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Heart|Lab Grown|IGI

1.02ct I SI1 Heart Lab Grown Diamond

ID • I/SI1 • IGI LG414063311

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG414063311

Diamond specifications and retailer prices

From £463 GBP
As of November 6, 2026
Save £2,507 GBP (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,970 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.02ct lab-grown heart diamond

This 1.02ct lab-grown heart sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG414063311 or 414063311. Listed at 11 retailers as of November 5, 2026, with prices from £463 to £2,970, a £2,507 spread on the same certified stone. MOH London lists it at £2,970. 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

1.02
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG414063311
Dimensions2.00 × 16.00 × 8.00 mm
L/W Ratio8.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
2.00 mm16.00 mm1.02 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG414063311
Side View
Table 59.0%Crown 33.5°Girdle: STK-VTKPavilion 42.1°Culet: NoneDepth 60.9%

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 6
Current: £2,970 GBP|Low: £463 GBP|High: £3,018 GBP|Avg: £1,441 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 2£463 GBP
Retailer 3£757 GBP
Retailer 6£847 GBP
Retailer 4£878 GBP
Retailer 7£1,009 GBP
Retailer 9£1,261 GBP
Retailer 5£1,402 GBP
Retailer 8£1,835 GBP
Retailer 10£2,514 GBP
MOH London£2,970 GBP

15 data points across 10 retailers

11 retailers£463 GBP to £2,970 GBP

A
Cheapest Retailer
-
£463 GBP
A
Retailer 2
-
£757 GBP
View
B+
Retailer 3
-
£823 GBP
View
B+
Retailer 4
-
£847 GBP
View
Final sale: no returns
Retailer 5
-
£878 GBP
View
Price last confirmed 25 days ago
B+
Retailer 6
-
£878 GBP
View
B+
Retailer 7
-
£1,009 GBP
View
B
Retailer 8
-
£1,402 GBP
View
B
Retailer 9
-
£1,646 GBP
View
B
Retailer 10
-
£1,835 GBP
View
Most Expensive
B
MOH London
LG414063311 · Nov 5
£2,970 GBP
View
10 more retailers have this diamond
Prices start from £463 GBPSave up to £2,507 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
1.02ct Heart
£463 GBP