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Heart|Lab Grown|IGI

1.55ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG760569366

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG760569366

Diamond specifications and retailer prices

From £219 GBP
As of November 2, 2026
Save £1,337 GBP (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,684 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 LG760569366 or 760569366. Listed at 22 retailers as of November 2, 2026, with a 612% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760569366
Dimensions7.19 × 8.16 × 4.51 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.19 mm8.16 mm1.55 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760569366
Side View
Table 67.0%Crown 32.6°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 55.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £475 GBP|Low: £215 GBP|High: £1,556 GBP|Avg: £582 GBP|-2.6%
Retailer 1
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Retailer 21
November 4, 2026
Retailer 2£219 GBP
Retailer 21£244 GBP
Retailer 13£253 GBP
Retailer 14£267 GBP
Retailer 8£271 GBP
Retailer 15£285 GBP
Retailer 12£385 GBP
Retailer 3£444 GBP
Retailer 19£467 GBP
Retailer 1£475 GBP
Retailer 10£520 GBP
Retailer 6£533 GBP
Retailer 16£635 GBP
Retailer 18£706 GBP
Retailer 9£850 GBP
Retailer 11£870 GBP
Retailer 7£906 GBP
Retailer 4£950 GBP
Retailer 20£1,084 GBP
Retailer 5£1,107 GBP
Retailer 17£1,556 GBP

23 data points across 21 retailers

22 retailers£219 GBP to £1,556 GBP

A
Cheapest Retailer
-
£219 GBP
A
Retailer 2
-
£244 GBP
View
Final sale: no returns
A
Retailer 3
-
£253 GBP
View
Retailer 4
-
£267 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
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£271 GBP
View
A
Retailer 6
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£285 GBP
View
A
Retailer 7
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£385 GBP
View
A
Retailer 8
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£444 GBP
View
B+
Retailer 9
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£467 GBP
View
B+
Retailer 10
-
£475 GBP
View
B+
Retailer 11
-
£520 GBP
View
B+
Retailer 12
-
£533 GBP
View
B+
Retailer 13
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£635 GBP
View
B+
Retailer 14
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£706 GBP
View
B+
Retailer 15
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£850 GBP
View
B+
Retailer 16
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£870 GBP
View
B+
Retailer 17
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£906 GBP
View
B+
Retailer 18
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£950 GBP
View
B
Retailer 19
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£1,084 GBP
View
B
Retailer 20
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£1,107 GBP
View
B
Retailer 21
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£1,556 GBP
View
Most Expensive
Queensmith
LG760569366 · Oct 27
£1,684 GBP
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from £219 GBPSave up to £1,337 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
£219 GBP