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Heart|Lab Grown|IGI

1.53ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG799647327

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799647327

Diamond specifications and retailer prices

From £226 GBP
$303 USD
As of October 30, 2026
Save £1,856 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £2,082 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.53ct lab-grown heart diamond

This 1.53ct 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 LG799647327 or 799647327. Listed at 22 retailers as of October 30, 2026, with prices from £226 to £2,082, a £1,856 spread on the same certified stone. Brilliant Earth lists it at £2,082. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799647327
Dimensions8.15 × 7.32 × 4.40 mm
L/W Ratio1.11
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
8.15 mm7.32 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799647327
Side View
Table 58.0%Crown 34.2°Girdle: STK-THKPavilion 36.9°Culet: NoneDepth 54.0%

Caratlytics Score

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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: £2,082 GBP|Low: £226 GBP|High: £2,381 GBP|Avg: £687 GBP|-12.5%
Brilliant Earth
Retailer 2
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Retailer 21
November 2, 2026
Retailer 7£226 GBP
Retailer 9£253 GBP
Retailer 20£262 GBP
Retailer 5£281 GBP
Retailer 12£281 GBP
Retailer 2£296 GBP
Retailer 19£396 GBP
Retailer 10£458 GBP
Retailer 4£474 GBP
Retailer 15£483 GBP
Retailer 13£498 GBP
Retailer 18£653 GBP
Retailer 6£772 GBP
Retailer 16£861 GBP
Retailer 14£901 GBP
Retailer 3£920 GBP
Retailer 11£933 GBP
Retailer 8£936 GBP
Retailer 21£1,028 GBP
Retailer 17£1,129 GBP
Brilliant Earth£2,082 GBP

30 data points across 21 retailers

22 retailers£226 GBP to £2,082 GBP

A
Cheapest Retailer
-
£226 GBP
$303 USD
A
Retailer 2
-
£253 GBP
$339 USD
View
Final sale: no returns
A
Retailer 3
-
£262 GBP
$351 USD
View
A
Retailer 4
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£281 GBP
$376 USD
View
Retailer 5
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£281 GBP
$376 USD
View
Price last confirmed 7 days ago
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Retailer 6
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£296 GBP
View
A
Retailer 7
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£396 GBP
$530 USD
View
A
Retailer 8
-
£458 GBP
$613 USD
View
A
Retailer 9
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£474 GBP
$635 USD
View
A
Retailer 10
-
£483 GBP
ZAR 10,461 ZAR
View
A
Retailer 11
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£498 GBP
View
A
Retailer 12
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£653 GBP
A$1,347 AUD
View
A
Retailer 13
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£772 GBP
$1,034 USD
View
B+
Retailer 14
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£861 GBP
$1,154 USD
View
B+
Retailer 15
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£901 GBP
$1,207 USD
View
B+
Retailer 16
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£920 GBP
$1,233 USD
View
B+
Retailer 17
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£933 GBP
SGD 1,689 SGD
View
B+
Retailer 18
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£936 GBP
$1,254 USD
View
B+
Retailer 19
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£990 GBP
$1,326 USD
View
B+
Retailer 20
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£1,028 GBP
$1,377 USD
View
B+
Retailer 21
-
£1,129 GBP
View
Most Expensive
B
Brilliant Earth
21420892A · Oct 31
£2,082 GBP
$2,790 USD
View
21 more retailers have this diamond
Prices start from £226 GBPSave up to £1,856 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
1.53ct Heart
£226 GBP