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Heart|Lab Grown|IGI

1.55ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG846629520

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846629520

Diamond specifications and retailer prices

From £204 GBP
As of November 4, 2026
Save £1,025 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,229 GBP at Novita Diamonds · As of October 30, 2026
View at Novita Diamonds

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 LG846629520 or 846629520. Listed at 21 retailers as of October 30, 2026, with prices from £204 to £1,229, a £1,025 spread on the same certified stone. Novita Diamonds lists it at £1,229. 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 angle35.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846629520
Dimensions7.05 × 8.12 × 4.72 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.05 mm8.12 mm1.55 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846629520
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 58.1%

Caratlytics Score

How it works →
A+
Exceptional
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 4
Current: £1,229 GBP|Low: £204 GBP|High: £1,229 GBP|Avg: £560 GBP
Novita Diamonds
Retailer 2
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Retailer 21
November 5, 2026
Retailer 17£204 GBP
Retailer 19£227 GBP
Retailer 4£236 GBP
Retailer 2£253 GBP
Retailer 14£264 GBP
Retailer 16£266 GBP
Retailer 3£341 GBP
Retailer 8£370 GBP
Retailer 13£437 GBP
Retailer 10£439 GBP
Retailer 11£506 GBP
Retailer 12£528 GBP
Retailer 6£594 GBP
Retailer 21£776 GBP
Retailer 15£787 GBP
Retailer 18£812 GBP
Retailer 7£813 GBP
Retailer 20£849 GBP
Retailer 5£929 GBP
Retailer 9£1,020 GBP
Novita Diamonds£1,229 GBP

12 data points across 21 retailers

21 retailers£204 GBP to £1,229 GBP

A+
Cheapest Retailer
-
£204 GBP
A
Retailer 2
-
£227 GBP
View
Final sale: no returns
A
Retailer 3
-
£236 GBP
View
A
Retailer 4
-
£253 GBP
View
Retailer 5
-
£264 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£266 GBP
View
B+
Retailer 7
-
£341 GBP
View
A
Retailer 8
-
£370 GBP
View
A
Retailer 9
-
£437 GBP
View
A
Retailer 10
-
£439 GBP
View
B+
Retailer 11
-
£506 GBP
View
B+
Retailer 12
-
£528 GBP
View
B+
Retailer 13
-
£594 GBP
View
B+
Retailer 14
-
£776 GBP
View
B+
Retailer 15
-
£787 GBP
View
B+
Retailer 16
-
£812 GBP
View
B+
Retailer 17
-
£813 GBP
View
B+
Retailer 18
-
£849 GBP
View
B+
Retailer 19
-
£929 GBP
View
B
Retailer 20
-
£1,020 GBP
View
Most Expensive
B
Novita Diamonds
cert_846629520 · Oct 30
£1,229 GBP
A$2,552 AUD
View
20 more retailers have this diamond
Prices start from £204 GBPSave up to £1,025 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
£204 GBP