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Heart|Lab Grown|IGI

1.51ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG632448476

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG632448476

Diamond specifications and retailer prices

From £215 GBP
$288 USD
As of October 30, 2026
Save £1,696 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,911 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown heart diamond

This 1.51ct 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 LG632448476 or 632448476. Listed at 18 retailers as of October 30, 2026, with prices from £215 to £1,911, a £1,696 spread on the same certified stone. Do Amore Diamonds lists it at £1,911. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632448476
Dimensions8.01 × 7.15 × 4.68 mm
L/W Ratio1.12
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
8.01 mm7.15 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632448476
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 58.4%

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: £1,911 GBP|Low: £207 GBP|High: £1,911 GBP|Avg: £631 GBP
Do Amore Diamonds
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 2, 2026
Retailer 13£215 GBP
Retailer 6£240 GBP
Retailer 3£249 GBP
Retailer 4£266 GBP
Retailer 14£266 GBP
Retailer 11£384 GBP
Retailer 2£508 GBP
Retailer 5£517 GBP
Retailer 8£525 GBP
Retailer 7£605 GBP
Retailer 10£686 GBP
Retailer 12£819 GBP
Retailer 15£946 GBP
Retailer 9£1,186 GBP
Do Amore Diamonds£1,911 GBP

44 data points across 15 retailers

18 retailers£215 GBP to £1,911 GBP

A
Cheapest Retailer
-
£215 GBP
$288 USD
A
Retailer 2
-
£240 GBP
$322 USD
View
Final sale: no returns
A
Retailer 3
-
£249 GBP
$334 USD
View
A
Retailer 4
-
£266 GBP
$357 USD
View
Retailer 5
-
£266 GBP
$357 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£356 GBP
$477 USD
View
A
Retailer 7
-
£384 GBP
$515 USD
View
A
Retailer 8
-
£508 GBP
ZAR 10,987 ZAR
View
A
Retailer 9
-
£517 GBP
$693 USD
View
A
Retailer 10
-
£525 GBP
View
A
Retailer 11
-
£605 GBP
$811 USD
View
A
Retailer 12
-
£686 GBP
A$1,414 AUD
View
B+
Retailer 13
-
£819 GBP
$1,098 USD
View
B+
Retailer 14
-
£946 GBP
$1,268 USD
View
B+
Retailer 15
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£1,067 GBP
$1,430 USD
View
B+
Retailer 16
-
£1,098 GBP
$1,471 USD
View
B+
Retailer 17
-
£1,186 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4403688BA · Oct 31
£1,911 GBP
$2,560 USD
View
17 more retailers have this diamond
Prices start from £215 GBPSave up to £1,696 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
1.51ct Heart
£215 GBP