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Heart|Lab Grown|IGI

1.29ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG817610958

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817610958

Diamond specifications and retailer prices

From £174 GBP
As of November 4, 2026
Save £690 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £865 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.29ct lab-grown heart diamond

This 1.29ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817610958 or 817610958. Listed at 20 retailers as of November 4, 2026, with prices from £174 to £865, a £690 spread on the same certified stone. MOH London lists it at £865. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817610958
Dimensions7.09 × 7.43 × 4.48 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.09 mm7.43 mm1.29 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817610958
Side View
Table 60.0%Crown 35.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.3%

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: £865 GBP|Low: £174 GBP|High: £893 GBP|Avg: £498 GBP|-3.2%
MOH London
Retailer 2
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November 5, 2026
Retailer 15£174 GBP
Retailer 17£196 GBP
Retailer 4£202 GBP
Retailer 6£217 GBP
Retailer 12£221 GBP
Retailer 14£246 GBP
Retailer 20£293 GBP
Retailer 8£376 GBP
Retailer 5£395 GBP
Retailer 2£404 GBP
Retailer 9£453 GBP
Retailer 10£489 GBP
Retailer 7£532 GBP
Retailer 16£695 GBP
Retailer 3£698 GBP
Retailer 19£698 GBP
Retailer 18£733 GBP
Retailer 13£751 GBP
Retailer 11£847 GBP
MOH London£865 GBP

17 data points across 20 retailers

20 retailers£174 GBP to £865 GBP

A
Cheapest Retailer
-
£174 GBP
A
Retailer 2
-
£196 GBP
View
Final sale: no returns
A
Retailer 3
-
£202 GBP
View
A
Retailer 4
-
£217 GBP
View
Retailer 5
-
£221 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£246 GBP
View
A
Retailer 7
-
£293 GBP
View
A
Retailer 8
-
£376 GBP
View
B+
Retailer 9
-
£395 GBP
View
B+
Retailer 10
-
£404 GBP
View
B+
Retailer 11
-
£453 GBP
View
B+
Retailer 12
-
£489 GBP
View
B+
Retailer 13
-
£532 GBP
View
B+
Retailer 14
-
£695 GBP
View
B
Retailer 15
-
£698 GBP
View
B+
Retailer 16
-
£698 GBP
View
B
Retailer 17
-
£733 GBP
View
B+
Retailer 18
-
£751 GBP
View
B
Retailer 19
-
£847 GBP
View
Most Expensive
B
MOH London
LG817610958 · Nov 5
£865 GBP
View
19 more retailers have this diamond
Prices start from £174 GBPSave up to £690 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
1.29ct Heart
£174 GBP