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Heart|Lab Grown|IGI

1.26ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG826664686

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG826664686

Diamond specifications and retailer prices

From £194 GBP
$260 USD
As of November 1, 2026
Save £933 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,319 GBP at Brilliant Earth · As of October 18, 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 LG826664686 or 826664686. Listed at 15 retailers as of November 1, 2026, with a 481% 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

1.26
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826664686
Dimensions7.27 × 6.98 × 4.35 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.27 mm6.98 mm1.26 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826664686
Side View
Table 61.0%Crown 35.4°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 59.8%

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 1
Current: £1,319 GBP|Low: £194 GBP|High: £1,319 GBP|Avg: £596 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 11£194 GBP
Retailer 8£244 GBP
Retailer 12£289 GBP
Retailer 10£371 GBP
Retailer 7£389 GBP
Retailer 9£405 GBP
Retailer 4£472 GBP
Retailer 5£528 GBP
Retailer 2£690 GBP
Retailer 14£730 GBP
Retailer 13£745 GBP
Retailer 6£873 GBP
Retailer 3£1,127 GBP
Brilliant Earth£1,319 GBP

20 data points across 14 retailers

15 retailers£194 GBP to £1,127 GBP

A
Cheapest Retailer
-
£194 GBP
$260 USD
Final sale: no returns
A
Retailer 2
-
£244 GBP
View
A
Retailer 3
-
£289 GBP
$388 USD
View
A
Retailer 4
-
£371 GBP
ZAR 8,042 ZAR
View
B+
Retailer 5
-
£389 GBP
€497 EUR
View
B+
Retailer 6
-
£405 GBP
View
B+
Retailer 7
-
£472 GBP
$633 USD
View
B+
Retailer 8
-
£528 GBP
A$1,091 AUD
View
B
Retailer 9
-
£690 GBP
$926 USD
View
B+
Retailer 10
-
£730 GBP
$979 USD
View
B+
Retailer 11
-
£745 GBP
$1,000 USD
View
Retailer 12
-
£842 GBP
A$1,738 AUD
View
Price last confirmed 25 days ago
B
Retailer 13
-
£873 GBP
View
B
Retailer 14
-
£1,127 GBP
SGD 2,043 SGD
View
Most Expensive
Brilliant Earth
21100862A · Oct 18
£1,319 GBP
$1,770 USD
View
Price last confirmed 15 days ago
14 more retailers have this diamond
Prices start from £194 GBPSave up to £933 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
£194 GBP