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Heart|Lab Grown|IGI

1.62ct F IF Heart Lab Grown Diamond

ID • F/IF • IGI LG836614231

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836614231

Diamond specifications and retailer prices

From £230 GBP
$309 USD
As of November 2, 2026
Save £1,372 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,602 GBP at Brilliant Earth · As of November 2, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836614231 or 836614231. Listed at 21 retailers as of November 2, 2026, with prices from £230 to £1,602, a £1,372 spread on the same certified stone. Brilliant Earth lists it at £1,602. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.62
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614231
Dimensions7.42 × 8.06 × 4.67 mm
L/W Ratio1.09
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
7.42 mm8.06 mm1.62 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614231
Side View
Table 60.0%Crown 35.7°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 57.9%

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 2
Current: £1,602 GBP|Low: £230 GBP|High: £2,392 GBP|Avg: £710 GBP|-33.0%
Brilliant Earth
Retailer 2
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November 2, 2026
Retailer 7£230 GBP
Retailer 9£258 GBP
Retailer 21£268 GBP
Retailer 12£285 GBP
Retailer 14£285 GBP
Retailer 20£296 GBP
Retailer 4£432 GBP
Retailer 10£465 GBP
Retailer 18£481 GBP
Retailer 5£481 GBP
Retailer 16£493 GBP
Retailer 13£509 GBP
Retailer 19£666 GBP
Retailer 2£713 GBP
Retailer 6£851 GBP
Retailer 15£919 GBP
Retailer 11£949 GBP
Retailer 8£953 GBP
Retailer 22£1,011 GBP
Retailer 17£1,145 GBP
Retailer 3£1,255 GBP
Brilliant Earth£1,602 GBP

26 data points across 22 retailers

21 retailers£230 GBP to £1,602 GBP

A
Cheapest Retailer
-
£230 GBP
$309 USD
A
Retailer 2
-
£258 GBP
$346 USD
View
Final sale: no returns
A
Retailer 3
-
£268 GBP
$359 USD
View
A
Retailer 4
-
£285 GBP
$383 USD
View
Retailer 5
-
£285 GBP
$383 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£432 GBP
$580 USD
View
A
Retailer 7
-
£465 GBP
$624 USD
View
A
Retailer 8
-
£481 GBP
€615 EUR
View
A
Retailer 9
-
£481 GBP
$646 USD
View
A
Retailer 10
-
£493 GBP
ZAR 10,682 ZAR
View
A
Retailer 11
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£509 GBP
View
A
Retailer 12
-
£666 GBP
A$1,375 AUD
View
A
Retailer 13
-
£713 GBP
$957 USD
View
B+
Retailer 14
-
£851 GBP
$1,142 USD
View
B+
Retailer 15
-
£919 GBP
$1,233 USD
View
B+
Retailer 16
-
£949 GBP
SGD 1,721 SGD
View
B+
Retailer 17
-
£953 GBP
$1,279 USD
View
B+
Retailer 18
-
£1,011 GBP
$1,357 USD
View
B+
Retailer 19
-
£1,145 GBP
View
B+
Retailer 20
-
£1,255 GBP
$1,684 USD
View
Most Expensive
B
Brilliant Earth
21729062A · Nov 2
£1,602 GBP
$2,150 USD
View
20 more retailers have this diamond
Prices start from £230 GBPSave up to £1,372 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
£230 GBP