 4£456 GBP
Retailer 6£659 GBP
Retailer 10£716 GBP
Retailer 7£764 GBP
Retailer 11£764 GBP
Retailer 3£1,123 GBP
Retailer 2£1,175 GBP
Retailer 8£1,227 GBP
Retailer 5£1,700 GBP
Retailer 9£2,149 GBP
MOH London£2,857 GBP

31 data points across 11 retailers

10 retailers£456 GBP to £2,857 GBP

A
Cheapest Retailer
-
£456 GBP
B+
Retailer 2
-
£659 GBP
View
B+
Retailer 3
-
£716 GBP
View
B+
Retailer 4
-
£764 GBP
View
Retailer 5
-
£764 GBP
View
Price last confirmed 25 days ago
B+
Retailer 6
-
£1,175 GBP
View
B
Retailer 7
-
£1,227 GBP
View
B
Retailer 8
-
£1,700 GBP
View
B
Retailer 9
-
£2,149 GBP
View
Most Expensive
B
MOH London
LG414082009 · Nov 5
£2,857 GBP
View
9 more retailers have this diamond
Prices start from £456 GBPSave up to £2,401 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
1.01ct Heart
£456 GBP