Heart|Lab Grown|IGI

1.26ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG819633817

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG819633817

Diamond specifications and retailer prices

From £224 GBP
As of November 1, 2026
Save £886 GBP (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,110 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.26ct lab-grown heart diamond

This 1.26ct 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 LG819633817 or 819633817. Listed at 8 retailers as of October 31, 2026, with prices from £224 to £1,110, a £886 spread on the same certified stone. Brilliant Earth lists it at £1,110. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819633817
Dimensions7.29 × 7.07 × 4.25 mm
L/W Ratio1.03
Girdle conditionFaceted
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
7.29 mm7.07 mm1.26 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819633817
Side View
Table 60.0%Crown 37.7°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 58.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,110 GBP|Low: £224 GBP|High: £1,185 GBP|Avg: £550 GBP|-6.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2£224 GBP
Retailer 8£338 GBP
Retailer 5£363 GBP
Retailer 7£379 GBP
Retailer 3£481 GBP
Retailer 6£529 GBP
Retailer 4£789 GBP
Brilliant Earth£1,110 GBP

39 data points across 8 retailers

8 retailers£224 GBP to £1,110 GBP

A
Cheapest Retailer
-
£224 GBP
A
Retailer 2
-
£338 GBP
$453 USD
View
Retailer 3
-
£363 GBP
€464 EUR
View
Price last confirmed 10 days ago
A
Retailer 4
-
£379 GBP
$509 USD
View
B+
Retailer 5
-
£481 GBP
A$993 AUD
View
B+
Retailer 6
-
£529 GBP
$710 USD
View
B+
Retailer 7
-
£789 GBP
View
Most Expensive
B
Brilliant Earth
21002389A · Oct 31
£1,110 GBP
$1,490 USD
View
7 more retailers have this diamond
Prices start from £224 GBPSave up to £886 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
1.26ct Heart
£224 GBP