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Heart|Lab Grown|IGI

1.50ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG798603784

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG798603784

Diamond specifications and retailer prices

From £180 GBP
As of November 6, 2026
Save £1,120 GBP (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,945 GBP at Queensmith · As of October 27, 2026
View at Queensmith

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG798603784 or 798603784. Listed at 23 retailers as of November 6, 2026, with a 622% 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

1.50
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG798603784
Dimensions6.83 × 7.91 × 4.67 mm
L/W Ratio1.16
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
6.83 mm7.91 mm1.50 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG798603784
Side View
Table 62.0%Crown 32.4°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 59.0%

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 6
Current: £247 GBP|Low: £173 GBP|High: £1,337 GBP|Avg: £545 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 3£180 GBP
Retailer 5£223 GBP
Retailer 1£247 GBP
Retailer 11£385 GBP
Retailer 6£417 GBP
Retailer 13£445 GBP
Retailer 9£521 GBP
Retailer 8£534 GBP
Retailer 10£566 GBP
Retailer 2£719 GBP
Retailer 4£790 GBP
Retailer 7£891 GBP
Retailer 12£1,300 GBP

36 data points across 13 retailers

23 retailers£180 GBP to £1,300 GBP

A
Cheapest Retailer
-
£180 GBP
A
Retailer 2
-
£201 GBP
View
Final sale: no returns
A
Retailer 3
-
£208 GBP
View
A
Retailer 4
-
£223 GBP
View
Retailer 5
-
£223 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£247 GBP
View
B+
Retailer 7
-
£300 GBP
View
A
Retailer 8
-
£385 GBP
View
B+
Retailer 9
-
£388 GBP
View
B+
Retailer 10
-
£417 GBP
View
B+
Retailer 11
-
£445 GBP
View
B+
Retailer 12
-
£466 GBP
View
B+
Retailer 13
-
£521 GBP
View
B+
Retailer 14
-
£534 GBP
View
B+
Retailer 15
-
£566 GBP
View
B
Retailer 16
-
£717 GBP
View
B
Retailer 17
-
£719 GBP
View
B
Retailer 18
-
£755 GBP
View
Retailer 19
-
£790 GBP
View
Price last confirmed 32 days ago
B
Retailer 20
-
£891 GBP
View
B
Retailer 21
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£988 GBP
View
B
Retailer 22
-
£1,300 GBP
View
Most Expensive
Queensmith
LG798603784 · Oct 27
£1,945 GBP
View
Price last confirmed 10 days ago
22 more retailers have this diamond
Prices start from £180 GBPSave up to £1,120 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
£180 GBP