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Heart|Lab Grown|IGI

1.50ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG836620971

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836620971

Diamond specifications and retailer prices

From £222 GBP
$297 USD
As of October 30, 2026
Save £1,816 GBP (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,037 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.5ct lab-grown heart diamond

This 1.5ct 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 LG836620971 or 836620971. Listed at 20 retailers as of October 30, 2026, with prices from £222 to £2,037, a £1,816 spread on the same certified stone. Brilliant Earth lists it at £2,037. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620971
Dimensions6.88 × 7.94 × 4.54 mm
L/W Ratio1.15
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
6.88 mm7.94 mm1.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620971
Side View
Table 61.0%Crown 38.9°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 57.2%

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: Oct 30
Current: £2,037 GBP|Low: £222 GBP|High: £2,336 GBP|Avg: £705 GBP|-12.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 12
Retailer 13
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Retailer 19
Retailer 20
November 1, 2026
Retailer 6£222 GBP
Retailer 8£249 GBP
Retailer 19£257 GBP
Retailer 4£275 GBP
Retailer 11£275 GBP
Retailer 13£292 GBP
Retailer 17£392 GBP
Retailer 9£451 GBP
Retailer 16£473 GBP
Retailer 2£488 GBP
Retailer 15£640 GBP
Retailer 18£711 GBP
Retailer 5£743 GBP
Retailer 12£885 GBP
Retailer 10£916 GBP
Retailer 7£921 GBP
Retailer 20£969 GBP
Retailer 14£1,109 GBP
Retailer 3£1,203 GBP
Brilliant Earth£2,037 GBP

32 data points across 20 retailers

20 retailers£222 GBP to £2,037 GBP

A
Cheapest Retailer
-
£222 GBP
$297 USD
A
Retailer 2
-
£249 GBP
$333 USD
View
Final sale: no returns
A
Retailer 3
-
£257 GBP
$345 USD
View
A
Retailer 4
-
£275 GBP
$369 USD
View
A
Retailer 5
-
£275 GBP
$369 USD
View
A
Retailer 6
-
£292 GBP
View
A
Retailer 7
-
£392 GBP
$525 USD
View
A
Retailer 8
-
£451 GBP
$604 USD
View
A
Retailer 9
-
£473 GBP
ZAR 10,239 ZAR
View
A
Retailer 10
-
£488 GBP
View
A
Retailer 11
-
£640 GBP
A$1,320 AUD
View
A
Retailer 12
-
£711 GBP
$953 USD
View
A
Retailer 13
-
£743 GBP
$996 USD
View
B+
Retailer 14
-
£885 GBP
$1,186 USD
View
B+
Retailer 15
-
£916 GBP
SGD 1,658 SGD
View
B+
Retailer 16
-
£921 GBP
$1,234 USD
View
B+
Retailer 17
-
£969 GBP
$1,299 USD
View
B+
Retailer 18
-
£1,109 GBP
View
B+
Retailer 19
-
£1,203 GBP
$1,612 USD
View
Most Expensive
B
Brilliant Earth
21590037A · Oct 31
£2,037 GBP
$2,730 USD
View
19 more retailers have this diamond
Prices start from £222 GBPSave up to £1,816 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
1.50ct Heart
£222 GBP