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Heart|Lab Grown|IGI

1.26ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG801693875

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG801693875

Diamond specifications and retailer prices

From £233 GBP
$312 USD
As of October 30, 2026
Save £1,834 GBP (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,067 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801693875 or 801693875. Listed at 13 retailers as of October 30, 2026, with prices from £233 to £2,067, a £1,834 spread on the same certified stone. Do Amore Diamonds lists it at £2,067. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801693875
Dimensions7.51 × 6.47 × 4.46 mm
L/W Ratio1.16
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
7.51 mm6.47 mm1.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801693875
Side View
Table 57.0%Crown 35.9°Girdle: Slightly ThickPavilion 39.7°Culet: NoneDepth 59.4%

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: Oct 30
Current: £2,067 GBP|Low: £233 GBP|High: £3,038 GBP|Avg: £1,030 GBP|-31.9%
Do Amore Diamonds
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 1, 2026
Retailer 9£233 GBP
Retailer 14£270 GBP
Retailer 5£382 GBP
Retailer 10£407 GBP
Retailer 3£425 GBP
Retailer 12£471 GBP
Retailer 4£505 GBP
Retailer 8£736 GBP
Retailer 11£848 GBP
Retailer 13£1,025 GBP
Retailer 2£1,246 GBP
Retailer 6£1,886 GBP
Retailer 7£1,933 GBP
Do Amore Diamonds£2,067 GBP

31 data points across 14 retailers

13 retailers£233 GBP to £2,067 GBP

A
Cheapest Retailer
-
£233 GBP
$312 USD
A
Retailer 2
-
£270 GBP
$362 USD
View
A
Retailer 3
-
£382 GBP
$512 USD
View
Final sale: no returns
A
Retailer 4
-
£407 GBP
$545 USD
View
A
Retailer 5
-
£425 GBP
$570 USD
View
A
Retailer 6
-
£471 GBP
$631 USD
View
A
Retailer 7
-
£505 GBP
$676 USD
View
B+
Retailer 8
-
£736 GBP
A$1,518 AUD
View
B+
Retailer 9
-
£848 GBP
$1,136 USD
View
B+
Retailer 10
-
£1,025 GBP
$1,374 USD
View
B+
Retailer 11
-
£1,246 GBP
View
B
Retailer 12
-
£1,933 GBP
$2,590 USD
View
Most Expensive
B
Do Amore Diamonds
27-B790FAA80 · Nov 2
£2,067 GBP
$2,770 USD
View
12 more retailers have this diamond
Prices start from £233 GBPSave up to £1,834 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
£233 GBP