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Heart|Lab Grown|IGI

1.82ct H SI1 Heart Lab Grown Diamond

ID • H/SI1 • IGI LG780610475

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG780610475

Diamond specifications and retailer prices

From £175 GBP
As of November 6, 2026
Save £692 GBP (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £867 GBP at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.82ct lab-grown heart diamond

This 1.82ct lab-grown heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG780610475 or 780610475. Listed at 14 retailers as of November 3, 2026, with prices from £175 to £867, a £692 spread on the same certified stone. Brilliant Earth lists it at £867. 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

1.82
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780610475
Dimensions7.75 × 7.99 × 4.98 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
7.75 mm7.99 mm1.82 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780610475
Side View
Table 57.0%Crown 35.8°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £867 GBP|Low: £168 GBP|High: £1,464 GBP|Avg: £493 GBP|-40.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 9£175 GBP
Retailer 4£196 GBP
Retailer 13£203 GBP
Retailer 10£217 GBP
Retailer 14£217 GBP
Retailer 2£284 GBP
Retailer 12£367 GBP
Retailer 3£470 GBP
Retailer 5£477 GBP
Retailer 8£580 GBP
Retailer 11£697 GBP
Retailer 6£736 GBP
Retailer 7£866 GBP
Brilliant Earth£867 GBP

42 data points across 14 retailers

14 retailers£175 GBP to £867 GBP

A
Cheapest Retailer
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£175 GBP
A
Retailer 2
-
£196 GBP
View
Final sale: no returns
A
Retailer 3
-
£203 GBP
View
A
Retailer 4
-
£217 GBP
View
Retailer 5
-
£217 GBP
View
Price last confirmed 12 days ago
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Retailer 6
-
£284 GBP
View
B+
Retailer 7
-
£367 GBP
View
A
Retailer 8
-
£470 GBP
View
A
Retailer 9
-
£477 GBP
View
B+
Retailer 10
-
£580 GBP
View
B+
Retailer 11
-
£697 GBP
View
B+
Retailer 12
-
£736 GBP
View
B+
Retailer 13
-
£866 GBP
View
Most Expensive
B+
Brilliant Earth
18015576A · Nov 3
£867 GBP
$1,160 USD
View
13 more retailers have this diamond
Prices start from £175 GBPSave up to £692 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
1.82ct Heart
£175 GBP