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Heart|Lab Grown|IGI

1.53ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG630464484

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG630464484

Diamond specifications and retailer prices

From £349 GBP
$468 USD
As of October 30, 2026
Save £1,270 GBP (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,470 GBP at Brilliant Earth · As of October 8, 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 LG630464484 or 630464484. Listed at 18 retailers as of October 30, 2026, with a 363% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.1°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630464484
Dimensions6.85 × 8.14 × 4.78 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
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
6.85 mm8.14 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630464484
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 42.2°Culet: NoneDepth 58.7%

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: £2,470 GBP|Low: £335 GBP|High: £2,545 GBP|Avg: £952 GBP|-2.9%
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
Retailer 15
November 1, 2026
Retailer 14£349 GBP
Retailer 5£391 GBP
Retailer 6£391 GBP
Retailer 15£433 GBP
Retailer 11£537 GBP
Retailer 13£581 GBP
Retailer 8£718 GBP
Retailer 10£744 GBP
Retailer 7£814 GBP
Retailer 12£973 GBP
Retailer 9£1,008 GBP
Retailer 4£1,391 GBP
Retailer 2£1,590 GBP
Retailer 3£1,619 GBP
Brilliant Earth£2,470 GBP

44 data points across 15 retailers

18 retailers£349 GBP to £1,619 GBP

A
Cheapest Retailer
-
£349 GBP
$468 USD
A
Retailer 2
-
£391 GBP
$524 USD
View
Final sale: no returns
A
Retailer 3
-
£391 GBP
$524 USD
View
A
Retailer 4
-
£433 GBP
$580 USD
View
Retailer 5
-
£433 GBP
$580 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
£537 GBP
$720 USD
View
A
Retailer 7
-
£581 GBP
$778 USD
View
A
Retailer 8
-
£718 GBP
View
A
Retailer 9
-
£744 GBP
ZAR 16,099 ZAR
View
A
Retailer 10
-
£814 GBP
$1,091 USD
View
B+
Retailer 11
-
£973 GBP
$1,304 USD
View
B+
Retailer 12
-
£1,008 GBP
A$2,077 AUD
View
B+
Retailer 13
-
£1,391 GBP
$1,864 USD
View
B+
Retailer 14
-
£1,414 GBP
$1,894 USD
View
B
Retailer 15
-
£1,528 GBP
$2,048 USD
View
B+
Retailer 16
-
£1,590 GBP
View
B
Retailer 17
-
£1,619 GBP
$2,169 USD
View
Most Expensive
Brilliant Earth
21385625A · Oct 8
£2,470 GBP
$3,310 USD
View
Price last confirmed 24 days ago
17 more retailers have this diamond
Prices start from £349 GBPSave up to £1,270 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
£349 GBP