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Heart|Lab Grown|IGI

1.22ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG792621402

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG792621402

Diamond specifications and retailer prices

From £224 GBP
$301 USD
As of November 2, 2026
Save £1,765 GBP (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,990 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.22ct lab-grown heart diamond

This 1.22ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG792621402 or 792621402. Listed at 9 retailers as of November 2, 2026, with prices from £224 to £1,990, a £1,765 spread on the same certified stone. Do Amore Diamonds lists it at £1,990. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792621402
Dimensions7.32 × 6.56 × 4.23 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
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
7.32 mm6.56 mm1.22 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792621402
Side View
Table 67.0%Crown 41.6°Girdle: MED-STKPavilion 38°Culet: NoneDepth 57.8%

Caratlytics Score

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A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £1,990 GBP|Low: £224 GBP|High: £2,370 GBP|Avg: £907 GBP|-7.6%
Do Amore Diamonds
Retailer 2
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November 2, 2026
Retailer 2£224 GBP
Retailer 6£251 GBP
Retailer 9£260 GBP
Retailer 4£282 GBP
Retailer 14£455 GBP
Retailer 15£477 GBP
Retailer 5£575 GBP
Retailer 8£638 GBP
Retailer 16£702 GBP
Retailer 3£720 GBP
Retailer 12£762 GBP
Retailer 11£986 GBP
Retailer 10£1,229 GBP
Retailer 7£1,418 GBP
Retailer 13£1,870 GBP
Do Amore Diamonds£1,990 GBP

17 data points across 16 retailers

9 retailers£224 GBP to £1,990 GBP

A+
Cheapest Retailer
-
£224 GBP
$301 USD
A
Retailer 2
-
£260 GBP
$349 USD
View
A
Retailer 3
-
£455 GBP
$611 USD
View
B+
Retailer 4
-
£477 GBP
$640 USD
View
B+
Retailer 5
-
£762 GBP
$1,022 USD
View
B+
Retailer 6
-
£986 GBP
$1,323 USD
View
B+
Retailer 7
-
£1,229 GBP
View
B
Retailer 8
-
£1,870 GBP
$2,510 USD
View
Most Expensive
B
Do Amore Diamonds
27-9EF65EEC6 · Nov 2
£1,990 GBP
$2,670 USD
View
8 more retailers have this diamond
Prices start from £224 GBPSave up to £1,765 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+
1.22ct Heart
£224 GBP