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Heart|Lab Grown|IGI

1.55ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG623493214

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG623493214

Diamond specifications and retailer prices

From £197 GBP
As of November 4, 2026
Save £842 GBP (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,013 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.55ct lab-grown heart diamond

This 1.55ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG623493214 or 623493214. Listed at 24 retailers as of November 4, 2026, with a 427% 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

1.55
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623493214
Dimensions7.02 × 8.01 × 4.80 mm
L/W Ratio1.14
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
7.02 mm8.01 mm1.55 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623493214
Side View
Table 64.0%Crown 35.4°Girdle: MED-STKPavilion 42.3°Culet: NoneDepth 59.9%

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: Nov 4
Current: £460 GBP|Low: £191 GBP|High: £1,511 GBP|Avg: £613 GBP|-0.3%
Retailer 1
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Retailer 21
November 5, 2026
Retailer 3£197 GBP
Retailer 6£220 GBP
Retailer 20£228 GBP
Retailer 2£244 GBP
Retailer 7£244 GBP
Retailer 8£330 GBP
Retailer 19£363 GBP
Retailer 18£421 GBP
Retailer 1£460 GBP
Retailer 5£495 GBP
Retailer 21£526 GBP
Retailer 17£571 GBP
Retailer 15£593 GBP
Retailer 16£750 GBP
Retailer 4£785 GBP
Retailer 11£822 GBP
Retailer 10£940 GBP
Retailer 12£975 GBP
Retailer 9£1,039 GBP
Retailer 13£1,244 GBP
Retailer 14£1,511 GBP

41 data points across 21 retailers

24 retailers£197 GBP to £1,039 GBP

A
Cheapest Retailer
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£197 GBP
A
Retailer 2
-
£220 GBP
View
Final sale: no returns
A
Retailer 3
-
£228 GBP
View
A
Retailer 4
-
£244 GBP
View
Retailer 5
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£244 GBP
View
Price last confirmed 11 days ago
B+
Retailer 6
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£330 GBP
View
A
Retailer 7
-
£363 GBP
View
A
Retailer 8
-
£421 GBP
View
B+
Retailer 9
-
£460 GBP
View
B+
Retailer 10
-
£495 GBP
View
B+
Retailer 11
-
£526 GBP
View
B+
Retailer 12
-
£571 GBP
View
B+
Retailer 13
-
£593 GBP
View
B+
Retailer 14
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£626 GBP
View
B
Retailer 15
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£750 GBP
View
B
Retailer 16
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£785 GBP
View
B
Retailer 17
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£791 GBP
View
B
Retailer 18
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£822 GBP
View
Retailer 19
-
£940 GBP
View
Price last confirmed 10 days ago
B+
Retailer 20
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£975 GBP
View
B
Retailer 21
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£1,039 GBP
View
Retailer 22
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£1,244 GBP
View
Price last confirmed 28 days ago
Retailer 23
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£1,511 GBP
View
Price last confirmed 10 days ago
Most Expensive
Queensmith
LG623493214 · Oct 27
£2,013 GBP
View
Price last confirmed 8 days ago
23 more retailers have this diamond
Prices start from £197 GBPSave up to £842 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
1.55ct Heart
£197 GBP