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Heart|Lab Grown|IGI

1.26ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG823652080

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823652080

Diamond specifications and retailer prices

From £193 GBP
$259 USD
As of November 1, 2026
Save £934 GBP (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,319 GBP at Brilliant Earth · As of October 21, 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 LG823652080 or 823652080. Listed at 14 retailers as of November 1, 2026, with a 484% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823652080
Dimensions6.91 × 7.25 × 4.30 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
6.91 mm7.25 mm1.26 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823652080
Side View
Table 59.0%Crown 36°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 59.3%

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 1
Current: £1,319 GBP|Low: £193 GBP|High: £1,371 GBP|Avg: £644 GBP|-3.8%
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 3, 2026
Retailer 12£193 GBP
Retailer 13£289 GBP
Retailer 11£371 GBP
Retailer 9£389 GBP
Retailer 10£405 GBP
Retailer 4£472 GBP
Retailer 6£528 GBP
Retailer 8£690 GBP
Retailer 14£730 GBP
Retailer 2£741 GBP
Retailer 5£826 GBP
Retailer 7£857 GBP
Retailer 3£1,127 GBP
Brilliant Earth£1,319 GBP

25 data points across 14 retailers

14 retailers£193 GBP to £1,127 GBP

A
Cheapest Retailer
-
£193 GBP
$259 USD
Final sale: no returns
A
Retailer 2
-
£289 GBP
$388 USD
View
A
Retailer 3
-
£371 GBP
ZAR 8,042 ZAR
View
B+
Retailer 4
-
£389 GBP
€497 EUR
View
B+
Retailer 5
-
£405 GBP
View
B+
Retailer 6
-
£472 GBP
$633 USD
View
B+
Retailer 7
-
£528 GBP
A$1,091 AUD
View
B
Retailer 8
-
£690 GBP
$926 USD
View
B+
Retailer 9
-
£730 GBP
$979 USD
View
B+
Retailer 10
-
£741 GBP
$995 USD
View
B
Retailer 11
-
£826 GBP
A$1,705 AUD
View
B+
Retailer 12
-
£857 GBP
View
B
Retailer 13
-
£1,127 GBP
SGD 2,043 SGD
View
Most Expensive
Brilliant Earth
20909084A · Oct 21
£1,319 GBP
$1,770 USD
View
Price last confirmed 12 days ago
13 more retailers have this diamond
Prices start from £193 GBPSave up to £934 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
£193 GBP