Heart|Lab Grown|IGI

1.62ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG842604126

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG842604126

Diamond specifications and retailer prices

From £238 GBP
$319 USD
As of October 30, 2026
Save £2,635 GBP (92%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,873 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.62ct lab-grown heart diamond

This 1.62ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG842604126 or 842604126. Listed at 21 retailers as of October 30, 2026, with prices from £238 to £2,873, a £2,635 spread on the same certified stone. Brilliant Earth lists it at £2,873. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.62
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842604126
Dimensions7.07 × 8.02 × 4.83 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.07 mm8.02 mm1.62 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842604126
Side View
Table 60.0%Crown 39.8°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £2,873 GBP|Low: £238 GBP|High: £3,500 GBP|Avg: £789 GBP|-17.9%
Brilliant Earth
Retailer 2
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Retailer 21
November 1, 2026
Retailer 5£238 GBP
Retailer 11£266 GBP
Retailer 18£276 GBP
Retailer 3£296 GBP
Retailer 20£296 GBP
Retailer 4£314 GBP
Retailer 6£410 GBP
Retailer 12£479 GBP
Retailer 9£491 GBP
Retailer 17£507 GBP
Retailer 13£527 GBP
Retailer 16£688 GBP
Retailer 15£731 GBP
Retailer 21£859 GBP
Retailer 8£949 GBP
Retailer 10£983 GBP
Retailer 14£990 GBP
Retailer 19£1,047 GBP
Retailer 2£1,183 GBP
Retailer 7£1,309 GBP
Brilliant Earth£2,873 GBP

17 data points across 21 retailers

21 retailers£238 GBP to £2,873 GBP

A
Cheapest Retailer
-
£238 GBP
$319 USD
A
Retailer 2
-
£266 GBP
$357 USD
View
Final sale: no returns
A
Retailer 3
-
£276 GBP
$370 USD
View
A
Retailer 4
-
£296 GBP
$396 USD
View
A
Retailer 5
-
£296 GBP
$396 USD
View
Price last confirmed 7 days ago
Retailer 6
-
£314 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
£410 GBP
$550 USD
View
A
Retailer 8
-
£479 GBP
$642 USD
View
A
Retailer 9
-
£491 GBP
$658 USD
View
A
Retailer 10
-
£507 GBP
ZAR 10,981 ZAR
View
A
Retailer 11
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£527 GBP
View
A
Retailer 12
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£688 GBP
A$1,419 AUD
View
A
Retailer 13
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£731 GBP
$980 USD
View
A
Retailer 14
-
£859 GBP
$1,151 USD
View
B+
Retailer 15
-
£949 GBP
$1,272 USD
View
B+
Retailer 16
-
£983 GBP
$1,317 USD
View
B+
Retailer 17
-
£990 GBP
SGD 1,792 SGD
View
B+
Retailer 18
-
£1,047 GBP
$1,403 USD
View
B+
Retailer 19
-
£1,183 GBP
View
B+
Retailer 20
-
£1,309 GBP
$1,754 USD
View
Most Expensive
B
Brilliant Earth
22132117A · Oct 31
£2,873 GBP
$3,850 USD
View
20 more retailers have this diamond
Prices start from £238 GBPSave up to £2,635 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
1.62ct Heart
£238 GBP